Water Quality Data New Projects DRAFT August 2002 East 1 HH East 1 HL East 1 LH East 1 LL East 2 HH East 2 HM East 2 HL East 2 MH East 2 MM East 2 ML East 2 LH East 2 LM East 2 LL East 2 LV East 2 LX Water/ Well 69,877 199,118 16,735 137,089 93,422 102,308 154,735 120,379 121,533 123,732 10,594 123,007 172,991 194,578 261,585 Max Water/ project ( bbls/ y 448,090 1,584,351 127,714 514,196 434,023 827,657 1,195,792 350,475 473,422 670,844 220,489 183,881 566,797 647,871 717,055 Total Wells 8 10 3 7 6 8 10 5 5 11 3 3 4 8 6 TDS 513 513 513 513 550 550 550 550 550 550 550 550 550 550 550 Ca 29 29 29 29 28 28 28 28 28 28 28 28 28 28 28 Mg 11.2 11.2 11.2 11.2 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0 Na 166 166 166 166 180 180 180 180 180 180 180 180 180 180 180 SAR 6.7 6.7 6.7 6.7 7.4 7.4 7.4 7.4 7.4 7.4 7.4 7.4 7.4 7.4 7.4 Water Quality Data New Projects DRAFT August 2002 Water/ Well Max Water/ project ( bbls/ y Total Wells TDS Ca Mg Na SAR Central HH Central HM Central HL Central MH Central MM Central ML Central LH Central LM Central LL Central LV 122,116 98,284 130,140 75,751 84,316 111,385 103,270 13,191 49,746 80,108 842,555 819,817 1,298,784 225,674 520,907 515,379 805,223 104,170 253,836 206,135 7 12 18 5 10 10 8 3 7 9 879 879 879 879 879 879 879 879 879 879 44 44 44 44 44 44 44 44 44 44 18.9 18.9 18.9 18.9 18.9 18.9 18.9 18.9 18.9 18.9 291 291 291 291 291 291 291 291 291 291 9.5 9.5 9.5 9.5 9.5 9.5 9.5 9.5 9.5 9.5 Water Quality Data New Projects DRAFT August 2002 Water/ Well Max Water/ project ( bbls/ y Total Wells TDS Ca Mg Na SAR West 1 HH West 1 HL West 1 LH West 1 LL West 2 HH West 2 HL West 2 LH West 2 LL West 3MT HHWest 3MT HLWest 3MT LHWest 3MT LLWest 3WY HHWest 3WY HLWest 3WY LHWest 3WY LL 41,376 57,404 17,163 29,110 79,025 63,683 35,234 57,126 119,053 160,181 74,206 244,275 119,053 160,181 74,206 244,275 724,650 491,710 102,604 223,144 1,027,325 658,345 221,194 338,397 1,785,793 4,004,519 927,581 4,885,501 1,785,793 4,004,519 927,581 5,885,501 19 13 10 12 16 14 10 6 15 23 12 15 15 23 12 15 1226 1226 1226 1226 1627 1627 1627 1627 1767 1767 1767 1767 1767 1767 1767 1767 24 24 24 24 27 27 27 27 22 22 22 22 22 22 22 22 11.6 11.6 11.6 11.6 13.9 13.9 13.9 13.9 12.7 12.7 12.7 12.7 12.7 12.7 12.7 12.7 502 502 502 502 633 633 633 633 694 694 694 694 694 694 694 694 21.4 21.4 21.4 21.4 25.1 25.1 25.1 25.1 29.3 29.3 29.3 29.3 29.3 29.3 29.3 29.3 Water Quality Data New Projects DRAFT August 2002 Water/ Well Max Water/ project ( bbls/ y Total Wells TDS Ca Mg Na SAR L Ion Exchange Cost Effluent TDS 500 ppm DRAFT March 2004 Parameter Unit Value East 1 HH East 1 HL East 1 LH East 1 LL East 2 HH East 2 HM East 2 HL Option Specifications Maximum flow bbls/ yr 3,200,792 5,689,832 907,632 1,987,235 1,269,624 1,534,288 4,251,638 Flow ( 24 hpd, 365 dpy) bpd 8,769 15,589 2,487 5,444 3,478 4,204 11,648 Influent TDS ppm 513 513 513 513 550 550 550 Desired final TDS ppm 500 Assumptions Effluent TDS ppm 495 495 495 495 495 495 495 Volume Capacity bpd 68570 68570 68570 68570 45700 45700 45700 Influent TDS ( if different)

