Mm[-1]
                                    Mm[-1]
                                    Mm[-1]
                                    Mm[-1]
                                    Mm[-1]
                                    Mm[-1]
                                    Mm[-1]

                                     2007
                                Annual Average
                                     0.02
                                     15.66
                                     15.68
                                     0.14
                                     0.015
                                     0.001
                                      --
                                     0.00
                                      --
                                     0.00
                                      --
                                     4.50
                                     4.49
                                     0.01
                                     2007
                               98[th] percentile
                                     0.18
                                     15.63
                                     15.81
                                     1.16
                                     0.14
                                     0.00
                                      --
                                     0.00
                                      --
                                     0.04
                                      --
                                     4.58
                                     4.46
                                     0.12
                                   2007 (50)
                                Worst 20% Days
                                     0.10
                                     15.68
                                     15.78
                                     0.63
                                     0.07
                                     0.01
                                      --
                                     0.00
                                      --
                                     0.02
                                      --
                                     4.56
                                     4.50
                                     0.06
                                     2008
                                Annual Average
                                     0.01
                                     15.66
                                     15.67
                                     0.05
                                     0.01
                                     0.00
                                      --
                                     0.00
                                      --
                                     0.00
                                      --
                                     4.49
                                     4.49
                                     0.01
                                     2008
                               98[th] percentile
                                     0.10
                                     15.85
                                     15.95
                                     0.64
                                     0.06
                                     0.04
                                      --
                                     0.00
                                      --
                                     0.01
                                      --
                                     4.67
                                     4.61
                                     0.06
                                   2008 (73)
                                Worst 20% Days
                                     0.04
                                     15.70
                                     15.74
                                     0.26
                                     0.03
                                     0.00
                                      --
                                     0.00
                                      --
                                     0.01
                                      --
                                     4.54
                                     4.51
                                     0.03
                                     2009
                                Annual Average
                                     0.01
                                     15.66
                                     15.67
                                     0.07
                                     0.01
                                     0.001
                                      --
                                     0.00
                                      --
                                     0.00
                                      --
                                     4.49
                                     4.49
                                     0.01
                                     2009
                               98[th] percentile
                                     0.14
                                     15.85
                                     15.99
                                     0.86
                                     0.09
                                     0.00
                                      --
                                     0.00
                                      --
                                     0.03
                                      --
                                     4.69
                                     4.61
                                     0.09
                                   2009 (73)
                                Worst 20% Days
                                     0.06
                                     15.92
                                     15.98
                                     0.37
                                     0.04
                                     0.00
                                      --
                                     0.00
                                      --
                                     0.01
                                      --
                                     4.61
                                     4.57
                                     0.04
                                     2010
                                Annual Average
                                     0.03
                                     15.66
                                     15.69
                                     0.18
                                     0.02
                                     0.00
                                      --
                                     0.00
                                      --
                                     0.01
                                      --
                                     4.50
                                     4.49
                                     0.02
                                     2010
                               98[th] percentile
                                     0.21
                                     15.76
                                     15.96
                                     1.32
                                     0.17
                                     0.00
                                      --
                                     0.00
                                      --
                                     0.03
                                      --
                                     4.68
                                     4.55
                                     0.13
                                   2010 (73)
                                Worst 20% Days
                                     0.13
                                     15.65
                                     15.78
                                     0.83
                                     0.09
                                     0.01
                                      --
                                     0.00
                                      --
                                     0.03
                                      --
                                     4.56
                                     4.48
                                     0.08

Table 22.  IMPROVE Site  -  Group 6d  -  St. Croix, WAPA (BART + nonBART) Sources
                                    IMPROVE
                                 BEXT (Source)
                                  BEXT (BKG)
                                 BEXT (Total)
                                Percent CHANGE
                                   BEXT SO4
                                   BEXT NO3
                                    BEXT OC
                                    BEXT EC
                                   BEXT PMC
                                   BEXT PMF
                                   BEXT NO2
                                      dv
                                    (total)
                                      dv
                                     (bkg)
                                     ∆dv

                                    Mm[-1]
                                    Mm[-1]
                                    Mm[-1]
                                       %
                                    Mm[-1]
                                    Mm[-1]
                                    Mm[-1]
                                    Mm[-1]
                                    Mm[-1]
                                    Mm[-1]
                                    Mm[-1]

                                     2007
                                Annual Average
                                     0.08
                                     15.66
                                     15.74
                                     0.48
                                     0.05
                                     0.01
                                      --
                                     0.00
                                      --
                                     0.01
                                      --
                                     4.53
                                     4.49
                                     0.05
                                     2007
                               98[th] percentile
                                     0.77
                                     15.60
                                     16.37
                                     4.95
                                     0.55
                                     0.02
                                      --
                                     0.02
                                      --
                                     0.18
                                      --
                                     4.93
                                     4.44
                                     0.48
                                   2007 (73)
                                Worst 20% Days
                                     0.37
                                     15.67
                                     16.04
                                     2.36
                                     0.25
                                     0.04
                                      --
                                     0.01
                                      --
                                     0.07
                                      --
                                     4.72
                                     4.49
                                     0.23
                                     2008
                                Annual Average
                                     0.02
                                     15.66
                                     15.69
                                     0.15
                                     0.02
                                     0.00
                                      --
                                     0.00
                                      --
                                     0.00
                                      --
                                     4.50
                                     4.49
                                     0.01
                                   2008 (65)
                               98[th] percentile
                                     0.31
                                     15.75
                                     16.06
                                     1.97
                                     0.25
                                     0.01
                                      --
                                     0.01
                                      --
                                     0.05
                                      --
                                     4.74
                                     4.55
                                     0.19
                                   2008 (72)
                                Worst 20% Days
                                     0.11
                                     15.49
                                     15.60
                                     0.73
                                     0.08
                                     0.01
                                      --
                                     0.00
                                      --
                                     0.02
                                      --
                                     4.52
                                     4.45
                                     0.07
                                     2009
                                Annual Average
                                     0.04
                                     15.66
                                     15.70
                                     0.24
                                     0.03
                                     0.00
                                      --
                                     0.00
                                      --
                                     0.01
                                      --
                                     4.51
                                     4.49
                                     0.02
                                     2009
                               98[th] percentile
                                     0.53
                                     15.85
                                     16.38
                                     3.33
                                     0.21
                                     0.19
                                      --
                                     0.01
                                      --
                                     0.11
                                      --
                                     4.93
                                     4.61
                                     0.33
                                   2009 (73)
                                Worst 20% Days
                                     0.19
                                     15.70
                                     15.88
                                     1.19
                                     0.13
                                     0.02
                                      --
                                     0.00
                                      --
                                     0.03
                                      --
                                     4.63
                                     4.51
                                     0.12
                                     2010
                                Annual Average
                                     0.06
                                     15.66
                                     15.72
                                     0.39
                                     0.04
                                     0.01
                                      --
                                     0.00
                                      --
                                     0.01
                                      --
                                     4.53
                                     4.49
                                     0.04
                                     2010
                               98[th] percentile
                                     0.61
                                     15.63
                                     16.24
                                     3.90
                                     0.44
                                     0.02
                                      --
                                     0.01
                                      --
                                     0.14
                                      --
                                     4.85
                                     4.46
                                     0.38
                                   2010 (73)
                                Worst 20% Days
                                     0.30
                                     15.64
                                     15.94
                                     1.92
                                     0.20
                                     0.03
                                      --
                                     0.01
                                      --
                                     0.06
                                      --
                                     4.66
                                     4.47
                                     0.19

