be repeated for
                                                                                that analyte
                                                                                (i.e., the
                                                                                sampling and/or
                                                                                analytical
                                                                                procedure should
                                                                                be adjusted
                                                                                before a retest).
                                                                                The %R value for
                                                                                each compound
                                                                                must be reported
                                                                                in the test
                                                                                report, and all
                                                                                field
                                                                                measurements must
                                                                                be corrected with
                                                                                the calculated %R
                                                                                value for that
                                                                                compound by using
                                                                                the following
                                                                                equation:
                                                                                Reported Results
                                                                                = ((Measured
                                                                                Concentration in
                                                                                the Stack))/(%R)
                                                                                x 100.
                                                                                (c) you must
                                                                                conduct testing
                                                                                of emissions from
                                                                                continuous
                                                                                solvent coating
                                                                                process vents and
                                                                                combinations of
                                                                                batch and
                                                                                continuous
                                                                                solvent coating
                                                                                process vents at
                                                                                normal operating
                                                                                conditions, as
                                                                                specified in Sec.
                                                                                63.5535;
                                                                                (d) you must
                                                                                conduct testing
                                                                                of emissions from
                                                                                batch solvent
                                                                                coating process
                                                                                vents as
                                                                                specified in Sec.
                                                                                63.490(c),
                                                                                except that the
                                                                                emission
                                                                                reductions
                                                                                required for
                                                                                process vents
                                                                                under this
                                                                                subpart supersede
                                                                                the emission
                                                                                reductions
                                                                                required for
                                                                                process vents
                                                                                under subpart U
                                                                                of this part; and
                                                                                (e) you must
                                                                                collect CPMS data
                                                                                during the period
                                                                                of the initial
                                                                                compliance
                                                                                demonstration and
                                                                                determine the
                                                                                CPMS operating
                                                                                limit during the
                                                                                period of the
                                                                                initial
                                                                                compliance
                                                                                demonstration.
                                                                          (3) EPA Method 25   (a) you must
                                                                           in appendix A-7     conduct testing
                                                                           to part 60 of       of emissions at
                                                                           this chapter; or.   the inlet and
                                                                                outlet of each
                                                                                control device;
                                                                                (b) you must
                                                                                conduct testing
                                                                                of emissions at
                                                                                the inlet and
                                                                                outlet of each
                                                                                control device;
                                                                                (c) you must
                                                                                conduct testing
                                                                                of emissions from
                                                                                continuous
                                                                                cellulose ether
                                                                                process vents and
                                                                                combinations of
                                                                                batch and
                                                                                continuous
                                                                                cellulose ether
                                                                                process vents at
                                                                                normal operating
                                                                                conditions, as
                                                                                specified in Sec.
                                                                                63.5535;

                                                                                (d) you must
                                                                                conduct testing
                                                                                of emissions from
                                                                                batch cellulose
                                                                                ether process
                                                                                vents as
                                                                                specified in Sec.
                                                                                63.490(c),
                                                                                except that the
                                                                                emission
                                                                                reductions
                                                                                required for
                                                                                process vents
                                                                                under this
                                                                                subpart supersede
                                                                                the emission
                                                                                reductions
                                                                                required for
                                                                                process vents
                                                                                under subpart U
                                                                                of this part; and
                                                                                (e) you must
                                                                                collect CPMS data
                                                                                during the period
                                                                                of the initial
                                                                                performance test
                                                                                and determine the
                                                                                CPMS operating
                                                                                limit during the
                                                                                period of the
                                                                                initial
                                                                                performance test;
                                                                                or
                                                                          (4) EPA Method 25A  (a) you must
                                                                           in appendix A-7     conduct testing
                                                                           to part 60 of       of emissions at
                                                                           this chapter.       the inlet and
                                                                                outlet of each
                                                                                control device;
                                                                                (b) you may use
                                                                                EPA Method 25A
                                                                                if: an exhaust
                                                                                gas volatile
                                                                                organic matter
                                                                                concentration of
                                                                                50 ppmv or less
                                                                                is required in
                                                                                order to comply
                                                                                with the emission
                                                                                limit; the
                                                                                volatile organic
                                                                                matter
                                                                                concentration at
                                                                                the inlet to the
                                                                                control device
                                                                                and the required
                                                                                level of control
                                                                                are such as to
                                                                                result in exhaust
                                                                                volatile organic
                                                                                matter
                                                                                concentrations of
                                                                                50 ppmv or less;
                                                                                or because of the
                                                                                high control
                                                                                efficiency of the
                                                                                control device,
                                                                                the anticipated
                                                                                volatile organic
                                                                                matter
                                                                                concentration at
                                                                                the control
                                                                                device exhaust is
                                                                                50 ppmv or less,
                                                                                regardless of the
                                                                                inlet
                                                                                concentration;
                                                                                (c) you must
                                                                                conduct testing
                                                                                of emissions from
                                                                                continuous
                                                                                cellulose ether
                                                                                process vents and
                                                                                combinations of
                                                                                batch and
                                                                                continuous
                                                                                cellulose ether
                                                                                process vents at
                                                                                normal operating
                                                                                conditions, as
                                                                                specified in Sec.
                                                                                63.5535;
                                                                                (d) you must
                                                                                conduct testing
                                                                                of emissions from
                                                                                batch cellulose
                                                                                ether process
                                                                                vents as
                                                                                specified in Sec.
                                                                                63.490(c),
                                                                                except that the
                                                                                emission
                                                                                reductions
                                                                                required for
                                                                                process vents
                                                                                under this
                                                                                subpart supersede
                                                                                the emission
                                                                                reductions
                                                                                required for
                                                                                process vents
                                                                                under subpart U
                                                                                of this part;
                                                                                and,
                                                                                (e) you must
                                                                                collect CPMS data
                                                                                during the period
                                                                                of the initial
                                                                                performance test
                                                                                and determine the
                                                                                CPMS operating
                                                                                limit during the
                                                                                period of the
                                                                                initial
                                                                                performance test.
5. each toluene storage vessel..  a. each existing    i. measure toluene  (1) EPA Method 18   (a) if venting to
                                   or new cellophane   emissions.          in appendix A-6     a control device
                                   operation.                              to part 60 of       to reduce
                                                                           this chapter or     emissions, you
                                                                           Method 320 in       must conduct
                                                                           appendix A to       testing of
                                                                           part 63; or.        emissions at the
                                                                                inlet and outlet
                                                                                of each control
                                                                                device;
                                                                                (b) you may use
                                                                                EPA Method 18 or
                                                                                320 to determine
                                                                                the control
                                                                                efficiency of any
                                                                                control device
                                                                                for organic
                                                                                compounds; for a
                                                                                combustion
                                                                                device, you must
                                                                                use only HAP that
                                                                                are present in
                                                                                the inlet to the
                                                                                control device to
                                                                                characterize the
                                                                                percent reduction
                                                                                across the
                                                                                combustion
                                                                                device;
                                                                                (c) you must
                                                                                conduct testing
                                                                                of emissions from
                                                                                continuous
                                                                                storage vessel
                                                                                vents and
                                                                                combinations of
                                                                                batch and
                                                                                continuous
                                                                                storage vessel
                                                                                vents at normal
                                                                                operating
                                                                                conditions, as
                                                                                specified in Sec.
                                                                                63.5535 for
                                                                                continuous
                                                                                process vents;
                                                                                (d) you must
                                                                                conduct testing
                                                                                of emissions from
                                                                                batch storage
                                                                                vessel vents as
                                                                                specified in Sec.
                                                                                63.490(c) for
                                                                                batch process
                                                                                vents, except
                                                                                that the emission
                                                                                reductions
                                                                                required for
                                                                                process vents
                                                                                under this
                                                                                subpart supersede
                                                                                the emission
                                                                                reductions
                                                                                required for
                                                                                process vents
                                                                                under subpart U
                                                                                of this part;
                                                                                and,
                                                                                (e) you must
                                                                                collect CPMS data
                                                                                during the period
                                                                                of the initial
                                                                                compliance
                                                                                demonstration and
                                                                                determine the
                                                                                CPMS operating
                                                                                limit during the
                                                                                period of the
                                                                                initial
                                                                                compliance
                                                                                demonstration; or
                                                                          (2) ASTM D6420-99   (a) if venting to
                                                                           (Reapproved 2010)   a control device
                                                                           (incorporated by    to reduce
                                                                           reference--see      emissions, you
                                                                           Sec.   63.14); or.  must conduct
                                                                                testing of
                                                                                emissions at the
                                                                                inlet and outlet
                                                                                of each control
                                                                                device;