Costs Total cost per barrel $/ bbls 0.03 0.03 0.03 0.03 0.035 0.035 0.035 % O& M cost 0.786 0.786 0.786 0.786 0.786 0.786 0.786 % capital cost 0.214 0.214 0.214 0.214 0.214 0.214 0.214 O& M cost per barrel $/ bbls 0.024 0.024 0.024 0.024 0.028 0.028 0.028 Capital cost per barrel $/ bbls 0.006 0.006 0.006 0.006 0.007 0.007 0.007 Ion Exchange Cost Effluent TDS 500 ppm DRAFT March 2004 Parameter Unit Value Option Specifications Maximum flow bbls/ yr Flow ( 24 hpd, 365 dpy) bpd Influent TDS ppm Desired final TDS ppm 500 Assumptions Effluent TDS ppm Volume Capacity bpd Influent TDS ( if different)

Costs Total cost per barrel $/ bbls % O& M cost % capital cost O& M cost per barrel $/ bbls Capital cost per barrel $/ bbls East 2 MH East 2 MM East 2 ML East 2 LH East 2 LM East 2 LL East 2 LV 847,785 1,500,308 1,979,364 781,186 839,941 839,941 1,251,222 2,323 4,110 5,423 2,140 2,301 2,301 3,428 550 550 550 550 550 550 550 495 495 495 495 495 495 495 45700 45700 45700 45700 45700 45700 45700 0.035 0.035 0.035 0.035 0.035 0.035 0.035 0.786 0.786 0.786 0.786 0.786 0.786 0.786 0.214 0.214 0.214 0.214 0.214 0.214 0.214 0.028 0.028 0.028 0.028 0.028 0.028 0.028 0.007 0.007 0.007 0.007 0.007 0.007 0.007 Ion Exchange Cost Effluent TDS 500 ppm DRAFT March 2004 Parameter Unit Value Option Specifications Maximum flow bbls/ yr Flow ( 24 hpd, 365 dpy) bpd Influent TDS ppm Desired final TDS ppm 500 Assumptions Effluent TDS ppm Volume Capacity bpd Influent TDS ( if different)

Costs Total cost per barrel $/ bbls % O& M cost % capital cost O& M cost per barrel $/ bbls Capital cost per barrel $/ bbls East 2 LX Central HH Central HM Central HL Central MH Central MM Central ML 1,257,842 4,008,426 4,137,563 4,290,806 1,032,258 1,204,185 1,665,704 3,446 10,982 11,336 11,756 2,828 3,299 4,564 550 879 879 879 879 879 879 495 550 550 550 550 550 550 45700 15240 15240 15240 15240 15240 15240 959 959 959 959 959 959 0.035 0.08 0.08 0.08 0.08 0.08 0.08 0.786 0.786 0.786 0.786 0.786 0.786 0.786 0.214 0.214 0.214 0.214 0.214 0.214 0.214 0.028 0.063 0.063 0.063 0.063 0.063 0.063 0.007 0.017 0.017 0.017 0.017 0.017 0.017 Ion Exchange Cost Effluent TDS 500 ppm DRAFT March 2004 Parameter Unit Value Option Specifications Maximum flow bbls/ yr Flow ( 24 hpd, 365 dpy) bpd Influent TDS ppm Desired final TDS ppm 500 Assumptions Effluent TDS ppm Volume Capacity bpd Influent TDS ( if different)

Costs Total cost per barrel $/ bbls % O& M cost % capital cost O& M cost per barrel $/ bbls Capital cost per barrel $/ bbls Central LH Central LM Central LL Central LV West 1 HH West 1 HL West 1 LH 438,109 663,730 396,354 1,004,067 902,043 3,076,912 881,806 1,200 1,818 1,086 2,751 2,471 8,430 2,416 879 879 879 879 1,226 1,226 1,226 550 550 550 550 450 450 450 15240 15240 15240 15240 9465 9465 9465 959 959 959 959 0.08 0.08 0.08 0.08 0.14 0.14 0.14 0.786 0.786 0.786 0.786 0.786 0.786 0.786 0.214 0.214 0.214 0.214 0.214 0.214 0.214 0.063 0.063 0.063 0.063 0.110 0.110 0.110 0.017 0.017 0.017 0.017 0.030 0.030 0.030 Ion Exchange Cost Effluent TDS 500 ppm DRAFT March 2004 Parameter Unit Value Option Specifications Maximum flow bbls/ yr Flow ( 24 hpd, 365 dpy) bpd Influent TDS ppm Desired final TDS ppm 500 Assumptions Effluent TDS ppm Volume Capacity bpd Influent TDS ( if different)

