Date

(mm/dd)Time

(HH:MM)Operator

Code Flow In (gal)Tur In

(NTU)pH In Flow Out (gal)Flow Out

(gpm)Tur Out

(NTU)pH Out Flow Rec (gal)Tur Rec

(NTU)
9/2515:00 0 2411 9.9 7.63 2388 477 2.2 7.77 121 1.9 9/2514:45 0 7732 10.2 7.67 5401 449 2.7 7.77 1322 6.1 9/2514:30 0 6838 10.2 7.68 7099 472 1.9 7.79 0 0.0 9/2514:15 0 6825 10.5 7.71 7054 472 2.0 7.81 0 0.0 9/2514:00 0 6820 10.6 7.75 7090 472 2.1 7.83 0 0.0 9/2513:45 0 6852 10.6 7.76 7106 474 2.1 7.82 0 0.0 9/2513:30 0 6876 10.6 7.75 7154 476 2.1 7.82 0 0.0 9/2513:15 0 6909 11.0 7.76 7170 478 2.2 7.84 0 0.0 9/2513:00 0 6937 11.1 7.78 6688 477 2.6 7.86 482 5.3 9/2512:45 0 7735 12.0 7.81 5666 453 2.6 7.91 1081 6.4 9/2512:30 0 6833 12.2 7.87 7077 472 2.3 7.95 0 0.0 9/2512:15 0 6836 12.3 7.94 7127 475 2.4 7.98 0 0.0 9/2512:00 0 6849 11.1 7.96 7131 475 2.4 7.97 0 0.0 9/2511:45 0 6927 12.0 7.93 7166 479 2.4 7.95 0 0.0 9/2511:30 0 6936 11.9 7.90 7219 481 2.5 7.93 0 0.0 9/2511:15 0 7005 12.2 7.89 7267 483 2.6 7.89 0 0.0 9/2511:00 0 7509 11.8 7.90 3377 482 2.7 7.82 3695 4.4 9/2510:45 0 3019 12.2 7.81 0 0 2397 5.2 9/2510:00 0 2724 10.1 7.77 count 19 4.75hrs

DAILY SUMMARY: Gallons discharged109,180 9,098

118,278NTU min 1.9

NTU max 2.7

Flow weighted average turbidity 2.3

pH min 7.77 pH max 7.98 Sea-Tac Airport 3rd Runway - Pond C System 1 PLC Data -Sept 2007Date

(mm/dd)Time

(HH:MM)Operator

Code Flow In (gal)Tur In

(NTU)pH In Flow Out (gal)Flow Out

(gpm)Tur Out

(NTU)pH Out Flow Rec (gal)Tur Rec

(NTU)

9/26 15:00 0 4401 12.1 7.44 4490 462 1.6 7.59 35 1.6 9/26 14:45 0 6640 10.6 7.60 6926 462 1.5 7.58 0 0.0 9/26 14:30 0 6666 9.6 7.59 6933 463 1.4 7.57 0 0.0 9/26 14:15 0 6708 9.0 7.57 6977 464 1.4 7.55 0 0.0 9/26 14:00 0 6781 9.0 7.56 6994 466 1.4 7.54 0 0.0 9/26 13:45 0 6741 9.0 7.56 7019 467 1.5 7.53 0 0.0 9/26 13:30 0 6782 9.1 7.56 7020 467 1.5 7.53 0 0.0 9/26 13:15 0 7654 9.1 7.54 5327 443 2.4 7.53 1271 6.6 9/26 13:00 0 6696 9.0 7.56 6967 463 1.4 7.53 0 0.0 9/26 12:45 0 6692 9.0 7.56 6961 464 1.4 7.53 0 0.0 9/26 12:30 0 6712 9.0 7.56 6959 465 1.4 7.52 0 0.0 9/26 12:15 0 6757 9.1 7.54 6964 465 1.4 7.50 0 0.0 9/26 12:00 0 6747 9.5 7.53 6973 466 1.4 7.49 0 0.0 9/26 11:45 0 6811 9.5 7.51 7037 469 1.5 7.49 0 0.0 9/26 11:30 0 6780 9.5 7.50 7023 468 1.5 7.48 0 0.0 9/26 11:15 0 6793 9.6 7.49 7018 469 1.5 7.48 0 0.0 9/26 11:00 0 7347 9.7 7.47 6037 456 2.1 7.47 774 7.8 9/26 10:45 0 6769 9.6 7.49 7023 468 1.5 7.47 0 0.0 9/26 10:30 0 6785 8.9 7.47 7045 469 1.5 7.42 0 0.0 9/26 10:15 0 6805 9.2 7.36 7070 472 1.6 7.34 0 0.0 9/26 10:00 0 6291 15.0 6.84 5583 473 1.7 7.07 958 3.6 9/26 9:00 0 95 0.0 3.80 0 0 94 0.0 count 22 5.5hrs