                                                                                (b) you may use
                                                                                ASTM D6420-99
                                                                                (Reapproved 2010)
                                                                                as an alternative
                                                                                to EPA Method 18
                                                                                only where: the
                                                                                target
                                                                                compound(s) are
                                                                                known and are
                                                                                listed in ASTM
                                                                                D6420-99 as
                                                                                measurable; this
                                                                                ASTM should not
                                                                                be used for
                                                                                methane and
                                                                                ethane because
                                                                                their atomic mass
                                                                                is less than 35;
                                                                                ASTM D6420 should
                                                                                never be
                                                                                specified as a
                                                                                total VOC method;
                                                                                (c) you must
                                                                                conduct testing
                                                                                of emissions from
                                                                                continuous
                                                                                storage vessel
                                                                                vents and
                                                                                combinations of
                                                                                batch and
                                                                                continuous
                                                                                storage vessel
                                                                                vents at normal
                                                                                operating
                                                                                conditions, as
                                                                                specified in Sec.
                                                                                63.5535 for
                                                                                continuous
                                                                                process vents;
                                                                                (d) you must
                                                                                conduct testing
                                                                                of emissions from
                                                                                batch storage
                                                                                vessel vents as
                                                                                specified in Sec.
                                                                                63.490(c) for
                                                                                batch process
                                                                                vents, except
                                                                                that the emission
                                                                                reductions
                                                                                required for
                                                                                process vents
                                                                                under this
                                                                                subpart supersede
                                                                                the emission
                                                                                reductions
                                                                                required for
                                                                                process vents
                                                                                under subpart U
                                                                                of this part;
                                                                                and,
                                                                                (e) you must
                                                                                collect CPMS data
                                                                                during the period
                                                                                of the initial
                                                                                compliance
                                                                                demonstration and
                                                                                determine the
                                                                                CPMS operating
                                                                                limit during the
                                                                                period of the
                                                                                initial
                                                                                compliance
                                                                                demonstration.
                                                                          (3) ASTM D6348-     (a) you must
                                                                           12e1.               conduct testing
                                                                                of emissions at
                                                                                the inlet and
                                                                                outlet of each
                                                                                control device;
                                                                                (b) you may use
                                                                                ASTM D6348-12e1
                                                                                as an alternative
                                                                                to EPA Method 320
                                                                                only where the
                                                                                following
                                                                                conditions are
                                                                                met: (1) The test
                                                                                plan preparation
                                                                                and
                                                                                implementation in
                                                                                the Annexes to
                                                                                ASTM D 6348-03,
                                                                                Sections A1
                                                                                through A8 are
                                                                                mandatory; and
                                                                                (2) in ASTM D6348-
                                                                                03 Annex A5
                                                                                (Analyte Spiking
                                                                                Technique), the
                                                                                percent recovery
                                                                                (%R) must be
                                                                                determined for
                                                                                each target
                                                                                analyte (Equation
                                                                                A5.5). In order
                                                                                for the test data
                                                                                to be acceptable
                                                                                for a compound,
                                                                                %R must be
                                                                                greater than or
                                                                                equal to 70
                                                                                percent and less
                                                                                than or equal to
                                                                                130 percent. If
                                                                                the %R value does
                                                                                not meet this
                                                                                criterion for a
                                                                                target compound,
                                                                                the test data are
                                                                                not acceptable
                                                                                for that compound
                                                                                and the test must
                                                                                be repeated for
                                                                                that analyte
                                                                                (i.e., the
                                                                                sampling and/or
                                                                                analytical
                                                                                procedure should
                                                                                be adjusted
                                                                                before a retest).
                                                                                The %R value for
                                                                                each compound
                                                                                must be reported
                                                                                in the test
                                                                                report, and all
                                                                                field
                                                                                measurements must
                                                                                be corrected with
                                                                                the calculated %R
                                                                                value for that
                                                                                compound by using
                                                                                the following
                                                                                equation:
                                                                                Reported Results
                                                                                = ((Measured
                                                                                Concentration in
                                                                                the Stack))/(%R)
                                                                                x 100.
                                                                                (c) you must
                                                                                conduct testing
                                                                                of emissions from
                                                                                continuous
                                                                                solvent coating
                                                                                process vents and
                                                                                combinations of
                                                                                batch and
                                                                                continuous
                                                                                solvent coating
                                                                                process vents at
                                                                                normal operating
                                                                                conditions, as
                                                                                specified in Sec.
                                                                                63.5535;
                                                                                (d) you must
                                                                                conduct testing
                                                                                of emissions from
                                                                                batch solvent
                                                                                coating process
                                                                                vents as
                                                                                specified in Sec.
                                                                                63.490(c),
                                                                                except that the
                                                                                emission
                                                                                reductions
                                                                                required for
                                                                                process vents
                                                                                under this
                                                                                subpart supersede
                                                                                the emission
                                                                                reductions
                                                                                required for
                                                                                process vents
                                                                                under subpart U
                                                                                of this part; and
                                                                                (e) you must
                                                                                collect CPMS data
                                                                                during the period
                                                                                of the initial
                                                                                compliance
                                                                                demonstration and
                                                                                determine the
                                                                                CPMS operating
                                                                                limit during the
                                                                                period of the
                                                                                initial
                                                                                compliance
                                                                                demonstration.
6. the sum of all process vents   a. each existing    i. measure visible  (1) EPA Method 22   (a) you must
 controlled using a flare.         or new affected     emissions.          in appendix A-7     conduct the flare
                                   source.                                 to part 60 of       visible emissions
                                                                           this chapter.       test according to
                                                                                Sec.   63.11(b).
7. equipment leaks..............  a. each existing    i. measure leak     (1) applicable      (a) you must
                                   or new cellulose    rate.               equipment leak      follow all
                                   ether operation.                        test methods in     requirements for
                                                                           Sec.   63.180; or.  the applicable
                                                                                equipment leak
                                                                                test methods in
                                                                                Sec.   63.180; or
                                                                          (2) applicable      (a) you must
                                                                           equipment leak      follow all
                                                                           test methods in     requirements for
                                                                           Sec.   63.1023.     the applicable
                                                                                equipment leak
                                                                                test methods in
                                                                                Sec.   63.1023.