Table 23.  Hassel Island NPS Site  - Group 6d  -  St. Croix, WAPA (BART + nonBART) Sources
                                 Hassel Island
                                 BEXT (Source)
                                  BEXT (BKG)
                                 BEXT (Total)
                                Percent CHANGE
                                   BEXT SO4
                                   BEXT NO3
                                    BEXT OC
                                    BEXT EC
                                   BEXT PMC
                                   BEXT PMF
                                   BEXT NO2
                                      dv
                                    (total)
                                      dv
                                     (bkg)
                                     ∆dv

                                    Mm[-1]
                                    Mm[-1]
                                    Mm[-1]
                                       %
                                    Mm[-1]
                                    Mm[-1]
                                    Mm[-1]
                                    Mm[-1]
                                    Mm[-1]
                                    Mm[-1]
                                    Mm[-1]

                                     2007
                                Annual Average
                                     0.09
                                     15.66
                                     15.75
                                     0.58
                                     0.06
                                     0.01
                                      --
                                     0.00
                                      --
                                     0.02
                                      --
                                     4.54
                                     4.49
                                     0.06
                                     2007
                               98[th] percentile
                                     0.77
                                     15.81
                                     16.58
                                     4.89
                                     0.59
                                     0.04
                                      --
                                     0.01
                                      --
                                     0.13
                                      --
                                     5.06
                                     4.58
                                     0.48
                                   2007 (50)
                                Worst 20% Days
                                     0.41
                                     15.68
                                     16.09
                                     2.61
                                     0.28
                                     0.04
                                      --
                                     0.01
                                      --
                                     0.08
                                      --
                                     4.75
                                     4.50
                                     0.26
                                     2008
                                Annual Average
                                     0.04
                                     15.66
                                     15.70
                                     0.23
                                     0.02
                                     0.00
                                      --
                                     0.00
                                      --
                                     0.01
                                      --
                                     4.51
                                     4.49
                                     0.02
                                     2008
                               98[th] percentile
                                     0.43
                                     15.85
                                     16.29
                                     2.74
                                     0.33
                                     0.06
                                      --
                                     0.00
                                      --
                                     0.04
                                      --
                                     4.88
                                     4.61
                                     0.27
                                   2008 (73)
                                Worst 20% Days
                                     0.18
                                     15.70
                                     15.88
                                     1.13
                                     0.12
                                     0.02
                                      --
                                     0.00
                                      --
                                     0.03
                                      --
                                     4.62
                                     4.51
                                     0.11
                                     2009
                                Annual Average
                                     0.05
                                     15.66
                                     15.71
                                     0.31
                                     0.03
                                     0.00
                                      --
                                     0.00
                                      --
                                     0.01
                                      --
                                     4.52
                                     4.49
                                     0.03
                                     2009
                               98[th] percentile
                                     0.56
                                     15.75
                                     16.32
                                     3.56
                                     0.38
                                     0.01
                                      --
                                     0.02
                                      --
                                     0.15
                                      --
                                     4.90
                                     4.55
                                     0.35
                                   2009 (73)
                                Worst 20% Days
                                     0.24
                                     15.70
                                     15.94
                                     1.51
                                     0.17
                                     0.02
                                      --
                                     0.00
                                      --
                                     0.05
                                      --
                                     4.66
                                     4.51
                                     0.15
                                     2010
                                Annual Average
                                     0.11
                                     15.66
                                     15.78
                                     0.72
                                     0.08
                                     0.01
                                      --
                                     0.00
                                      --
                                     0.02
                                      --
                                     4.56
                                     4.49
                                     0.07
                                     2010
                               98[th] percentile
                                     0.85
                                     15.85
                                     16.70
                                     5.36
                                     0.46
                                     0.32
                                      --
                                     0.01
                                      --
                                     0.06
                                      --
                                     5.13
                                     4.61
                                     0.52
                                   2010 (73)
                                Worst 20% Days
                                     0.50
                                     15.65
                                     16.16
                                     3.23
                                     0.34
                                     0.05
                                      --
                                     0.01
                                      --
                                     0.10
                                      --
                                     4.80
                                     4.48
                                     0.32

Table 24.  IMPROVE Site  -  Group 2 - St. John Point Sources
                                   IMPROVE
                                 BEXT (Source)
                                  BEXT (BKG)
                                 BEXT (Total)
                                Percent CHANGE
                                   BEXT SO4
                                   BEXT NO3
                                    BEXT OC
                                    BEXT EC
                                   BEXT PMC
                                   BEXT PMF
                                   BEXT NO2
                                      dv
                                    (total)
                                      dv
                                     (bkg)
                                     ∆dv

                                    Mm[-1]
                                    Mm[-1]
                                    Mm[-1]
                                       %
                                    Mm[-1]
                                    Mm[-1]
                                    Mm[-1]
                                    Mm[-1]
                                    Mm[-1]
                                    Mm[-1]
                                    Mm[-1]