DAILY SUMMARY: Gallons discharged140,346 3,132

143,478NTU min 1.4

NTU max 2.4

Flow weighted average turbidity 1.5

pH min 7.07 pH max 7.59 Sea-Tac Airport 3rd Runway - Pond C System 1 PLC Data -Sept 2007Date

(mm/dd)Time

(HH:MM)Operator

Code Flow In (gal)Tur In

(NTU)pH In Flow Out (gal)Flow Out

(gpm)Tur Out

(NTU)pH Out Flow Rec (gal)Tur Rec

(NTU)

9/27 14:45 12 5581 18.6 7.65 5781 471 2.7 7.64 0 2.9 9/27 14:30 12 6821 18.6 7.65 7075 471 2.7 7.64 0 0.0 9/27 14:15 12 6855 18.5 7.65 7088 473 2.7 7.63 0 0.0 9/27 14:00 12 6792 18.7 7.65 7007 467 2.8 7.63 0 0.0 9/27 13:45 12 6717 18.7 7.65 6846 465 3.1 7.61 122 5.0 9/27 13:30 12 7522 19.5 7.63 3096 442 2.9 7.60 3390 8.2 9/27 13:15 12 6584 17.7 7.62 6844 455 2.3 7.59 0 0.0 9/27 13:00 12 6659 17.7 7.60 6908 461 2.3 7.58 0 0.0 9/27 12:45 12 6711 17.8 7.60 6979 465 2.3 7.57 0 0.0 9/27 12:30 12 6709 18.1 7.59 6907 461 2.3 7.57 0 0.0 9/27 12:15 12 6734 17.8 7.58 6991 464 2.3 7.56 0 0.0 9/27 12:00 12 6742 17.7 7.58 6961 464 2.2 7.55 0 0.0 9/27 11:45 12 6699 17.0 7.58 6946 463 2.2 7.55 0 0.0 9/27 11:30 12 6789 16.5 7.57 7014 468 2.1 7.55 0 0.0 9/27 11:15 12 6854 15.5 7.57 7060 471 2.1 7.54 0 0.0 9/27 11:00 12 7141 14.5 7.56 6694 462 2.6 7.53 210 5.6 9/27 10:45 12 8435 12.6 7.54 4463 426 3.1 7.52 1904 5.7 9/27 10:30 12 8464 12.4 7.52 4365 425 3.1 7.50 2014 5.6 9/27 10:15 12 8423 12.5 7.50 4504 429 3.0 7.49 1919 5.6 9/27 10:00 12 8392 12.4 7.49 4487 428 3.0 7.49 1899 5.8 9/27 9:45 12 8453 11.5 7.48 4074 429 3.0 7.48 2359 5.8 9/27 9:30 12 8464 10.6 7.44 3959 429 3.0 7.44 2443 6.8 9/27 9:15 12 5335 9.2 7.15 2829 455 1.4 7.31 2311 2.8 count 23 5.75hrs

DAILY SUMMARY: Gallons discharged134,878 18,571

153,449NTU min 1.4

NTU max 3.1

Flow weighted average turbidity 2.5

pH min 7.31 pH max 7.64 Sea-Tac Airport 3rd Runway - Pond C System 1 PLC Data -Sept 2007Date

(mm/dd)Time

(HH:MM)Operator

Code Flow In (gal)Tur In

(NTU)pH In Flow Out (gal)Flow Out

(gpm)Tur Out

(NTU)pH Out Flow Rec (gal)Tur Rec

(NTU)