Costs Total cost per barrel $/ bbls % O& M cost % capital cost O& M cost per barrel $/ bbls Capital cost per barrel $/ bbls West 1 LL West 2 HH West 2 HL West 2 LH West 2 LL West 3MT HH West 3MT HL 1,396,359 652,935 1,026,521 249,600 907,725 515,047 757,762 3,826 1,789 2,812 684 2,487 1,411 2,076 1,226 1,627 1,627 1,627 1,627 1,767 1,767 450 460 460 460 460 475 475 9465 7310 7310 7310 7310 6235 6235 0.14 0.185 0.185 0.185 0.185 0.21 0.21 0.786 0.786 0.786 0.786 0.786 0.786 0.786 0.214 0.214 0.214 0.214 0.214 0.214 0.214 0.110 0.145 0.145 0.145 0.145 0.165 0.165 0.030 0.040 0.040 0.040 0.040 0.045 0.045 Ion Exchange Cost Effluent TDS 500 ppm DRAFT March 2004 Parameter Unit Value Option Specifications Maximum flow bbls/ yr Flow ( 24 hpd, 365 dpy) bpd Influent TDS ppm Desired final TDS ppm 500 Assumptions Effluent TDS ppm Volume Capacity bpd Influent TDS ( if different)

Costs Total cost per barrel $/ bbls % O& M cost % capital cost O& M cost per barrel $/ bbls Capital cost per barrel $/ bbls West 3MT LH West 3MT LL West 3WY HH West 3WY HL West 3WY LH West 3WY LL 705,338 875,227 411,572 932,604 163,544 455,225 1,932 2,398 1,128 2,555 448 1,247 1,767 1,767 1,767 1,767 1,767 1,767 475 475 475 475 475 475 6235 6235 6235 6235 6235 6235 0.21 0.21 0.21 0.21 0.21 0.21 0.786 0.786 0.786 0.786 0.786 0.786 0.214 0.214 0.214 0.214 0.214 0.214 0.165 0.165 0.165 0.165 0.165 0.165 0.045 0.045 0.045 0.045 0.045 0.045 Ion Exchange Costs Effluent TDS 750 ppm DRAFT March 2004 Parameter Unit Value East 1 HH East 1 HL East 1 LH East 1 LL East 2 HH East 2 HM East 2 HL East 2 MH Option Specifications Maximum flow bbls/ yr 3,200,792 5,689,832 907,632 1,987,235 1,269,624 1,534,288 4,251,638 847,785 Flow ( 24 hpd, 365 dpy) bpd 8,769 15,589 2,487 5,444 3,478 4,204 11,648 2,323 Influent TDS ppm 513 513 513 513 550 550 550 550 Desired final TDS ppm 750 Assumptions Effluent TDS ppm Volume Capacity bpd Influent TDS ( if different)

Costs Total cost per barrel $/ bbls 0 0 0 0 0 0 0 0 % O& M cost 0.786 0.786 0.786 0.786 0.786 0.786 0.786 0.786 % capital cost 0.214 0.214 0.214 0.214 0.214 0.214 0.214 0.214 O& M cost per barrel $/ bbls 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 Capital cost per barrel $/ bbls 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 Ion Exchange Costs Effluent TDS 750 ppm DRAFT March 2004 Parameter Unit Value Option Specifications Maximum flow bbls/ yr Flow ( 24 hpd, 365 dpy) bpd Influent TDS ppm Desired final TDS ppm 750 Assumptions Effluent TDS ppm Volume Capacity bpd Influent TDS ( if different)