                                     2007
                                Annual Average
                                     0.24
                                     15.66
                                     15.90
                                     1.54
                                     0.01
                                     0.00
                                      --
                                     0.02
                                      --
                                     0.21
                                      --
                                     4.64
                                     4.49
                                     0.15
                                     2007
                                98th percentile
                                     1.71
                                     15.47
                                     17.18
                                     11.06
                                     0.01
                                     0.00
                                      --
                                     0.16
                                      --
                                     1.55
                                      --
                                     5.41
                                     4.36
                                     1.05
                                   2007 (73)
                                Worst 20% Days
                                     0.99
                                     15.65
                                     16.64
                                     6.31
                                     0.02
                                     0.00
                                      --
                                     0.09
                                      --
                                     0.88
                                      --
                                     5.09
                                     4.48
                                     0.61
                                     2008
                                Annual Average
                                     0.09
                                     15.66
                                     15.75
                                     0.55
                                     0.00
                                     0.00
                                      --
                                     0.01
                                      --
                                     0.07
                                      --
                                     4.54
                                     4.49
                                     0.05
                                     2008
                                98th percentile
                                     1.01
                                     15.58
                                     16.60
                                     6.51
                                     0.01
                                     0.00
                                      --
                                     0.09
                                      --
                                     0.91
                                      --
                                     5.07
                                     4.44
                                     0.63
                                   2008 (73)
                                Worst 20% Days
                                     0.42
                                     15.67
                                     16.09
                                     2.69
                                     0.01
                                     0.01
                                      --
                                     0.04
                                      --
                                     0.36
                                      --
                                     4.75
                                     4.49
                                     0.26
                                     2009
                                Annual Average
                                     0.10
                                     15.66
                                     15.76
                                     0.64
                                     0.00
                                     0.00
                                      --
                                     0.01
                                      --
                                     0.09
                                      --
                                     4.55
                                     4.49
                                     0.06
                                     2009
                                98th percentile
                                     1.09
                                     15.60
                                     16.69
                                     6.98
                                     0.02
                                     0.00
                                      --
                                     0.10
                                      --
                                     0.97
                                      --
                                     5.12
                                     4.45
                                     0.67
                                   2009 (73)
                                Worst 20% Days
                                     0.49
                                     15.67
                                     16.17
                                     3.15
                                     0.01
                                     0.00
                                      --
                                     0.04
                                      --
                                     0.43
                                      --
                                     4.80
                                     4.49
                                     0.31
                                     2010
                                Annual Average
                                     0.01
                                     15.66
                                     15.67
                                     0.06
                                     0.00
                                     0.00
                                      --
                                     0.00
                                      --
                                     0.01
                                      --
                                     4.49
                                     4.49
                                     0.01
                                     2010
                                98th percentile
                                     0.08
                                     15.76
                                     15.84
                                     0.53
                                     0.03
                                     0.00
                                      --
                                     0.01
                                      --
                                     0.05
                                      --
                                     4.60
                                     4.55
                                     0.05
                                   2010 (34)
                                Worst 20% Days
                                     0.05
                                     7.33
                                     7.38
                                     0.31
                                     0.00
                                     0.00
                                      --
                                     0.00
                                      --
                                     0.04
                                      --
                                     2.14
                                     2.11
                                     0.03

Table 25.  Hassel Island NPS Site - Group 2 - St. John Point Sources
                                Hassel Island
                                 BEXT (Source)
                                  BEXT (BKG)
                                 BEXT (Total)
                                Percent CHANGE
                                   BEXT SO4
                                   BEXT NO3
                                    BEXT OC
                                    BEXT EC
                                   BEXT PMC
                                   BEXT PMF
                                   BEXT NO2
                                      dv
                                    (total)
                                      dv
                                     (bkg)
                                     ∆dv

                                    Mm[-1]
                                    Mm[-1]
                                    Mm[-1]
                                       %
                                    Mm[-1]
                                    Mm[-1]
                                    Mm[-1]
                                    Mm[-1]
                                    Mm[-1]
                                    Mm[-1]
                                    Mm[-1]

                                     2007
                                Annual Average
                                     0.22
                                     15.66
                                     15.89
                                     1.42
                                     0.05
                                     0.01
                                      --
                                     0.02
                                      --
                                     0.15
                                      --
                                     4.63
                                     4.49
                                     0.14
                                     2007
                                98th percentile
                                     1.26
                                     15.55
                                     16.81
                                     8.12
                                     0.16
                                     0.13
                                      --
                                     0.09
                                      --
                                     0.88
                                      --
                                     5.20
                                     4.42
                                     0.78
                                   2007 (73)
                                Worst 20% Days
                                     0.64
                                     15.68
                                     16.32
                                     4.13
                                     0.13
                                     0.03
                                      --
                                     0.04
                                      --
                                     0.44
                                      --
                                     4.90
                                     4.50
                                     0.40
                                     2008
                                Annual Average
                                     0.13
                                     15.66
                                     15.80
                                     0.86
                                     0.03
                                     0.01
                                      --
                                     0.01
                                      --
                                     0.09
                                      --
                                     4.57
                                     4.49
                                     0.09
                                     2008
                                98th percentile
                                     0.63
                                     15.55
                                     16.18
                                     4.06
                                     0.07
                                     0.01
                                      --
                                     0.05
                                      --
                                     0.50
                                      --
                                     4.81
                                     4.42
                                     0.40
                                   2008 (73)
                                Worst 20% Days
                                     0.38
                                     15.67
                                     16.06
                                     2.44
                                     0.08
                                     0.04
                                      --
                                     0.02
                                      --
                                     0.25
                                      --
                                     4.73
                                     4.49
                                     0.24
                                     2009
                                Annual Average
                                     0.13
                                     15.66
                                     15.79
                                     0.82
                                     0.02
                                     0.01
                                      --
                                     0.01
                                      --
                                     0.09
                                      --
                                     4.57
                                     4.49
                                     0.08
                                     2009
                                98th percentile
                                     0.48
                                     15.62
                                     16.10
                                     3.07
                                     0.09
                                     0.01
                                      --
                                     0.04
                                      --
                                     0.35
                                      --
                                     4.76
                                     4.46
                                     0.30
                                   2009 (73)
                                Worst 20% Days
                                     0.36
                                     15.65
                                     16.01
                                     2.29
                                     0.07
                                     0.02
                                      --
                                     0.03
                                      --
                                     0.25
                                      --
                                     4.71
                                     4.48
                                     0.23
                                     2010
                                Annual Average
                                     0.73
                                     15.66
                                     16.40
                                     4.70
                                     0.14
                                     0.04
                                      --
                                     0.05
                                      --
                                     0.50
                                      --
                                     4.94
                                     4.49
                                     0.45
                                     2010
                                98th percentile
                                     1.99
                                     15.62
                                     17.61
                                     12.77
                                     0.34
                                     0.02
                                      --
                                     0.15
                                      --
                                     1.48
                                      --
                                     5.66
                                     4.46
                                     1.20
                                   2010 (73)
                                Worst 20% Days
                                     1.71
                                     15.68
                                     17.39
                                     10.95
                                     0.34
                                     0.09
                                      --
                                     0.12
                                      --
                                     1.17
                                      --
                                     5.53
                                     4.49
                                     1.04

Table 26.  IMPROVE Site  -  Group 3 - St. John Marine Vessels, No Reductions
                                   IMPROVE
                                 BEXT (Source)
                                  BEXT (BKG)
                                 BEXT (Total)
                                Percent CHANGE
                                   BEXT SO4
                                   BEXT NO3
                                    BEXT OC
                                    BEXT EC
                                   BEXT PMC
                                   BEXT PMF
                                   BEXT NO2
                                      dv
                                    (total)
                                      dv
                                     (bkg)
                                     ∆dv

                                    Mm[-1]
                                    Mm[-1]
                                    Mm[-1]
                                       %
                                    Mm[-1]
                                    Mm[-1]
                                    Mm[-1]
                                    Mm[-1]
                                    Mm[-1]
                                    Mm[-1]
                                    Mm[-1]