9/2814:30 12 7075 15.5 7.69 5260 466 3.6 7.70 1679 6.0 9/2814:15 12 7478 15.5 7.68 5672 463 3.2 7.69 1165 7.7 9/2814:00 12 7164 15.6 7.68 4813 469 3.5 7.69 2071 6.7 9/2813:45 12 7375 15.7 7.67 5538 461 2.9 7.68 1245 8.5 9/2813:30 12 6870 15.5 7.66 7092 472 2.7 7.68 0 0.0 9/2813:15 12 6860 16.0 7.66 7105 475 2.8 7.67 0 0.0 9/2813:00 12 6549 16.2 7.62 6310 476 2.9 7.65 464 3.2 9/2812:15 12 2066 16.1 7.65 1047 466 4.0 7.63 1078 6.6 9/2812:00 12 7606 16.4 7.64 3831 453 2.6 7.61 2659 11.2 9/2811:45 12 6721 16.0 7.64 6930 463 2.3 7.59 0 0.0 9/2811:30 12 6733 15.9 7.62 7021 467 2.2 7.57 0 0.0 9/2811:15 12 6770 14.9 7.60 6979 465 2.0 7.53 0 0.0 9/2811:00 12 6781 13.4 7.58 7001 466 1.9 7.43 0 0.0 9/2810:45 12 6435 11.8 7.44 6185 469 2.0 7.25 470 2.9 9/2810:30 12 906 21.5 6.68 117 462 3.7 6.79 778 4.5 count 15 3.75hrs

DAILY SUMMARY: Gallons discharged80,901 11,609

92,510NTU min 1.9 NTU max 4.0

Flow weighted average turbidity 2.6

pH min 6.79 pH max 7.70 Sea-Tac Airport 3rd Runway - Pond C System 1 PLC Data -Sept 2007pH Rec

7.11 7.78 0.00 0.00 0.00 0.00 0.00 0.00 7.88 7.89 0.00 0.00 0.00 0.00 0.00 0.00 7.73 7.74

Average pressurepH Rec

7.60 0.00 0.00 0.00 0.00 0.00 0.00 7.53 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 7.47 0.00 0.00 0.00 6.08 4.41 Average pressurepH Rec

7.65 0.00 0.00 0.00 7.61 7.61 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 7.52 7.52 7.50 7.49 7.49 7.48 7.43 7.09 Average pressurepH Rec

7.70 7.69 7.68 7.68 0.00 0.00 7.61 7.63 7.62 0.00 0.00 0.00 0.00 6.91 6.63 Average pressureDate

(mm/dd)Time

(HH:MM)Operator

Code Flow In (gal)Tur In

(NTU)pH In Flow Out (gal)Flow Out

(gpm)Tur Out

(NTU)pH Out Flow Rec (gal)Tur Rec

(NTU)

9/2814:30 0 8073 13.5 7.78 7641 547 3.3 7.72 547 5.8 9/2814:15 0 9139 13.9 7.76 6464 516 3.4 7.58 1196 6.6 9/2814:00 0 8098 14.0 7.74 7512 546 3.2 7.71 683 5.9 9/2813:45 0 8977 14.0 7.70 6064 514 3.1 7.57 1534 7.3 9/2813:30 0 8026 14.0 7.69 8148 544 2.6 7.70 0 0.0 9/2813:15 0 8050 13.8 7.66 8183 546 2.6 7.75 0 0.0 9/2813:00 0 8076 13.7 7.66 8220 549 2.6 7.79 0 0.0 9/2812:45 0 1394 18.9 7.64 950 545 3.1 7.70 445 3.3 9/2812:00 0 7962 13.1 7.75 8109 548 2.3 7.66 0 2.4 9/2811:45 0 7937 12.3 7.73 8070 538 2.3 7.69 0 0.0 9/2811:30 0 7181 11.1 7.74 6692 462 2.5 7.73 233 5.2 9/2811:15 0 9199 10.3 7.73 3787 409 3.4 7.72 2356 6.2 9/2811:00 0 9145 9.7 7.73 3838 403 3.4 7.73 2180 6.5 9/2810:45 0 8949 10.0 7.37 4175 453 3.4 7.60 2615 12.7 count 14 3.5hrs

DAILY SUMMARY: Gallons discharged87,853 11789

99,642NTU min 2.3 NTU max 3.4

Flow weighted average turbidity 2.9

pH min 7.57 pH max 7.79 Sea-Tac Airport 3rd Runway - Pond C System 2 PLC Data - Sept 2007pH Rec