8. all sources of wastewater      a. each existing    i. measure          (1) applicable      (a) You must
 emissions.                        or new cellulose    wastewater HAP      wastewater test     follow all
                                   ether operation.    emissions.          methods and         requirements for
                                                                           procedures in       the applicable
                                                                           Sec.  Sec.          wastewater test
                                                                           63.144 and          methods and
                                                                           63.145; or.         procedures in
                                                                                Sec.  Sec.
                                                                                63.144 and
                                                                                63.145; or
                                                                          (2) applicable      (a) you must
                                                                           wastewater test     follow all
                                                                           methods and         requirements for
                                                                           procedures in       the applicable
                                                                           Sec.  Sec.          waste water test
                                                                           63.144 and          methods and
                                                                           63.145, using       procedures in
                                                                           ASTM D5790-95       Sec.  Sec.
                                                                           (Reapproved 2012)   63.144 and
                                                                           as an alternative   63.145, except
                                                                           to EPA Method 624   that you may use
                                                                           in appendix A to    ASTM D5790-95
                                                                           part 163 of this    (Reapproved 2012)
                                                                           chapter..           as an alternative
                                                                                to EPA Method
                                                                                624, under the
                                                                                condition that
                                                                                this ASTM method
                                                                                be used with the
                                                                                sampling
                                                                                procedures of EPA
                                                                                Method 25D or an
                                                                                equivalent
                                                                                method.
9. any emission point...........  a. each existing    i. conduct a CEMS   (1) applicable      (a) you must
                                   or new affected     performance         requirements in     conduct the CEMS
                                   source using a      evaluation.         Sec.   63.8 and     performance
                                   CEMS to                                 applicable          evaluation during
                                   demonstrate                             performance         the period of the
                                   compliance.                             specification (PS-  initial
                                                                           7, PS-8, PS-9, or   compliance
                                                                           PS-15) in           demonstration
                                                                           appendix B to       according to the
                                                                           part 60 of this     applicable
                                                                           chapter.            requirements in
                                                                                Sec.   63.8 and
                                                                                the applicable
                                                                                performance
                                                                                specification (PS-
                                                                                7, PS-8, PS-9, or
                                                                                PS-15) of 40 CFR
                                                                                part 60, appendix
                                                                                B;
                                                                                (b) you must
                                                                                install, operate,
                                                                                and maintain the
                                                                                CEMS according to
                                                                                the applicable
                                                                                performance
                                                                                specification (PS-
                                                                                7, PS-8, PS-9, or
                                                                                PS-15) of 40 CFR
                                                                                part 60, appendix
                                                                                B; and
                                                                                (c) you must
                                                                                collect CEMS
                                                                                emissions data at
                                                                                the inlet and
                                                                                outlet of each
                                                                                control device
                                                                                during the period
                                                                                of the initial
                                                                                compliance
                                                                                demonstration and
                                                                                determine the
                                                                                CEMS operating
                                                                                limit during the
                                                                                period of the
                                                                                initial
                                                                                compliance
                                                                                demonstration.
----------------------------------------------------------------------------------------------------------------

0
15. Table 5 to Subpart UUUU is revised to read as follows:

Table 5 to Subpart UUUU of Part 63--Continuous Compliance With Emission
Limits and Work Practice Standards

    As required in Sec.  63.5555(a), you must demonstrate continuous
compliance with the appropriate emission limits and work practice
standards according to the requirements in the following table:

----------------------------------------------------------------------------------------------------------------
                                                                   for the following       you must demonstrate
              For . . .                        at . . .          emission limit or work   continuous compliance
                                                                practice standard . . .          by . . .
----------------------------------------------------------------------------------------------------------------
1. the sum of all viscose process      a. each existing or new  i. reduce total          (1) maintaining a
 vents.                                 viscose process          uncontrolled sulfide     material balance that
                                        affected source.         emissions (reported as   includes the pertinent
                                                                 carbon disulfide) by     data used to determine
                                                                 at least the specified   the percent reduction
                                                                 percentage based on a    of total sulfide
                                                                 6-month rolling          emissions;
                                                                 average;.               (2) documenting the
                                                                ii. for each vent         percent reduction of
                                                                 stream that you          total sulfide
                                                                 control using a          emissions using the
                                                                 control device (except   pertinent data from
                                                                 for retractable hoods    the material balance;
                                                                 over sulfuric acid       and
                                                                 baths at a cellophane   (3) complying with the
                                                                 operation), route the    continuous compliance
                                                                 vent stream through a    requirements for
                                                                 closed-vent system to    closed-vent systems.
                                                                 the control device;
                                                                 and.
                                                                iii. comply with the
                                                                 work practice standard
                                                                 for closed-vent
                                                                 systems (except for
                                                                 retractable hoods over
                                                                 sulfuric acid baths at
                                                                 a cellophane
                                                                 operation).
2. the sum of all solvent coating      a. each existing or new  i. reduce uncontrolled   (1) maintaining a
 process vents.                         cellophane operation.    toluene emissions by     material balance that
                                                                 at least 95% based on    includes the pertinent
                                                                 a 6-month rolling        data used to determine
                                                                 average;.                the percent reduction
                                                                ii. for each vent         of toluene emissions;
                                                                 stream that you         (2) documenting the
                                                                 control using a          percent reduction of
                                                                 control device, route    toluene emissions
                                                                 the vent stream          using the pertinent
                                                                 through a closed-vent    data from the material
                                                                 system to the control    balance; and
                                                                 device; and.            (3) complying with the
                                                                iii. comply with the      continuous compliance
                                                                 work practice standard   requirements for
                                                                 for closed-vent          closed-vent systems.
                                                                 systems.
3. the sum of all cellulose ether      a. each existing or new  i. reduce total          (1) complying with the
 process vents.                         cellulose ether          uncontrolled organic     continuous compliance
                                        operation using a        HAP emissions by at      requirements for
                                        performance test to      least 99%;.              closed-vent systems;
                                        demonstrate initial     ii. for each vent         or
                                        compliance; or.          stream that you         (2) if using extended
                                                                 control using a          cookout to comply,
                                                                 control device, route    monitoring reactor
                                                                 the vent stream          charges and keeping
                                                                 through a closed-vent    records to show that
                                                                 system to the control    extended cookout was
                                                                 device; and,.            employed.
                                                                iii. comply with the
                                                                 work practice standard
                                                                 for closed-vent
                                                                 systems; or.