                                     2007
                                Annual Average
                                     0.04
                                     15.66
                                     15.70
                                     0.22
                                     0.01
                                     0.00
                                      --
                                     0.00
                                      --
                                     0.02
                                      --
                                     4.51
                                     4.49
                                     0.02
                                     2007
                                98th percentile
                                     0.39
                                     15.55
                                     15.95
                                     2.54
                                     0.17
                                     0.02
                                      --
                                     0.02
                                      --
                                     0.18
                                      --
                                     4.67
                                     4.42
                                     0.25
                                   2007 (73)
                                Worst 20% Days
                                     0.17
                                     15.67
                                     15.84
                                     1.12
                                     0.04
                                     0.01
                                      --
                                     0.01
                                      --
                                     0.12
                                      --
                                     4.60
                                     4.49
                                     0.11
                                     2008
                                Annual Average
                                     0.02
                                     15.66
                                     15.68
                                     0.12
                                     0.00
                                     0.00
                                      --
                                     0.00
                                      --
                                     0.01
                                      --
                                     4.50
                                     4.49
                                     0.01
                                     2008
                                98th percentile
                                     0.25
                                     15.60
                                     15.85
                                     1.60
                                     0.12
                                     0.07
                                      --
                                     0.01
                                      --
                                     0.05
                                      --
                                     4.61
                                     4.45
                                     0.16
                                   2008 (26)
                                Worst 20% Days
                                     0.10
                                     5.59
                                     5.69
                                     0.61
                                     0.02
                                     0.01
                                      --
                                     0.01
                                      --
                                     0.07
                                      --
                                     1.66
                                     1.61
                                     0.06
                                     2009
                                Annual Average
                                     0.01
                                     15.66
                                     15.68
                                     0.09
                                     0.00
                                     0.00
                                      --
                                     0.00
                                      --
                                     0.01
                                      --
                                     4.49
                                     4.49
                                     0.01
                                     2009
                                98th percentile
                                     0.07
                                     15.85
                                     15.92
                                     0.46
                                     0.04
                                     0.02
                                      --
                                     0.00
                                      --
                                     0.01
                                      --
                                     4.65
                                     4.61
                                     0.05
                                   2009 (26)
                                Worst 20% Days
                                     0.07
                                     5.59
                                     5.66
                                     0.44
                                     0.02
                                     0.00
                                      --
                                     0.00
                                      --
                                     0.04
                                      --
                                     1.65
                                     1.60
                                     0.04
                                     2010
                                Annual Average
                                     0.00
                                     15.66
                                     15.66
                                     0.00
                                     0.00
                                     0.00
                                      --
                                     0.00
                                      --
                                     0.00
                                      --
                                     4.49
                                     4.49
                                     0.00
                                     2010
                                98th percentile
                                     0.00
                                     15.76
                                     15.76
                                     0.02
                                     0.00
                                     0.00
                                      --
                                     0.00
                                      --
                                     0.00
                                      --
                                     4.55
                                     4.55
                                     0.00
                                   2010 (26)
                                Worst 20% Days
                                     0.00
                                     5.60
                                     5.61
                                     0.02
                                     0.00
                                     0.00
                                      --
                                     0.00
                                      --
                                     0.00
                                      --
                                     1.62
                                     1.61
                                     0.00

Table 27.  Hassel Island NPS Site - Group 3 - St. John Marine Vessels, No Reductions
                                Hassel Island
                                 BEXT (Source)
                                  BEXT (BKG)
                                 BEXT (Total)
                                Percent CHANGE
                                   BEXT SO4
                                   BEXT NO3
                                    BEXT OC
                                    BEXT EC
                                   BEXT PMC
                                   BEXT PMF
                                   BEXT NO2
                                      dv
                                    (total)
                                      dv
                                     (bkg)
                                     ∆dv

                                    Mm[-1]
                                    Mm[-1]
                                    Mm[-1]
                                       %
                                    Mm[-1]
                                    Mm[-1]
                                    Mm[-1]
                                    Mm[-1]
                                    Mm[-1]
                                    Mm[-1]
                                    Mm[-1]

                                     2007
                                Annual Average
                                     0.14
                                     15.66
                                     15.80
                                     0.88
                                     0.08
                                     0.01
                                      --
                                     0.00
                                      --
                                     0.04
                                      --
                                     4.57
                                     4.49
                                     0.09
                                     2007
                                98th percentile
                                     0.82
                                     15.76
                                     16.58
                                     5.25
                                     0.65
                                     0.02
                                      --
                                     0.01
                                      --
                                     0.14
                                      --
                                     5.06
                                     4.55
                                     0.51
                                   2007 (73)
                                Worst 20% Days
                                     0.42
                                     15.68
                                     16.10
                                     2.67
                                     0.26
                                     0.03
                                      --
                                     0.01
                                      --
                                     0.11
                                      --
                                     4.76
                                     4.50
                                     0.26
                                     2008
                                Annual Average
                                     0.09
                                     15.66
                                     15.75
                                     0.56
                                     0.05
                                     0.01
                                      --
                                     0.00
                                      --
                                     0.03
                                      --
                                     4.54
                                     4.49
                                     0.06
                                     2008
                                98th percentile
                                     0.44
                                     15.76
                                     16.20
                                     2.80
                                     0.29
                                     0.08
                                      --
                                     0.01
                                      --
                                     0.06
                                      --
                                     4.82
                                     4.55
                                     0.28
                                   2008 (73)
                                Worst 20% Days
                                     0.27
                                     15.67
                                     15.95
                                     1.73
                                     0.17
                                     0.03
                                      --
                                     0.01
                                      --
                                     0.07
                                      --
                                     4.67
                                     4.49
                                     0.17
                                     2009
                                Annual Average
                                     0.08
                                     15.66
                                     15.74
                                     0.49
                                     0.04
                                     0.01
                                      --
                                     0.00
                                      --
                                     0.03
                                      --
                                     4.53
                                     4.49
                                     0.05
                                     2009
                                98th percentile
                                     0.31
                                     15.63
                                     15.94
                                     2.00
                                     0.19
                                     0.01
                                      --
                                     0.01
                                      --
                                     0.10
                                      --
                                     4.66
                                     4.46
                                     0.20
                                   2009 (73)
                                Worst 20% Days
                                     0.23
                                     15.67
                                     15.90
                                     1.45
                                     0.14
                                     0.02
                                      --
                                     0.01
                                      --
                                     0.07
                                      --
                                     4.63
                                     4.49
                                     0.14
                                     2010
                                Annual Average
                                     0.45
                                     15.66
                                     16.12
                                     2.90
                                     0.26
                                     0.04
                                      --
                                     0.01
                                      --
                                     0.14
                                      --
                                     4.77
                                     4.49
                                     0.28
                                     2010
                                98th percentile
                                     1.86
                                     15.81
                                     17.68
                                     11.81
                                     1.44
                                     0.09
                                      --
                                     0.03
                                      --
                                     0.29
                                      --
                                     5.70
                                     4.58
                                     1.12
                                   2010 (73)
                                Worst 20% Days
                                     1.34
                                     15.72
                                     17.06
                                     8.57
                                     0.84
                                     0.11
                                      --
                                     0.04
                                      --
                                     0.36
                                      --
                                     5.34
                                     4.52
                                     0.82