Costs Total cost per barrel $/ bbls % O& M cost % capital cost O& M cost per barrel $/ bbls Capital cost per barrel $/ bbls East 2 MM East 2 ML East 2 LH East 2 LM East 2 LL East 2 LV East 2 LX Central HH 1,500,308 1,979,364 781,186 839,941 839,941 1,251,222 1,257,842 4,008,426 4,110 5,423 2,140 2,301 2,301 3,428 3,446 10,982 550 550 550 550 550 550 550 879 550 15240 959 0 0 0 0 0 0 0 0.08 0.786 0.786 0.786 0.786 0.786 0.786 0.786 0.786 0.214 0.214 0.214 0.214 0.214 0.214 0.214 0.214 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.063 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.017 Ion Exchange Costs Effluent TDS 750 ppm DRAFT March 2004 Parameter Unit Value Option Specifications Maximum flow bbls/ yr Flow ( 24 hpd, 365 dpy) bpd Influent TDS ppm Desired final TDS ppm 750 Assumptions Effluent TDS ppm Volume Capacity bpd Influent TDS ( if different)

Costs Total cost per barrel $/ bbls % O& M cost % capital cost O& M cost per barrel $/ bbls Capital cost per barrel $/ bbls Central HM Central HL Central MH Central MM Central ML Central LH Central LM 4,137,563 4,290,806 1,032,258 1,204,185 1,665,704 438,109 663,730 11,336 11,756 2,828 3,299 4,564 1,200 1,818 879 879 879 879 879 879 879 550 550 550 550 550 550 550 15240 15240 15240 15240 15240 15240 15240 959 959 959 959 959 959 959 0.08 0.08 0.08 0.08 0.08 0.08 0.08 0.786 0.786 0.786 0.786 0.786 0.786 0.786 0.214 0.214 0.214 0.214 0.214 0.214 0.214 0.063 0.063 0.063 0.063 0.063 0.063 0.063 0.017 0.017 0.017 0.017 0.017 0.017 0.017 Ion Exchange Costs Effluent TDS 750 ppm DRAFT March 2004 Parameter Unit Value Option Specifications Maximum flow bbls/ yr Flow ( 24 hpd, 365 dpy) bpd Influent TDS ppm Desired final TDS ppm 750 Assumptions Effluent TDS ppm Volume Capacity bpd Influent TDS ( if different)

Costs Total cost per barrel $/ bbls % O& M cost % capital cost O& M cost per barrel $/ bbls Capital cost per barrel $/ bbls Central LL Central LV West 1 HH West 1 HL West 1 LH West 1 LL West 2 HH 396,354 1,004,067 902,043 3,076,912 881,806 1,396,359 652,935 1,086 2,751 2,471 8,430 2,416 3,826 1,789 879 879 1,226 1,226 1,226 1,226 1,627 550 550 690 690 690 690 775 15240 15240 13500 13500 13500 13500 9975 959 959 0.08 0.08 0.1 0.1 0.1 0.1 0.14 0.786 0.786 0.786 0.786 0.786 0.786 0.786 0.214 0.214 0.214 0.214 0.214 0.214 0.214 0.063 0.063 0.079 0.079 0.079 0.079 0.110 0.017 0.017 0.021 0.021 0.021 0.021 0.030 Ion Exchange Costs Effluent TDS 750 ppm DRAFT March 2004 Parameter Unit Value Option Specifications Maximum flow bbls/ yr Flow ( 24 hpd, 365 dpy) bpd Influent TDS ppm Desired final TDS ppm 750 Assumptions Effluent TDS ppm Volume Capacity bpd Influent TDS ( if different)

Costs Total cost per barrel $/ bbls % O& M cost % capital cost O& M cost per barrel $/ bbls Capital cost per barrel $/ bbls West 2 HL West 2 LH West 2 LL West 3MT HH West 3MT HL West 3MT LH 1,026,521 249,600 907,725 515,047 757,762 705,338 2,812 684 2,487 1,411 2,076 1,932 1,627 1,627 1,627 1,767 1,767 1,767 775 775 775 770 770 770 9975 9975 9975 8000 8000 8000 0.14 0.14 0.14 0.175 0.175 0.175 0.786 0.786 0.786 0.786 0.786 0.786 0.214 0.214 0.214 0.214 0.214 0.214 0.110 0.110 0.110 0.138 0.138 0.138 0.030 0.030 0.030 0.037 0.037 0.037 Ion Exchange Costs Effluent TDS 750 ppm DRAFT March 2004 Parameter Unit Value Option Specifications Maximum flow bbls/ yr Flow ( 24 hpd, 365 dpy) bpd Influent TDS ppm Desired final TDS ppm 750 Assumptions Effluent TDS ppm Volume Capacity bpd Influent TDS ( if different)