                                       b. each existing or new  i. reduce total          (1) maintaining a
                                        cellulose ether          uncontrolled organic     material balance that
                                        operation using a        HAP emissions by at      includes the pertinent
                                        material balance         least 99% based on a 6-  data used to determine
                                        compliance               month rolling average;.  the percent reduction
                                        demonstration to        ii. for each vent         of total organic HAP
                                        demonstrate initial      stream that you          emissions;
                                        compliance.              control using a         (2) documenting the
                                                                 control device, route    percent reduction of
                                                                 the vent stream          total organic HAP
                                                                 through a closed-vent    emissions using the
                                                                 system to control        pertinent data from
                                                                 device; and.             the material balance;
                                                                iii. comply with the     (3) if using extended
                                                                 work practice standard   cookout to comply,
                                                                 for closed-vent          monitoring reactor
                                                                 systems.                 charges and keeping
                                                                                records to show that
                                                                                extended cookout was
                                                                                employed;
                                                                                (4) complying with the
                                                                                continuous compliance
                                                                                requirements for
                                                                                closed-vent systems.
4. closed-loop systems...............  each existing or new     operate and maintain a   keeping a record
                                        cellulose either         closed-loop system.      certifying that a
                                        operation.                                        closed-loop system is
                                                                                in use for cellulose
                                                                                ether operations.
5. each carbon disulfide unloading     a. each existing or new  i. reduce uncontrolled   (1) keeping a record
 and storage operation.                 viscose process          carbon disulfide         documenting the 83%
                                        affected source.         emissions by at least    reduction in carbon
                                                                 83% based on a 6-month   disulfide emissions;
                                                                 rolling average if you   and (2) if venting to
                                                                 use an alternative       a control device to
                                                                 control technique not    reduce emissions,
                                                                 listed in this table     complying with the
                                                                 for carbon disulfide     continuous compliance
                                                                 unloading and storage    requirements for
                                                                 operations; if using a   closed-vent systems;
                                                                 control device to
                                                                 reduce emissions,
                                                                 route emissions
                                                                 through a closed-vent
                                                                 system to the control
                                                                 device; and comply
                                                                 with the work practice
                                                                 standard for closed-
                                                                 vent systems;.
                                                                ii. reduce total         (1) maintaining a
                                                                 uncontrolled sulfide     material balance that
                                                                 emissions by at least    includes the pertinent
                                                                 0.14% from viscose       data used to determine
                                                                 process vents based on   the percent reduction
                                                                 a 6-month rolling        of total sulfide
                                                                 average; for each vent   emissions;
                                                                 stream that you         (2) documenting the
                                                                 control using a          percent reduction of
                                                                 control device, route    total sulfide
                                                                 the vent stream          emissions using the
                                                                 through a closed-vent    pertinent data from
                                                                 system to the control    the material balance;
                                                                 device; and comply       and
                                                                 with the work practice  (3) complying with the
                                                                 standard for closed-     continuous compliance
                                                                 vent systems;.           requirements for
                                                                                closed-vent systems;
                                                                iii. install a nitrogen  Keeping a record
                                                                 unloading and storage    certifying that a
                                                                 system; or.              nitrogen unloading and
                                                                                storage system is in
                                                                                use; or
                                                                iv. install a nitrogen   (1) keeping a record
                                                                 unloading system;        certifying that a
                                                                 reduce total             nitrogen unloading
                                                                 uncontrolled sulfide     system is in use;
                                                                 emissions by at least   (2) maintaining a
                                                                 0.045% from viscose      material balance that
                                                                 process vents based on   includes the pertinent
                                                                 a 6-month rolling        data used to determine
                                                                 average; for each vent   the percent reduction
                                                                 stream that you          of total sulfide
                                                                 control using a          emissions;
                                                                 control device, route   (3) documenting the
                                                                 the vent stream          percent reduction of
                                                                 through a closed-vent    total sulfide
                                                                 system to the control    emissions using the
                                                                 device; and comply       pertinent data from
                                                                 with the work practice   the material balance;
                                                                 standard for closed-     and
                                                                 vent systems.           (4) complying with the
                                                                                continuous compliance
                                                                                requirements for
                                                                                closed-vent systems.
6. each toluene storage vessel.......  a. each existing or new  a. each existing or new  (1) maintaining a
                                        cellophane operation.    cellophane operation.    material balance that
                                                                                includes the pertinent
                                                                                data used to determine
                                                                                the percent reduction
                                                                                of toluene emissions;
                                                                                (2) documenting the
                                                                                percent reduction of
                                                                                toluene emissions
                                                                                using the pertinent
                                                                                data from the material
                                                                                balance; and
                                                                                (3) if venting to a
                                                                                control device to
                                                                                reduce emissions,
                                                                                complying with the
                                                                                continuous compliance
                                                                                requirements for
                                                                                closed-vent systems.
7. equipment leaks...................  a. each existing or new  i. applicable equipment  complying with the
                                        cellulose ether          leak standards of Sec.   applicable equipment
                                        operation.                Sec.   63.162 through   leak continuous
                                                                 63.179; or.              compliance provisions
                                                                ii. applicable            of Sec.  Sec.   63.162
                                                                 equipment leak           through 63.179; or
                                                                 standards of Sec.       complying with the
                                                                 Sec.   63.1021 through   applicable equipment
                                                                 63.1037.                 leak continuous
                                                                                compliance provisions
                                                                                of Sec.  Sec.
                                                                                63.1021 through
                                                                                63.1037.
8. all sources of wastewater           each existing or new     applicable wastewater    complying with the
 emissions.                             cellulose either         provisions of Sec.       applicable wastewater
                                        operation.               63.105 and Sec.  Sec.    continuous compliance
                                                                  63.132 through          provisions of Sec.
                                                                 63.140..                 Sec.   63.105, 63.143,
                                                                                and 63.148.
9. liquid streams in open systems....  each existing or new     comply with the          conducting inspections,
                                        cellulose ether          applicable provisions    repairing failures,
                                        operation.               of Sec.   63.149,        documenting delay of
                                                                 except that references   repair, and
                                                                 to ``chemical            maintaining records of
                                                                 manufacturing process    failures and
                                                                 unit'' mean              corrective actions
                                                                 ``cellulose ether        according to Sec.
                                                                 process unit'' for the   Sec.   63.133 through
                                                                 purposes of this         63.137.
                                                                 subpart.

10. closed-vent system used to route   each existing or new     conduct annual           conducting the
 emissions to a control device.         affected source.         inspections, repair      inspections, repairing
                                                                 leaks, maintain          leaks, and maintaining
                                                                 records as specified     records according to
                                                                 in Sec.   63.148.        Sec.   63.148.
11. closed-vent system containing a    a. each existing or new  i. install, calibrate,   (1) taking readings
 bypass line that could divert a vent   affected source.         maintain, and operate    from the flow
 stream away from a control device,                              a flow indicator as      indicator at least
 except for equipment needed for                                 specified in Sec.        once every 15 minutes;
 safety purposes (described in Sec.                              63.148(f)(1); or.       (2) maintaining hourly
 63.148(f)(3).                                                                            records of flow
                                                                                indicator operation
                                                                                and detection of any
                                                                                diversion during the
                                                                                hour, and
                                                                                (3) recording all
                                                                                periods when the vent
                                                                                stream is diverted
                                                                                from the control
                                                                                stream or the flow
                                                                                indicator is not
                                                                                operating; or
                                       .......................  ii. secure the bypass    (1) maintaining a
                                                                 line valve in the        record of the monthly
                                                                 closed position with a   visual inspection of
                                                                 car-seal or lock-and-    the seal or closure
                                                                 key type configuration   mechanism for the
                                                                 and inspect the seal     bypass line; and
                                                                 or mechanism at least   (2) recording all
                                                                 once per month as        periods when the seal
                                                                 specified in Sec.        mechanism is broken,
                                                                 63.148(f)(2)..           the bypass line valve
                                                                                position has changed,
                                                                                or the key for a lock-
                                                                                and-key type lock has
                                                                                been checked out.
12. heat exchanger system that cools   a. each existing or new  i. monitor and repair    (1) monitoring for HAP
 process equipment or materials in      affected source.         the heat exchanger       compounds, other
 the process unit.                                               system according to      substances, or
                                                                 Sec.   63.104(a)         surrogate indicators
                                                                 through (e), except      at the frequency
                                                                 that references to       specified in Sec.
                                                                 ``chemical               63.104(b) or (c);
                                                                 manufacturing process   (2) repairing leaks
                                                                 unit'' mean              within the time period
                                                                 ``cellulose food         specified in Sec.
                                                                 casing, rayon,           63.104(d)(1);
                                                                 cellulosic sponge,      (3) confirming that the
                                                                 cellophane, or           repair is successful
                                                                 cellulose ether          as specified in Sec.
                                                                 process unit'' for the   63.104(d)(2);
                                                                 purposes of this        (4) following the
                                                                 subpart.                 procedures in Sec.
                                                                                63.104(e) if you
                                                                                implement delay of
                                                                                repair; and
                                                                                (5) recording the
                                                                                results of inspections
                                                                                and repair according
                                                                                to Sec.
                                                                                63.104(f)(1).
----------------------------------------------------------------------------------------------------------------