Table 28.  IMPROVE Site  -  Group 3alt - St. John Marine Vessels, with Reductions
                                   IMPROVE
                                 BEXT (Source)
                                  BEXT (BKG)
                                 BEXT (Total)
                                Percent CHANGE
                                   BEXT SO4
                                   BEXT NO3
                                    BEXT OC
                                    BEXT EC
                                   BEXT PMC
                                   BEXT PMF
                                   BEXT NO2
                                      dv
                                    (total)
                                      dv
                                     (bkg)
                                     ∆dv

                                    Mm[-1]
                                    Mm[-1]
                                    Mm[-1]
                                       %
                                    Mm[-1]
                                    Mm[-1]
                                    Mm[-1]
                                    Mm[-1]
                                    Mm[-1]
                                    Mm[-1]
                                    Mm[-1]

                                     2007
                                Annual Average
                                     0.01
                                     15.66
                                     15.67
                                     0.03
                                     0.00
                                     0.00
                                      --
                                     0.00
                                      --
                                     0.00
                                      --
                                     4.49
                                     4.49
                                     0.00
                                     2007
                                98th percentile
                                     0.06
                                     15.55
                                     15.61
                                     0.39
                                     0.03
                                     0.00
                                      --
                                     0.00
                                      --
                                     0.03
                                      --
                                     4.45
                                     4.42
                                     0.04
                                   2007 (60)
                                Worst 20% Days
                                     0.03
                                     12.88
                                     12.91
                                     0.17
                                     0.01
                                     0.00
                                      --
                                     0.00
                                      --
                                     0.02
                                      --
                                     3.71
                                     3.69
                                     0.02
                                     2008
                                Annual Average
                                     0.00
                                     15.66
                                     15.67
                                     0.02
                                     0.00
                                     0.00
                                      --
                                     0.00
                                      --
                                     0.00
                                      --
                                     4.49
                                     4.49
                                     0.00
                                     2008
                                98th percentile
                                     0.04
                                     15.60
                                     15.64
                                     0.27
                                     0.02
                                     0.02
                                      --
                                     0.00
                                      --
                                     0.01
                                      --
                                     4.48
                                     4.45
                                     0.03
                                   2008 (24)
                                Worst 20% Days
                                     0.01
                                     5.16
                                     5.17
                                     0.10
                                     0.00
                                     0.00
                                      --
                                     0.00
                                      --
                                     0.01
                                      --
                                     1.49
                                     1.48
                                     0.01
                                     2009
                                Annual Average
                                     0.00
                                     15.66
                                     15.66
                                     0.01
                                     0.00
                                     0.00
                                      --
                                     0.00
                                      --
                                     0.00
                                      --
                                     4.49
                                     4.49
                                     0.00
                                     2009
                                98th percentile
                                     0.01
                                     15.85
                                     15.86
                                     0.08
                                     0.01
                                     0.00
                                      --
                                     0.00
                                      --
                                     0.00
                                      --
                                     4.61
                                     4.61
                                     0.01
                                   2009 (18)
                                Worst 20% Days
                                     0.01
                                     3.87
                                     3.88
                                     0.07
                                     0.00
                                     0.00
                                      --
                                     0.00
                                      --
                                     0.01
                                      --
                                     1.12
                                     1.11
                                     0.01
                                     2010
                                Annual Average
                                     0.00
                                     15.66
                                     15.66
                                     0.00
                                     0.00
                                     0.00
                                      --
                                     0.00
                                      --
                                     0.00
                                      --
                                     4.49
                                     4.49
                                     0.00
                                     2010
                                98th percentile
                                     0.00
                                     15.85
                                     15.85
                                     0.00
                                     0.00
                                     0.00
                                      --
                                     0.00
                                      --
                                     0.00
                                      --
                                     4.61
                                     4.61
                                     0.00
                                   2010 (11)
                                Worst 20% Days
                                     0.00
                                     2.37
                                     2.37
                                     0.00
                                     0.00
                                     0.00
                                      --
                                     0.00
                                      --
                                     0.00
                                      --
                                     0.68
                                     0.68
                                     0.00

Table 29.  Hassel Island NPS Site  -  Group 3alt - St. John Marine Vessels, With Reductions
                                Hassel Island
                                 BEXT (Source)
                                  BEXT (BKG)
                                 BEXT (Total)
                                Percent CHANGE
                                   BEXT SO4
                                   BEXT NO3
                                    BEXT OC
                                    BEXT EC
                                   BEXT PMC
                                   BEXT PMF
                                   BEXT NO2
                                      dv
                                    (total)
                                      dv
                                     (bkg)
                                     ∆dv

                                    Mm[-1]
                                    Mm[-1]
                                    Mm[-1]
                                       %
                                    Mm[-1]
                                    Mm[-1]
                                    Mm[-1]
                                    Mm[-1]
                                    Mm[-1]
                                    Mm[-1]
                                    Mm[-1]