7.76 7.59 7.76 7.54 0.00 0.00 0.00 7.42 7.63 0.00 7.76 7.73 7.72 7.24 Average pressureDate

(mm/dd)Time

(HH:MM)Operator

Code Flow In (gal)Tur In

(NTU)pH In Flow Out (gal)Flow Out

(gpm)Tur Out

(NTU)pH Out Flow Rec (gal)Tur Rec

(NTU)pH Rec

9/21 14:30 0 1867 11.2 8.29 1288 399 2.8 8.27 72 3.9 8.27 9/21 14:15 0 8123 11.2 8.29 6051 404 2.8 8.27 0 0.0 0.00 9/21 14:00 0 8089 11.2 8.27 6046 403 2.8 8.25 0 0.0 0.00 9/21 13:45 0 8173 11.3 8.25 6057 403 2.8 8.24 0 0.0 0.00 9/21 13:30 0 8091 12.0 8.24 6089 406 3.0 8.24 0 0.0 0.00 9/21 13:15 0 8125 12.2 8.24 5799 407 3.2 8.24 304 5.2 8.24 9/21 13:00 0 8186 12.6 8.23 3835 404 3.3 8.25 2237 4.9 8.26 9/21 12:45 0 8127 12.8 8.25 0 0 6127 6.1 8.28 9/21 12:30 0 8114 13.1 8.30 0 0 6078 6.4 8.31 9/21 12:15 0 8140 13.4 8.36 0 0 6117 6.3 8.36 9/21 12:00 0 8009 12.4 8.49 0 0 5831 6.7 8.43 9/21 11:45 0 7569 8.3 8.65 0 0 4502 6.4 8.43 9/21 11:30 0 7666 8.0 8.21 0 0 4747 6.4 8.34 9/21 11:15 0 7768 7.8 7.83 0 0 5139 6.8 8.09 9/21 11:00 0 8215 7.2 7.79 0 0 6305 5.6 7.65 9/21 10:45 0 6684 13.0 8.11 0 0 4846 9.9 7.03 0 count 17 4.25hrs

DAILY SUMMARY: Gallons discharged35,165 52305

87,470NTU min 2.8 NTU max 3.3

Flow weighted average turbidity 3.0

pH min 8.24 pH max 8.27

Date (mm/dd)Time

(HH:MM)Operator

Code Flow In (gal)Tur In

(NTU)pH In Flow Out (gal)Flow Out

(gpm)Tur Out

(NTU)pH Out Flow Rec (gal)Tur Rec

(NTU)pH Rec

9/2414:45 16 6067 12.9 8.33 2545 486 4.0 8.36 2360 5.5 8.36 9/2414:30 16 9355 12.7 8.33 3892 474 4.0 8.35 3203 5.8 8.35 9/2414:15 16 8261 12.9 8.29 7600 524 3.0 8.34 233 6.4 8.34 Sea-Tac Airport 3rd Runway - Pond G System 1 PLC Data - Sept 2007

Average pressure

Sea-Tac Airport 3rd Runway - Pond G System 1 PLC Data - Sept 20079/2414:00 16 8022 13.0 8.30 8063 538 3.0 8.34 0 0.0 0.00

9/2413:45 16 8609 13.2 8.28 5581 520 3.6 8.35 2109 5.8 8.36 9/2413:30 16 9387 13.1 8.31 3722 480 4.1 8.38 3435 5.9 8.38 9/2413:15 16 9375 12.0 8.37 3802 478 3.9 8.41 3314 5.8 8.41 9/2413:00 16 9388 11.2 8.39 4370 473 3.8 8.41 2722 5.9 8.41 9/2412:45 16 9258 11.1 8.38 3480 479 3.9 8.41 3725 6.1 8.41 9/2412:30 16 9389 11.1 8.37 3829 477 3.9 8.40 3299 6.1 8.40 9/2412:15 16 8783 11.2 8.36 3432 416 3.9 8.39 2902 6.2 8.39 9/2412:00 16 8398 11.7 8.33 3466 396 3.9 8.39 2470 6.4 8.38 9/2411:45 16 8381 12.1 8.33 3177 397 3.9 8.38 2755 6.3 8.38 9/2411:30 16 8416 12.6 8.32 2875 398 3.9 8.39 3057 6.6 8.39 9/2411:15 16 8428 12.6 8.34 3444 393 3.9 8.42 2466 6.5 8.42 9/2411:00 16 8406 9.8 8.41 3470 396 3.6 8.43 2464 6.4 8.42 9/2410:45 16 8424 9.1 8.42 2271 396 3.6 8.41 3664 5.1 8.38 9/2410:30 0 8441 8.2 8.38 0 0 5920 3.8 8.27 9/2410:15 0 8360 8.4 8.21 0 0 5955 3.9 8.01 9/2410:00 0 2792 11.0 7.03 0 0 2428 3.8 7.03 count 20 5hrs