0
16. Table 6 to Subpart UUUU is revised to read as follows:

Table 6 to Subpart UUUU of Part 63--Continuous Compliance With
Operating Limits

    As required in Sec.  63.5555(a), you must demonstrate continuous
compliance with the appropriate operating limits according to the
requirements in the following table:

------------------------------------------------------------------------
                                                    you must demonstrate
  For the following control     for the following        continuous
       technique . . .         operating limit . .   compliance by . . .
                                        .
------------------------------------------------------------------------
1. condenser................  maintain the daily    collecting the
                               average condenser     condenser outlet
                               outlet gas or         gas or condensed
                               condensed liquid      liquid temperature
                               temperature no        data according to
                               higher than the       Sec.   63.5545;
                               value established     reducing the
                               during the            condenser outlet
                               compliance            gas temperature
                               demonstration.        data to daily
                                                     averages; and
                                                     maintaining the
                                                     daily average
                                                     condenser outlet
                                                     gas or condensed
                                                     liquid temperature
                                                     no higher than the
                                                     value established
                                                     during the
                                                     compliance
                                                     demonstration.
2. thermal oxidizer.........  a. for normal         collecting the
                               operations,           thermal oxidizer
                               maintain the daily    firebox temperature
                               average thermal       data according to
                               oxidizer firebox      Sec.   63.5545;
                               temperature no        reducing the
                               lower than the        thermal oxidizer
                               value established     firebox temperature
                               during the            data to daily
                               compliance            averages; and
                               demonstration.        maintaining the
                                                     daily average
                                                     thermal oxidizer
                                                     firebox temperature
                                                     no lower than the
                                                     value established
                                                     during the
                                                     compliance
                                                     demonstration.
                              b. for periods of     collecting the
                               startup, maintain     appropriate, site-
                               documentation         specific data
                               demonstrating that    needed to
                               the oxidizer was      demonstrate that
                               properly operating    the oxidizer was
                               (e.g., firebox        properly operating
                               temperature had       prior to emission
                               reached the           unit start up; and
                               setpoint              excluding firebox
                               temperature) prior    temperature from
                               to emission unit      the daily averages
                               startup.              during emission
                                                     unit startup.
3. water scrubber...........  a. for normal         collecting the
                               operations,           scrubber pressure
                               maintain the daily    drop and scrubber
                               average scrubber      liquid flow rate
                               pressure drop and     data according to
                               scrubber liquid       Sec.   63.5545;
                               flow rate within      reducing the
                               the range of values   scrubber parameter
                               established during    data to daily
                               the compliance        averages; and
                               demonstration.        maintaining the
                                                     daily scrubber
                                                     parameter values
                                                     within the range of
                                                     values established
                                                     during the
                                                     compliance
                                                     demonstration.

                              b. for periods of     collecting the
                               startup and           appropriate, site-
                               shutdown, maintain    specific data
                               documentation to      needed to
                               confirm that the      demonstrate that
                               scrubber is           the scrubber was
                               operating properly    operating properly
                               prior to emission     during emission
                               unit startup and      unit startup and
                               continues to          emission unit
                               operate properly      shutdown; and
                               until emission unit   excluding
                               shutdown is           parameters from the
                               complete.             daily average
                               Appropriate startup   calculations.
                               and shutdown
                               operating
                               parameters may be
                               based on equipment
                               design,
                               manufacturer's
                               recommendations, or
                               other site-specific
                               operating values
                               established for
                               normal operating
                               periods.
4. caustic scrubber.........  a. for normal         collecting the
                               operations,           scrubber pressure
                               maintain the daily    drop, scrubber
                               average scrubber      liquid flow rate,
                               pressure drop,        and scrubber liquid
                               scrubber liquid       pH, conductivity,
                               flow rate, and        or alkalinity data
                               scrubber liquid pH,   according to Sec.
                               conductivity, or      63.5545; reducing
                               alkalinity within     the scrubber
                               the range of values   parameter data to
                               established during    daily averages; and
                               the compliance        maintaining the
                               demonstration.        daily scrubber
                                                     parameter values
                                                     within the range of
                                                     values established
                                                     during the
                                                     compliance
                                                     demonstration.
                              b. for periods of     collecting the
                               startup and           appropriate, site-
                               shutdown, maintain    specific data
                               documentation to      needed to
                               confirm that the      demonstrate that
                               scrubber is           the scrubber was
                               operating properly    operating properly
                               prior to emission     during emission
                               unit startup and      unit startup and
                               continues to          emission unit
                               operate properly      shutdown; and
                               until emission unit   excluding
                               shutdown is           parameters from the
                               complete.             daily average
                               Appropriate startup   calculations.
                               and shutdown
                               operating
                               parameters may be
                               based on equipment
                               design,
                               manufacturer's
                               recommendations, or
                               other site-specific
                               operating values
                               established for
                               normal operating
                               periods.
5. flare....................  maintain the          collecting the pilot
                               presence of a pilot   flame data
                               flame.                according to Sec.
                                                     63.5545; and
                                                     maintaining the
                                                     presence of the
                                                     pilot flame.
6. biofilter................  maintain the daily    collecting the
                               average biofilter     biofilter inlet gas
                               inlet gas             temperature,
                               temperature,          biofilter effluent
                               biofilter effluent    pH or conductivity,
                               pH or conductivity,   and biofilter
                               and pressure drop     pressure drop data
                               within the values     according to Sec.
                               established during    63.5545; reducing
                               the compliance        the biofilter
                               demonstration.        parameter data to
                                                     daily averages; and
                                                     maintaining the
                                                     daily biofilter
                                                     parameter values
                                                     within the values
                                                     established during
                                                     the compliance
                                                     demonstration.
7. carbon absorber..........  maintain the          collecting the data
                               regeneration          on regeneration
                               frequency, total      frequency, total
                               regeneration stream   regeneration stream
                               mass or volumetric    mass or volumetric
                               flow during carbon    flow during carbon
                               bed regeneration      bed regeneration
                               and temperature of    and temperature of
                               the carbon bed        the carbon bed
                               after regeneration    after regeneration
                               (and within 15        (and within 15
                               minutes of            minutes of
                               completing any        completing any
                               cooling cycle(s))     cooling cycle(s))
                               for each              for each
                               regeneration cycle    regeneration cycle
                               within the values     according to Sec.
                               established during    63.5545; and
                               the compliance        maintaining carbon
                               demonstration.        absorber parameter
                                                     values for each
                                                     regeneration cycle
                                                     within the values
                                                     established during
                                                     the compliance
                                                     demonstration.
8. oil absorber.............  maintain the daily    collecting the
                               average absorption    absorption liquid
                               liquid flow,          flow, absorption
                               absorption liquid     liquid temperature,
                               temperature, and      and steam flow data
                               steam flow within     according to Sec.
                               the values            63.5545; reducing
                               established during    the oil absorber
                               the compliance        parameter data to
                               demonstration.        daily averages; and
                                                     maintaining the
                                                     daily oil absorber
                                                     parameter values
                                                     within the values
                                                     established during
                                                     the compliance
                                                     demonstration.
9. any of the control         if using a CEMS,      collecting CEMS
 techniques specified in       maintain the daily    emissions data at
 this table.                   average control       the inlet and
                               efficiency for each   outlet of each
                               control device no     control device
                               lower than the        according to Sec.
                               value established     63.5545;
                               during the            determining the
                               compliance            control efficiency
                               demonstration.        values for each
                                                     control device
                                                     using the inlet and
                                                     outlet CEMS
                                                     emissions data;
                                                     reducing the
                                                     control efficiency
                                                     values for each
                                                     control device to
                                                     daily averages; and
                                                     maintaining the
                                                     daily average
                                                     control efficiency
                                                     for each control
                                                     device no lower
                                                     than the value
                                                     established during
                                                     the compliance
                                                     demonstration.
------------------------------------------------------------------------