                                     2007
                                Annual Average
                                     0.02
                                     15.66
                                     15.68
                                     0.14
                                     0.01
                                     0.00
                                      --
                                     0.00
                                      --
                                     0.01
                                      --
                                     4.50
                                     4.49
                                     0.01
                                     2007
                                98th percentile
                                     0.13
                                     15.76
                                     15.88
                                     0.81
                                     0.10
                                     0.01
                                      --
                                     0.00
                                      --
                                     0.02
                                      --
                                     4.63
                                     4.55
                                     0.08
                                   2007 (73)
                                Worst 20% Days
                                     0.07
                                     15.68
                                     15.75
                                     0.42
                                     0.04
                                     0.01
                                      --
                                     0.00
                                      --
                                     0.02
                                      --
                                     4.54
                                     4.50
                                     0.04
                                     2008
                                Annual Average
                                     0.01
                                     15.66
                                     15.68
                                     0.09
                                     0.01
                                     0.00
                                      --
                                     0.00
                                      --
                                     0.00
                                      --
                                     4.50
                                     4.49
                                     0.01
                                     2008
                                98th percentile
                                     0.07
                                     15.85
                                     15.92
                                     0.46
                                     0.01
                                     0.05
                                      --
                                     0.00
                                      --
                                     0.01
                                      --
                                     4.65
                                     4.61
                                     0.05
                                   2008 (73)
                                Worst 20% Days
                                     0.04
                                     15.67
                                     15.72
                                     0.29
                                     0.02
                                     0.01
                                      --
                                     0.00
                                      --
                                     0.01
                                      --
                                     4.52
                                     4.49
                                     0.03
                                     2009
                                Annual Average
                                     0.01
                                     15.66
                                     15.67
                                     0.08
                                     0.01
                                     0.00
                                      --
                                     0.00
                                      --
                                     0.00
                                      --
                                     4.49
                                     4.49
                                     0.01
                                     2009
                                98th percentile
                                     0.05
                                     15.72
                                     15.77
                                     0.32
                                     0.03
                                     0.00
                                      --
                                     0.00
                                      --
                                     0.01
                                      --
                                     4.56
                                     4.53
                                     0.03
                                   2009 (73)
                                Worst 20% Days
                                     0.04
                                     15.67
                                     15.71
                                     0.23
                                     0.02
                                     0.00
                                      --
                                     0.00
                                      --
                                     0.01
                                      --
                                     4.51
                                     4.49
                                     0.02
                                     2010
                                Annual Average
                                     0.07
                                     15.66
                                     15.74
                                     0.47
                                     0.04
                                     0.01
                                      --
                                     0.00
                                      --
                                     0.02
                                      --
                                     4.53
                                     4.49
                                     0.05
                                     2010
                                98th percentile
                                     0.34
                                     15.72
                                     16.07
                                     2.17
                                     0.11
                                     0.18
                                      --
                                     0.00
                                      --
                                     0.04
                                      --
                                     4.74
                                     4.53
                                     0.22
                                   2010 (73)
                                Worst 20% Days
                                     0.23
                                     15.71
                                     15.94
                                     1.44
                                     0.12
                                     0.04
                                      --
                                     0.01
                                      --
                                     0.05
                                      --
                                     4.66
                                     4.52
                                     0.14

Table 30.  IMPROVE Site  -  Group 4  -  Puerto Rico Surrogate Power Plant
                                   IMPROVE
                                 BEXT (Source)
                                  BEXT (BKG)
                                 BEXT (Total)
                                Percent CHANGE
                                   BEXT SO4
                                   BEXT NO3
                                    BEXT OC
                                    BEXT EC
                                   BEXT PMC
                                   BEXT PMF
                                   BEXT NO2
                                      dv
                                    (total)
                                      dv
                                     (bkg)
                                     ∆dv

                                    Mm[-1]
                                    Mm[-1]
                                    Mm[-1]
                                       %
                                    Mm[-1]
                                    Mm[-1]
                                    Mm[-1]
                                    Mm[-1]
                                    Mm[-1]
                                    Mm[-1]
                                    Mm[-1]

                                     2009
                                Annual Average
                                     0.00
                                     15.66
                                     15.66
                                     0.00
                                     0.00
                                     0.00
                                      --
                                     0.00
                                      --
                                     0.00
                                      --
                                     4.49
                                     4.49
                                     0.00
                                     2009
                                98th percentile
                                     0.00
                                     15.60
                                     15.60
                                     0.00
                                     0.00
                                     0.00
                                      --
                                     0.00
                                      --
                                     0.00
                                      --
                                     4.45
                                     4.45
                                     0.00
                                   2009 (2)
                                Worst 20% Days
                                     0.00
                                     0.43
                                     0.44
                                     0.01
                                     0.00
                                     0.00
                                      --
                                     0.00
                                      --
                                     0.00
                                      --
                                     0.13
                                     0.13
                                     0.00

Table 31.  Hassel Island NPS Site  -  Group 4  -  Puerto Rico Surrogate Power Plant
                                Hassel Island
                                 BEXT (Source)
                                  BEXT (BKG)
                                 BEXT (Total)
                                Percent CHANGE
                                   BEXT SO4
                                   BEXT NO3
                                    BEXT OC
                                    BEXT EC
                                   BEXT PMC
                                   BEXT PMF
                                   BEXT NO2
                                      dv
                                    (total)
                                      dv
                                     (bkg)
                                     ∆dv

                                    Mm[-1]
                                    Mm[-1]
                                    Mm[-1]
                                       %
                                    Mm[-1]
                                    Mm[-1]
                                    Mm[-1]
                                    Mm[-1]
                                    Mm[-1]
                                    Mm[-1]
                                    Mm[-1]

                                     2009
                                Annual Average
                                     0.00
                                     15.66
                                     15.66
                                     0.00
                                     0.00
                                     0.00
                                      --
                                     0.00
                                      --
                                     0.00
                                      --
                                     4.49
                                     4.49
                                     0.00
                                     2009
                                98th percentile
                                     0.00
                                     15.60
                                     15.60
                                     0.00
                                     0.00
                                     0.00
                                      --
                                     0.00
                                      --
                                     0.00
                                      --
                                     4.45
                                     4.45
                                     0.00
                                   2009 (2)
                                Worst 20% Days
                                     0.00
                                     0.43
                                     0.44
                                     0.01
                                     0.00
                                     0.00
                                      --
                                     0.00
                                      --
                                     0.00
                                      --
                                     0.13
                                     0.13
                                     0.00

Table 32.  IMPROVE Site  -  Group 7  -  British Virgin Islands Oil Combustion
                                   IMPROVE
                                 BEXT (Source)
                                  BEXT (BKG)
                                 BEXT (Total)
                                Percent CHANGE
                                   BEXT SO4
                                   BEXT NO3
                                    BEXT OC
                                    BEXT EC
                                   BEXT PMC
                                   BEXT PMF
                                   BEXT NO2
                                      dv
                                    (total)
                                      dv
                                     (bkg)
                                     ∆dv

                                    Mm[-1]
                                    Mm[-1]
                                    Mm[-1]
                                       %
                                    Mm[-1]
                                    Mm[-1]
                                    Mm[-1]
                                    Mm[-1]
                                    Mm[-1]
                                    Mm[-1]
                                    Mm[-1]

                                     2009
                                Annual Average
                                     0.08
                                     15.66
                                     15.74
                                     0.49
                                     0.05
                                     0.00
                                      --
                                     0.00
                                      --
                                     0.02
                                      --
                                     4.54
                                     4.49
                                     0.05
                                     2009
                                98th percentile
                                     0.73
                                     15.55
                                     16.29
                                     4.72
                                     0.42
                                     0.01
                                      --
                                     0.03
                                      --
                                     0.28
                                      --
                                     4.88
                                     4.42
                                     0.46
                                   2009 (73)
                                Worst 20% Days
                                     0.36
                                     15.64
                                     16.00
                                     2.30
                                     0.24
                                     0.01
                                      --
                                     0.01
                                      --
                                     0.10
                                      --
                                     4.70
                                     4.47
                                     0.36