Costs Total cost per barrel $/ bbls % O& M cost % capital cost O& M cost per barrel $/ bbls Capital cost per barrel $/ bbls West 3MT LL West 3WY HH West 3WY HL West 3WY LH West 3WY LL 875,227 411,572 932,604 163,544 455,225 2,398 1,128 2,555 448 1,247 1,767 1,767 1,767 1,767 1,767 770 770 770 770 770 8000 8000 8000 8000 8000 0.175 0.175 0.175 0.175 0.175 0.786 0.786 0.786 0.786 0.786 0.214 0.214 0.214 0.214 0.214 0.138 0.138 0.138 0.138 0.138 0.037 0.037 0.037 0.037 0.037 Ion Exchange Costs Effluent TDS 1000 ppm DRAFT March 2004 Parameter Unit Value East 1 HH East 1 HL East 1 LH East 1 LL East 2 HH East 2 HM East 2 HL Option Specifications Maximum flow bbls/ yr 3,200,792 5,689,832 907,632 1,987,235 1,269,624 1,534,288 4,251,638 Flow ( 24 hpd, 365 dpy) bpd 8,769 15,589 2,487 5,444 3,478 4,204 11,648 Influent TDS ppm 513 513 513 513 550 550 550 Desired final TDS ppm 1000 Assumptions Effluent TDS ppm Volume Capacity bpd Influent TDS ( if different)

Costs Total cost per barrel $/ bbls 0 0 0 0 0 0 0 % O& M cost 0.786 0.786 0.786 0.786 0.786 0.786 0.786 % capital cost 0.214 0.214 0.214 0.214 0.214 0.214 0.214 O& M cost per barrel $/ bbls 0.000 0.000 0.000 0.000 0.000 0.000 0.000 Capital cost per barrel $/ bbls 0.000 0.000 0.000 0.000 0.000 0.000 0.000 Ion Exchange Costs Effluent TDS 1000 ppm DRAFT March 2004 Parameter Unit Value Option Specifications Maximum flow bbls/ yr Flow ( 24 hpd, 365 dpy) bpd Influent TDS ppm Desired final TDS ppm 1000 Assumptions Effluent TDS ppm Volume Capacity bpd Influent TDS ( if different)

Costs Total cost per barrel $/ bbls % O& M cost % capital cost O& M cost per barrel $/ bbls Capital cost per barrel $/ bbls East 2 MH East 2 MM East 2 ML East 2 LH East 2 LM East 2 LL East 2 LV East 2 LX 847,785 1,500,308 1,979,364 781,186 839,941 839,941 1,251,222 1,257,842 2,323 4,110 5,423 2,140 2,301 2,301 3,428 3,446 550 550 550 550 550 550 550 550 0 0 0 0 0 0 0 0 0.786 0.786 0.786 0.786 0.786 0.786 0.786 0.786 0.214 0.214 0.214 0.214 0.214 0.214 0.214 0.214 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 Ion Exchange Costs Effluent TDS 1000 ppm DRAFT March 2004 Parameter Unit Value Option Specifications Maximum flow bbls/ yr Flow ( 24 hpd, 365 dpy) bpd Influent TDS ppm Desired final TDS ppm 1000 Assumptions Effluent TDS ppm Volume Capacity bpd Influent TDS ( if different)

Costs Total cost per barrel $/ bbls % O& M cost % capital cost O& M cost per barrel $/ bbls Capital cost per barrel $/ bbls Central HH Central HM Central HL Central MH Central MM Central ML Central LH 4,008,426 4,137,563 4,290,806 1,032,258 1,204,185 1,665,704 438,109 10,982 11,336 11,756 2,828 3,299 4,564 1,200 879 879 879 879 879 879 879 0 0 0 0 0 0 0 0.786 0.786 0.786 0.786 0.786 0.786 0.786 0.214 0.214 0.214 0.214 0.214 0.214 0.214 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 Ion Exchange Costs Effluent TDS 1000 ppm DRAFT March 2004 Parameter Unit Value Option Specifications Maximum flow bbls/ yr Flow ( 24 hpd, 365 dpy) bpd Influent TDS ppm Desired final TDS ppm 1000 Assumptions Effluent TDS ppm Volume Capacity bpd Influent TDS ( if different)