0
17. Table 7 to Subpart UUUU is revised to read as follows:

Table 7 to Subpart UUUU of Part 63--Notifications

    As required in Sec. Sec.  63.5490(c)(4), 63.5530(c), 63.5575, and
63.5595(b), you must submit the appropriate notifications specified in
the following table:

------------------------------------------------------------------------
              If you . . .                     then you must . . .
------------------------------------------------------------------------
1. are required to conduct a             submit a notification of intent
 performance test.                        to conduct a performance test
                                          at least 60 calendar days
                                          before the performance test is
                                          scheduled to begin, as
                                          specified in Sec.  Sec.
                                          63.7(b)(1) and 63.9(e).

2. are required to conduct a CMS         submit a notification of intent
 performance evaluation.                  to conduct a CMS performance
                                          evaluation at least 60
                                          calendar days before the CMS
                                          performance evaluation is
                                          scheduled to begin, as
                                          specified in Sec.  Sec.
                                          63.8(e)(2) and 63.9(g).
3. wish to use an alternative            submit a request to use
 monitoring method.                       alternative monitoring method
                                          no later than the notification
                                          of the initial performance
                                          test or CMS performance
                                          evaluation or 60 days prior to
                                          any other initial compliance
                                          demonstration, as specified in
                                          Sec.   63.8(f)(4).
4. start up your affected source before  submit an initial notification
 June 11, 2002.                           no later than 120 days after
                                          June 11, 2002, as specified in
                                          Sec.   63.9(b)(2).
5. start up your new or reconstructed    submit an initial notification
 source on or after June 11, 2002.        no later than 120 days after
                                          you become subject to this
                                          subpart, as specified in Sec.
                                           63.9(b)(3).
6. cannot comply with the relevant       submit a request for extension
 standard by the applicable compliance    of compliance no later than
 date.                                    120 days before the compliance
                                          date, as specified in Sec.
                                          Sec.   63.9(c) and 63.6(i)(4).
7. are subject to special requirements   notify the Administrator of
 as specified in Sec.   63.6(b)(3) and    your compliance obligations no
 (4).                                     later than the initial
                                          notification dates established
                                          in Sec.   63.9(b) for new
                                          sources not subject to the
                                          special provisions, as
                                          specified in Sec.   63.9(d).
8. are required to conduct visible       notify the Administrator of the
 emission observations to determine the   anticipated date for
 compliance of flares as specified in     conducting the observations
 Sec.   63.11(b)(4).                      specified in Sec.
                                          63.6(h)(5), as specified in
                                          Sec.  Sec.   63.6(h)(4) and
                                          63.9(f).
9. are required to conduct a             a. submit a Notification of
 performance test or other initial        Compliance Status Report, as
 compliance demonstration as specified    specified in Sec.   63.9(h);
 in Table 3 to this subpart.             b. submit the Notification of
                                          Compliance Status Report,
                                          including the performance
                                          test, CEMS performance
                                          evaluation, and any other
                                          initial compliance
                                          demonstration results within
                                          240 calendar days following
                                          the compliance date specified
                                          in Sec.   63.5495; and
                                         c. beginning on [DATE 180 DAYS
                                          AFTER DATE OF PUBLICATION OF
                                          FINAL RULE IN THE FEDERAL
                                          REGISTER], submit all
                                          subsequent Notifications of
                                          Compliance Status following
                                          the procedure specified in
                                          Sec.   63.5580(g), (j), and
                                          (k).
10. comply with the equipment leak       comply with the notification
 requirements of subpart H of this part   requirements specified in Sec.
 for existing or new cellulose ether        63.182(a)(1) and (2), (b),
 affected sources.                        and (c)(1) through (3) for
                                          equipment leaks, with the
                                          Notification of Compliance
                                          Status Reports required in
                                          subpart H included in the
                                          Notification of Compliance
                                          Status Report required in this
                                          subpart.
11. comply with the equipment leak       comply with the notification
 requirements of subpart UU of this       requirements specified in Sec.
 part for existing or new cellulose         63.1039(a) for equipment
 ether affected sources.                  leaks, with the Notification
                                          Compliance Status Reports
                                          required in subpart UU of this
                                          part included in the
                                          Notification of Compliance
                                          Status Report required in this
                                          subpart.
12. comply with the wastewater           comply with the notification
 requirements of subparts F and G of      requirements specified in Sec.
 this part for existing or new             Sec.   63.146(a) and (b),
 cellulose ether affected sources.        63.151, and 63.152(a)(1)
                                          through (3) and (b)(1) through
                                          (5) for wastewater, with the
                                          Notification of Compliance
                                          Status Reports required in
                                          subpart G of this part
                                          included in the Notification
                                          of Compliance Status Report
                                          required in this subpart.
------------------------------------------------------------------------