Table 33.  Hassel Island NPS Site  -  Group 7  -  British Virgin Islands Oil Combustion
                                Hassel Island
                                 BEXT (Source)
                                  BEXT (BKG)
                                 BEXT (Total)
                                Percent CHANGE
                                   BEXT SO4
                                   BEXT NO3
                                    BEXT OC
                                    BEXT EC
                                   BEXT PMC
                                   BEXT PMF
                                   BEXT NO2
                                      dv
                                    (total)
                                      dv
                                     (bkg)
                                     ∆dv

                                    Mm[-1]
                                    Mm[-1]
                                    Mm[-1]
                                       %
                                    Mm[-1]
                                    Mm[-1]
                                    Mm[-1]
                                    Mm[-1]
                                    Mm[-1]
                                    Mm[-1]
                                    Mm[-1]

                                     2009
                                Annual Average
                                     0.15
                                     15.66
                                     15.81
                                     0.97
                                     0.12
                                     0.00
                                      --
                                     0.00
                                      --
                                     0.03
                                      --
                                     4.58
                                     4.49
                                     0.10
                                     2009
                                98th percentile
                                     0.65
                                     15.72
                                     16.38
                                     4.18
                                     0.50
                                     0.01
                                      --
                                     0.01
                                      --
                                     0.13
                                      --
                                     4.94
                                     4.53
                                     0.41
                                   2009 (73)
                                Worst 20% Days
                                     0.46
                                     15.67
                                     16.13
                                     2.93
                                     0.36
                                     0.01
                                      --
                                     0.01
                                      --
                                     0.08
                                      --
                                     4.78
                                     4.49
                                     0.29

Table 34.  IMPROVE Site  -  Group 8  -  British Virgin Islands Burning
                                   IMPROVE
                                 BEXT (Source)
                                  BEXT (BKG)
                                 BEXT (Total)
                                Percent CHANGE
                                   BEXT SO4
                                   BEXT NO3
                                    BEXT OC
                                    BEXT EC
                                   BEXT PMC
                                   BEXT PMF
                                   BEXT NO2
                                      dv
                                    (total)
                                      dv
                                     (bkg)
                                     ∆dv

                                    Mm[-1]
                                    Mm[-1]
                                    Mm[-1]
                                       %
                                    Mm[-1]
                                    Mm[-1]
                                    Mm[-1]
                                    Mm[-1]
                                    Mm[-1]
                                    Mm[-1]
                                    Mm[-1]

                                     2009
                                Annual Average
                                     0.03
                                     15.66
                                     15.69
                                     0.18
                                     0.00
                                     0.00
                                      --
                                     0.00
                                      --
                                     0.03
                                      --
                                     4.50
                                     4.49
                                     0.02
                                     2009
                                98th percentile
                                     0.25
                                     15.72
                                     15.98
                                     1.60
                                     0.00
                                     0.00
                                      --
                                     0.02
                                      --
                                     0.23
                                      --
                                     4.69
                                     4.53
                                     0.16
                                   2009 (73)
                                Worst 20% Days
                                     0.13
                                     15.64
                                     15.77
                                     0.82
                                     0.00
                                     0.00
                                      --
                                     0.01
                                      --
                                     0.12
                                      --
                                     4.55
                                     4.47
                                     0.08

Table 35.  Hassel Island NPS Site  -  Group 8  -  British Virgin Islands Burning
                                Hassel Island
                                 BEXT (Source)
                                  BEXT (BKG)
                                 BEXT (Total)
                                Percent CHANGE
                                   BEXT SO4
                                   BEXT NO3
                                    BEXT OC
                                    BEXT EC
                                   BEXT PMC
                                   BEXT PMF
                                   BEXT NO2
                                      dv
                                    (total)
                                      dv
                                     (bkg)
                                     ∆dv

                                    Mm[-1]
                                    Mm[-1]
                                    Mm[-1]
                                       %
                                    Mm[-1]
                                    Mm[-1]
                                    Mm[-1]
                                    Mm[-1]
                                    Mm[-1]
                                    Mm[-1]
                                    Mm[-1]

                                     2009
                                Annual Average
                                     0.03
                                     15.66
                                     15.69
                                     0.19
                                     0.00
                                     0.00
                                      --
                                     0.00
                                      --
                                     0.03
                                      --
                                     4.51
                                     4.49
                                     0.02
                                     2009
                                98th percentile
                                     0.12
                                     15.72
                                     15.84
                                     0.76
                                     0.00
                                     0.00
                                      --
                                     0.01
                                      --
                                     0.11
                                      --
                                     4.60
                                     4.53
                                     0.08
                                   2009 (73)
                                Worst 20% Days
                                     0.09
                                     15.65
                                     15.74
                                     0.56
                                     0.00
                                     0.00
                                      --
                                     0.01
                                      --
                                     0.08
                                      --
                                     4.54
                                     4.48
                                     0.06

Table 36.  IMPROVE Site  -  Group 9  -  St. John Fugitive Road Dust
                                   IMPROVE
                                 BEXT (Source)
                                  BEXT (BKG)
                                 BEXT (Total)
                                Percent CHANGE
                                   BEXT SO4
                                   BEXT NO3
                                    BEXT OC
                                    BEXT EC
                                   BEXT PMC
                                   BEXT PMF
                                   BEXT NO2
                                      dv
                                    (total)
                                      dv
                                     (bkg)
                                     ∆dv

                                    Mm[-1]
                                    Mm[-1]
                                    Mm[-1]
                                       %
                                    Mm[-1]
                                    Mm[-1]
                                    Mm[-1]
                                    Mm[-1]
                                    Mm[-1]
                                    Mm[-1]
                                    Mm[-1]