Costs Total cost per barrel $/ bbls % O& M cost % capital cost O& M cost per barrel $/ bbls Capital cost per barrel $/ bbls Central LM Central LL Central LV West 1 HH West 1 HL West 1 LH West 1 LL West 2 HH 663,730 396,354 1,004,067 902,043 3,076,912 881,806 1,396,359 652,935 1,818 1,086 2,751 2,471 8,430 2,416 3,826 1,789 879 879 879 1,226 1,226 1,226 1,226 1,627 800 800 800 800 900 17140 17140 17140 17140 11430 0 0 0 0.08 0.08 0.08 0.08 0.125 0.786 0.786 0.786 0.786 0.786 0.786 0.786 0.786 0.214 0.214 0.214 0.214 0.214 0.214 0.214 0.214 0.000 0.000 0.000 0.063 0.063 0.063 0.063 0.098 0.000 0.000 0.000 0.017 0.017 0.017 0.017 0.027 Ion Exchange Costs Effluent TDS 1000 ppm DRAFT March 2004 Parameter Unit Value Option Specifications Maximum flow bbls/ yr Flow ( 24 hpd, 365 dpy) bpd Influent TDS ppm Desired final TDS ppm 1000 Assumptions Effluent TDS ppm Volume Capacity bpd Influent TDS ( if different)

Costs Total cost per barrel $/ bbls % O& M cost % capital cost O& M cost per barrel $/ bbls Capital cost per barrel $/ bbls West 2 HL West 2 LH West 2 LL West 3MT HH West 3MT HL West 3MT LH 1,026,521 249,600 907,725 515,047 757,762 705,338 2,812 684 2,487 1,411 2,076 1,932 1,627 1,627 1,627 1,767 1,767 1,767 900 900 900 875 875 875 11430 11430 11430 9050 9050 9050 0.125 0.125 0.125 0.155 0.155 0.155 0.786 0.786 0.786 0.786 0.786 0.786 0.214 0.214 0.214 0.214 0.214 0.214 0.098 0.098 0.098 0.122 0.122 0.122 0.027 0.027 0.027 0.033 0.033 0.033 Ion Exchange Costs Effluent TDS 1000 ppm DRAFT March 2004 Parameter Unit Value Option Specifications Maximum flow bbls/ yr Flow ( 24 hpd, 365 dpy) bpd Influent TDS ppm Desired final TDS ppm 1000 Assumptions Effluent TDS ppm Volume Capacity bpd Influent TDS ( if different)