DAILY SUMMARY: Gallons discharged69,019 58481

127,500NTU min 3.0

NTU max 4.1

Flow weighted average turbidity 3.7

pH min 8.34 pH max 8.43

Date (mm/dd)Time

(HH:MM)Operator

Code Flow In (gal)Tur In

(NTU)pH In Flow Out (gal)Flow Out

(gpm)Tur Out

(NTU)pH Out Flow Rec (gal)Tur Rec

(NTU)pH Rec

9/2515:00 16 1339 10.5 7.83 1210 539 2.0 7.88 149 2.1 7.87 9/2514:45 16 8020 10.6 7.82 8152 543 2.0 7.88 0 0.0 0.00 9/2514:30 16 8104 10.7 7.83 7553 540 2.5 7.89 540 5.6 7.90 9/2514:15 16 8649 10.8 7.84 5898 513 2.3 7.92 1653 6.4 7.90 9/2514:00 16 7952 10.8 7.87 8018 535 2.0 7.93 0 0.0 0.00 9/2513:45 16 7961 11.2 7.86 8037 536 2.1 7.93 0 0.0 0.00 9/2513:30 16 7982 11.1 7.84 8082 539 2.1 7.93 0 0.0 0.00 9/2513:15 16 8034 11.1 7.66 8121 541 2.2 7.94 0 0.0 0.00 9/2513:00 16 8044 12.0 7.74 8120 542 2.2 7.98 0 0.0 0.00 9/2512:45 16 8044 12.1 7.95 8128 542 2.4 8.02 0 0.0 0.00 9/2512:30 16 8706 12.4 7.99 5334 509 3.2 8.06 2174 6.3 8.06 Sea-Tac Airport 3rd Runway - Pond G System 1 PLC Data - Sept 2007 Average pressure9/2512:15 16 7848 12.1 8.05 7934 529 2.3 8.10 0 0.0 0.00

9/2512:00 16 7875 11.8 8.09 7979 532 2.3 8.10 0 0.0 0.00 9/2511:45 16 7913 12.1 8.10 8006 534 2.4 8.10 0 0.0 0.00 9/2511:30 16 7958 12.2 8.08 8065 538 2.4 8.12 0 0.0 0.00 9/2511:15 16 8022 12.3 8.08 8091 539 2.4 8.15 0 0.0 0.00 9/2511:00 16 7961 11.8 7.91 8061 538 2.5 8.16 0 0.0 0.00 9/2510:45 16 7969 12.1 7.98 8081 538 2.5 8.16 0 0.0 0.00 9/2510:30 16 8043 12.5 7.93 8124 541 2.6 8.17 0 0.0 0.00 9/2510:15 16 8025 12.3 7.93 8124 541 2.6 8.18 0 0.0 0.00 9/2510:00 16 8026 10.8 8.07 8150 543 2.7 8.13 0 0.0 0.00 9/25 9:45 16 8637 10.5 7.81 5399 512 3.4 7.78 2114 5.2 7.65 count 22 5.5hrs