0
18. Table 8 to Subpart UUUU is revised to read as follows:

Table 8 to Subpart UUUU of Part 63--Reporting Requirements

    As required in Sec.  63.5580, you must submit the appropriate
reports specified in the following table:

------------------------------------------------------------------------
You must submit a compliance report, which
must contain the following information . .     and you must submit the
                     .                              report . . .
------------------------------------------------------------------------
1. if there are no deviations from any      semiannually as specified in
 emission limit, operating limit, or work    Sec.   63.5580(b);
 practice standard during the reporting      beginning on [DATE 180 DAYS
 period, then the report must contain the    AFTER PUBLICATION OF FINAL
 information specified in Sec.               RULE IN THE FEDERAL
 63.5580(c);.                                REGISTER], submit all
                                             subsequent reports
                                             following the procedure
                                             specified in Sec.
                                             63.5580(g).
2. if there were no periods during which
 the CMS was out-of-control, then the
 report must contain the information
 specified in Sec.   63.5580(c)(6);.
3. if there is a deviation from any
 emission limit, operating limit, or work
 practice standard during the reporting
 period, then the report must contain the
 information specified in Sec.
 63.5580(c) and (d);.
4. if there were periods during which the
 CMS was out-of-control, then the report
 must contain the information specified in
 Sec.   63.5580(e);.
5. if prior to [DATE 180 DAYS AFTER
 PUBLICATION OF FINAL RULE IN THE Federal
 Register], you had a startup, shutdown,
 or malfunction during the reporting
 period and you took actions consistent
 with your SSM plan, then the report must
 contain the information specified in Sec.
   63.10(d)(5)(i);.

6. if prior to [DATE 180 DAYS AFTER
 PUBLICATION OF FINAL RULE IN THE FEDERAL
 REGISTER], you had a startup, shutdown,
 or malfunction during the reporting
 period and you took actions that are not
 consistent with your SSM plan, then the
 report must contain the information
 specified in Sec.   63.10(d)(5)(ii);.
7. the report must contain any change in
 information already provided, as
 specified in Sec.   63.9(j);.
8. for cellulose ether affected sources
 complying with the equipment leak
 requirements of subpart H of this part,
 the report must contain the information
 specified in Sec.   63.182(a)(3) and (6)
 and (d)(2) through (4);.
9. for cellulose ether affected sources
 complying with the equipment leak
 requirements of subpart UU of this part,
 the report must contain the information
 specified in Sec.   63.1039(b);.
10. for cellulose ether affected sources
 complying with the wastewater
 requirements of subparts F and G of this
 part, the report must contain the
 information specified in Sec.  Sec.
 63.146(c) through (e) and 63.152(a)(4)
 and (5) and (c) through (e);.
11. for affected sources complying with
 the closed-vent system provisions in Sec.
   63.148, the report must contain the
 information specified in Sec.
 63.148(j)(1);.
12. for affected sources complying with
 the bypass line provisions in Sec.
 63.148(f), the report must contain the
 information specified in Sec.
 63.148(j)(2) and (3);.
13. for affected sources invoking the
 delay of repair provisions in Sec.
 63.104(e) for heat exchanger systems, the
 next compliance report must contain the
 information in Sec.   63.104(f)(2)(i)
 through (iv); if the leak remains
 unrepaired, the information must also be
 submitted in each subsequent compliance
 report until the repair of the leak is
 reported; and.
14. for storage vessels subject to the
 emission limits and work practice
 standards in Table 1 to Subpart UUUU, the
 report must contain the periods of
 planned routine maintenance during which
 the control device does not comply with
 the emission limits or work practice
 standards in Table 1 to this subpart.
------------------------------------------------------------------------

0
19. Table 9 to Subpart UUUU is revised to read as follows:

Table 9 to Subpart UUUU of Part 63--Recordkeeping Requirements

    As required in Sec.  63.5585, you must keep the appropriate records
specified in the following table:

------------------------------------------------------------------------
                                  then you must keep   and the record(s)
      If you operate . . .               . . .        must contain . . .
------------------------------------------------------------------------
1. an existing or new affected    a copy of each      all documentation
 source.                           notification and    supporting any
                                   report that you     Initial
                                   submitted to        Notification or
                                   comply with this    Notification of
                                   subpart.            Compliance Status
                                                       Report that you
                                                       submitted,
                                                       according to the
                                                       requirements in
                                                       Sec.
                                                       63.10(b)(2)(xiv),
                                                       and any
                                                       compliance report
                                                       required under
                                                       this subpart.
2. an existing or new affected    a. the records in   i. SSM plan;
 source that commenced             Sec.               ii. when actions
 construction or reconstruction    63.6(e)(3)(iii)     taken during a