                                     2007
                                Annual Average
                                     2.02
                                     15.66
                                     17.69
                                     12.91
                                     0.00
                                     0.00
                                      --
                                     0.18
                                      --
                                     1.84
                                      --
                                     5.68
                                     4.49
                                     1.20
                                     2007
                                98th percentile
                                     4.87
                                     15.63
                                     20.50
                                     31.19
                                     0.00
                                     0.00
                                      --
                                     0.44
                                      --
                                     4.43
                                      --
                                     7.18
                                     4.46
                                     2.71
                                   2007 (73)
                                Worst 20% Days
                                     3.65
                                     15.68
                                     19.32
                                     23.27
                                     0.00
                                     0.00
                                      --
                                     0.33
                                      --
                                     3.32
                                      --
                                     6.58
                                     4.50
                                     2.08
                                     2008
                                Annual Average
                                     1.68
                                     15.66
                                     17.35
                                     10.74
                                     0.00
                                     0.00
                                      --
                                     0.15
                                      --
                                     1.53
                                      --
                                     5.50
                                     4.49
                                     1.01
                                     2008
                                98th percentile
                                     3.78
                                     15.63
                                     19.40
                                     24.16
                                     0.00
                                     0.00
                                      --
                                     0.34
                                      --
                                     3.43
                                      --
                                     6.63
                                     4.46
                                     2.16
                                   2008 (73)
                                Worst 20% Days
                                     3.18
                                     18.25
                                     21.43
                                     20.29
                                     0.00
                                     0.00
                                      --
                                     0.29
                                      --
                                     2.89
                                      --
                                     7.09
                                     5.23
                                     1.86
                                     2009
                                Annual Average
                                     1.82
                                     15.66
                                     17.48
                                     11.59
                                     0.00
                                     0.00
                                      --
                                     0.17
                                      --
                                     1.65
                                      --
                                     5.57
                                     4.49
                                     1.08
                                     2009
                                98th percentile
                                     4.34
                                     15.81
                                     20.15
                                     27.44
                                     0.00
                                     0.00
                                      --
                                     0.39
                                      --
                                     3.95
                                      --
                                     7.01
                                     4.58
                                     2.43
                                   2009 (73)
                                Worst 20% Days
                                     3.36
                                     15.75
                                     19.11
                                     21.35
                                     0.00
                                     0.00
                                      --
                                     0.31
                                      --
                                     3.06
                                      --
                                     6.47
                                     4.54
                                     1.93
                                     2010
                                Annual Average
                                     1.58
                                     15.66
                                     17.24
                                     10.09
                                     0.00
                                     0.00
                                      --
                                     0.14
                                      --
                                     1.44
                                      --
                                     5.44
                                     4.49
                                     0.95
                                     2010
                                98th percentile
                                     2.52
                                     15.85
                                     18.37
                                     15.87
                                     0.00
                                     0.00
                                      --
                                     0.23
                                      --
                                     2.29
                                      --
                                     6.08
                                     4.61
                                     1.47
                                   2010 (73)
                                Worst 20% Days
                                     2.47
                                     15.75
                                     18.22
                                     15.66
                                     0.00
                                     0.00
                                      --
                                     0.22
                                      --
                                     2.24
                                      --
                                     5.97
                                     4.55
                                     1.43

Table 37.  Hassel Island NPS Site  -  Group 9  -  St. John Fugitive Road Dust
                                Hassel Island
                                 BEXT (Source)
                                  BEXT (BKG)
                                 BEXT (Total)
                                Percent CHANGE
                                   BEXT SO4
                                   BEXT NO3
                                    BEXT OC
                                    BEXT EC
                                   BEXT PMC
                                   BEXT PMF
                                   BEXT NO2
                                      dv
                                    (total)
                                      dv
                                     (bkg)
                                     ∆dv

                                    Mm[-1]
                                    Mm[-1]
                                    Mm[-1]
                                       %
                                    Mm[-1]
                                    Mm[-1]
                                    Mm[-1]
                                    Mm[-1]
                                    Mm[-1]
                                    Mm[-1]
                                    Mm[-1]

                                     2007
                                Annual Average
                                     0.22
                                     15.66
                                     15.88
                                     1.41
                                     0.00
                                     0.00
                                      --
                                     0.02
                                      --
                                     0.20
                                      --
                                     4.63
                                     4.49
                                     0.14
                                     2007
                                98th percentile
                                     0.64
                                     15.55
                                     16.19
                                     4.09
                                     0.00
                                     0.00
                                      --
                                     0.06
                                      --
                                     0.58
                                      --
                                     4.82
                                     4.42
                                     0.40
                                   2007 (73)
                                Worst 20% Days
                                     0.49
                                     15.67
                                     16.15
                                     3.10
                                     0.00
                                     0.00
                                      --
                                     0.04
                                      --
                                     0.44
                                      --
                                     4.80
                                     4.49
                                     0.30
                                     2008
                                Annual Average
                                     0.24
                                     15.66
                                     15.90
                                     1.51
                                     0.00
                                     0.00
                                      --
                                     0.02
                                      --
                                     0.22
                                      --
                                     4.64
                                     4.49
                                     0.15
                                     2008
                                98th percentile
                                     0.86
                                     15.60
                                     16.45
                                     5.50
                                     0.00
                                     0.00
                                      --
                                     0.08
                                      --
                                     0.78
                                      --
                                     4.98
                                     4.44
                                     0.54
                                   2008 (73)
                                Worst 20% Days
                                     0.61
                                     15.66
                                     16.27
                                     3.91
                                     0.00
                                     0.00
                                      --
                                     0.06
                                      --
                                     0.56
                                      --
                                     4.87
                                     4.48
                                     0.38
                                     2009
                                Annual Average
                                     0.21
                                     15.66
                                     15.87
                                     1.32
                                     0.00
                                     0.00
                                      --
                                     0.02
                                      --
                                     0.19
                                      --
                                     4.62
                                     4.49
                                     0.13
                                     2009
                                98th percentile
                                     0.60
                                     15.85
                                     16.45
                                     3.79
                                     0.00
                                     0.00
                                      --
                                     0.06
                                      --
                                     0.55
                                      --
                                     4.98
                                     4.61
                                     0.37
                                   2009 (73)
                                Worst 20% Days
                                     0.48
                                     15.68
                                     16.17
                                     3.09
                                     0.00
                                     0.00
                                      --
                                     0.04
                                      --
                                     0.44
                                      --
                                     4.80
                                     4.50
                                     0.30
                                     2010
                                Annual Average
                                     0.62
                                     15.66
                                     16.28
                                     3.93
                                     0.00
                                     0.00
                                      --
                                     0.06
                                      --
                                     0.56
                                      --
                                     4.87
                                     4.49
                                     0.38
                                     2010
                                98th percentile
                                     0.99
                                     15.85
                                     16.84
                                     6.21
                                     0.00
                                     0.00
                                      --
                                     0.09
                                      --
                                     0.90
                                      --
                                     5.21
                                     4.61
                                     0.60
                                   2010 (73)
                                Worst 20% Days
                                     0.88
                                     15.73
                                     16.61
                                     5.58
                                     0.00
                                     0.00
                                      --
                                     0.08
                                      --
                                     0.80
                                      --
                                     5.07
                                     4.53
                                     0.54

Table 38.  IMPROVE Site  -  Group 10  -  St. John Burning
                                   IMPROVE
                                 BEXT (Source)
                                  BEXT (BKG)
                                 BEXT (Total)
                                Percent CHANGE
                                   BEXT SO4
                                   BEXT NO3
                                    BEXT OC
                                    BEXT EC
                                   BEXT PMC
                                   BEXT PMF
                                   BEXT NO2
                                      dv
                                    (total)
                                      dv
                                     (bkg)
                                     ∆dv

                                    Mm[-1]
                                    Mm[-1]
                                    Mm[-1]
                                       %
                                    Mm[-1]
                                    Mm[-1]
                                    Mm[-1]
                                    Mm[-1]
                                    Mm[-1]
                                    Mm[-1]
                                    Mm[-1]

                                     2007
                                Annual Average
                                     0.34
                                     15.66
                                     16.00
                                     2.17
                                     0.00
                                     0.00
                                      --
                                     0.03