Costs Total cost per barrel $/ bbls % O& M cost % capital cost O& M cost per barrel $/ bbls Capital cost per barrel $/ bbls West 3MT LLWest 3WY HHWest 3WY HL West 3WY LH West 3WY LL 875,227 411,572 932,604 163,544 455,225 2,398 1,128 2,555 448 1,247 1,767 1,767 1,767 1,767 1,767 875 875 875 875 875 9050 9050 9050 9050 9050 0.155 0.155 0.155 0.155 0.155 0.786 0.786 0.786 0.786 0.786 0.214 0.214 0.214 0.214 0.214 0.122 0.122 0.122 0.122 0.122 0.033 0.033 0.033 0.033 0.033 Ion Exchange Costs Effluent TDS 1500 ppm DRAFT March 2004 Parameter Unit Value East 1 HH East 1 HL East 1 LH East 1 LL East 2 HH East 2 HM East 2 HL East 2 MH East 2 MM East 2 ML Option Specifications Maximum flow bbls/ yr 3,200,792 5,689,832 907,632 1,987,235 1,269,624 1,534,288 4,251,638 847,785 1,500,308 1,979,364 Flow ( 24 hpd, 365 dpy) bpd 8,769 15,589 2,487 5,444 3,478 4,204 11,648 2,323 4,110 5,423 Influent TDS ppm 513 513 513 513 550 550 550 550 550 550 Desired final TDS ppm 1500 Assumptions Effluent TDS ppm Volume Capacity bpd Costs Total cost per barrel $/ bbls 0 0 0 0 0 0 0 0 0 0 % O& M cost 0.786 0.786 0.786 0.786 0.786 0.786 0.786 0.786 0.786 0.786 % capital cost 0.214 0.214 0.214 0.214 0.214 0.214 0.214 0.214 0.214 0.214 O& M cost per barrel $/ bbls 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 Capital cost per barrel $/ bbls 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 Ion Exchange Costs Effluent TDS 1500 ppm DRAFT March 2004 Parameter Unit Value Option Specifications Maximum flow bbls/ yr Flow ( 24 hpd, 365 dpy) bpd Influent TDS ppm Desired final TDS ppm 1500 Assumptions Effluent TDS ppm Volume Capacity bpd Costs Total cost per barrel $/ bbls % O& M cost % capital cost O& M cost per barrel $/ bbls Capital cost per barrel $/ bbls East 2 LH East 2 LM East 2 LL East 2 LV East 2 LX Central HH Central HM Central HL Central MH 781,186 839,941 839,941 1,251,222 1,257,842 4,008,426 4,137,563 4,290,806 1,032,258 2,140 2,301 2,301 3,428 3,446 10,982 11,336 11,756 2,828 550 550 550 550 550 879 879 879 879 0 0 0 0 0 0 0 0 0 0.786 0.786 0.786 0.786 0.786 0.786 0.786 0.786 0.786 0.214 0.214 0.214 0.214 0.214 0.214 0.214 0.214 0.214 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 Ion Exchange Costs Effluent TDS 1500 ppm DRAFT March 2004 Parameter Unit Value Option Specifications Maximum flow bbls/ yr Flow ( 24 hpd, 365 dpy) bpd Influent TDS ppm Desired final TDS ppm 1500 Assumptions Effluent TDS ppm Volume Capacity bpd Costs Total cost per barrel $/ bbls % O& M cost % capital cost O& M cost per barrel $/ bbls Capital cost per barrel $/ bbls Central MM Central ML Central LH Central LM Central LL Central LV West 1 HH West 1 HL West 1 LH 1,204,185 1,665,704 438,109 663,730 396,354 1,004,067 902,043 3,076,912 881,806 3,299 4,564 1,200 1,818 1,086 2,751 2,471 8,430 2,416 879 879 879 879 879 879 1,226 1,226 1,226 0 0 0 0 0 0 0 0 0 0.786 0.786 0.786 0.786 0.786 0.786 0.786 0.786 0.786 0.214 0.214 0.214 0.214 0.214 0.214 0.214 0.214 0.214 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 Ion Exchange Costs Effluent TDS 1500 ppm DRAFT March 2004 Parameter Unit Value Option Specifications Maximum flow bbls/ yr Flow ( 24 hpd, 365 dpy) bpd Influent TDS ppm Desired final TDS ppm 1500 Assumptions Effluent TDS ppm Volume Capacity bpd Costs Total cost per barrel $/ bbls % O& M cost % capital cost O& M cost per barrel $/ bbls Capital cost per barrel $/ bbls West 1 LL West 2 HH West 2 HL West 2 LH West 2 LL West 3MT HH West 3MT HL West 3MT LH 1,396,359 652,935 1,026,521 249,600 907,725 515,047 757,762 705,338 3,826 1,789 2,812 684 2,487 1,411 2,076 1,932 1,226 1,627 1,627 1,627 1,627 1,767 1,767 1,767 900 900 900 900 875 875 875 11430 11430 11430 11430 9050 9050 9050 0 0.125 0.125 0.125 0.125 0.155 0.155 0.155 0.786 0.786 0.786 0.786 0.786 0.786 0.786 0.786 0.214 0.214 0.214 0.214 0.214 0.214 0.214 0.214 0.000 0.098 0.098 0.098 0.098 0.122 0.122 0.122 0.000 0.027 0.027 0.027 0.027 0.033 0.033 0.033 Ion Exchange Costs Effluent TDS 1500 ppm DRAFT March 2004 Parameter Unit Value Option Specifications Maximum flow bbls/ yr Flow ( 24 hpd, 365 dpy) bpd Influent TDS ppm Desired final TDS ppm 1500 Assumptions Effluent TDS ppm Volume Capacity bpd Costs Total cost per barrel $/ bbls % O& M cost % capital cost O& M cost per barrel $/ bbls Capital cost per barrel $/ bbls West 3MT LL West 3WY HH West 3WY HL West 3WY LH West 3WY LL 875,227 411,572 932,604 163,544 455,225 2,398 1,128 2,555 448 1,247 1,767 1,767 1,767 1,767 1,767 875 875 875 875 875 9050 9050 9050 9050 9050 0.155 0.155 0.155 0.155 0.155 0.786 0.786 0.786 0.786 0.786 0.214 0.214 0.214 0.214 0.214 0.122 0.122 0.122 0.122 0.122 0.033 0.033 0.033 0.033 0.033