DAILY SUMMARY: Gallons discharged162,667 6630

169,297NTU min 2.0

NTU max 3.4

Flow weighted average turbidity 2.4

pH min 7.78 pH max 8.18

Date (mm/dd)Time

(HH:MM)Operator

Code Flow In (gal)Tur In

(NTU)pH In Flow Out (gal)Flow Out

(gpm)Tur Out

(NTU)pH Out Flow Rec (gal)Tur Rec

(NTU)pH Rec

9/2615:00 16 5183 10.8 7.60 5135 540 1.6 7.69 135 3.2 7.70 9/2614:45 16 7954 10.3 7.60 8086 539 1.6 7.69 0 0.0 0.00 9/2614:30 16 7992 9.1 7.59 8107 540 1.5 7.68 0 0.0 0.00 9/2614:15 16 7996 9.2 7.58 8127 542 1.5 7.67 0 0.0 0.00 9/2614:00 16 8013 9.0 7.57 8166 544 1.5 7.66 0 0.0 0.00 9/2613:45 16 8071 9.1 7.56 8194 547 1.6 7.66 0 0.0 0.00 9/2613:30 16 8679 9.3 7.56 5639 524 2.6 7.65 2079 6.3 7.64 9/2613:15 16 8050 9.2 7.56 7957 530 1.5 7.65 0 0.0 0.00 9/2613:00 16 7957 9.2 7.56 8069 538 1.5 7.65 0 0.0 0.00 9/2612:45 16 7980 9.5 7.57 8068 538 1.5 7.65 0 0.0 0.00 9/2612:30 16 7954 9.3 7.57 8089 539 1.5 7.64 0 0.0 0.00 9/2612:15 16 7985 9.5 7.56 8112 541 1.5 7.63 0 0.0 0.00 9/2612:00 16 8013 9.6 7.55 8126 543 1.6 7.63 0 0.0 0.00 9/2611:45 16 8065 9.6 7.54 8183 546 1.6 7.62 0 0.0 0.00 9/2611:30 16 8053 9.6 7.55 8205 547 1.6 7.62 0 0.0 0.00 9/2611:15 16 8045 9.5 7.55 8182 546 1.7 7.63 0 0.0 0.00 9/2611:00 16 8710 9.8 7.56 5293 516 2.6 7.63 2327 6.4 7.62 9/2610:45 16 7929 9.4 7.58 8078 539 1.6 7.63 0 0.0 0.00 Average pressure

Sea-Tac Airport 3rd Runway - Pond G System 1 PLC Data - Sept 20079/2610:30 16 7983 9.2 7.56 8118 540 1.6 7.60 0 0.0 0.00

9/2610:15 16 8005 9.4 7.53 8154 543 1.6 7.58 0 0.0 0.00 9/2610:00 16 8030 9.5 7.49 8183 544 1.6 7.53 0 0.0 0.00 9/26 9:45 16 8024 9.6 7.36 8170 544 1.6 7.42 0 0.0 0.00 9/26 9:30 16 4900 11.2 6.83 2595 545 1.8 7.12 2391 2.6 6.46 count 23 5.75hrs

DAILY SUMMARY: Gallons discharged173,036 6932

179,968NTU min 1.5

NTU max 2.6

Flow weighted average turbidity 1.6

pH min 7.12 pH max 7.69

Date (mm/dd)Time

(HH:MM)Operator

Code Flow In (gal)Tur In

(NTU)pH In Flow Out (gal)Flow Out

(gpm)Tur Out

(NTU)pH Out Flow Rec (gal)Tur Rec

(NTU)pH Rec

9/2714:45 16 5267 18.7 7.64 5110 539 3.2 7.70 233 4.9 7.71 9/2714:30 16 7979 19.4 7.64 8086 540 3.2 7.69 0 0.0 0.00 9/2714:15 16 8015 19.0 7.64 8133 542 3.1 7.69 0 0.0 0.00 9/2714:00 16 8029 19.3 7.64 8125 542 3.0 7.68 0 0.0 0.00 9/2713:45 16 8003 18.8 7.63 8126 542 3.0 7.68 0 0.0 0.00 9/2713:30 16 8015 18.7 7.63 7453 541 3.2 7.67 678 5.9 7.66 9/2713:15 16 8649 17.8 7.62 3136 525 2.7 7.64 4350 9.3 7.65 9/2713:00 16 7863 17.7 7.61 8000 532 2.7 7.64 0 0.0 0.00 9/2712:45 16 7974 17.9 7.60 8047 537 2.6 7.63 0 0.0 0.00 9/2712:30 16 8023 18.1 7.59 8142 543 2.6 7.63 0 0.0 0.00 9/2712:15 16 8033 17.8 7.59 8147 543 2.6 7.62 0 0.0 0.00 9/2712:00 16 8068 17.6 7.59 8191 546 2.6 7.62 0 0.0 0.00 9/2711:45 16 8658 17.1 7.58 3891 538 3.3 7.61 3818 7.2 7.61 9/2711:30 16 8078 15.9 7.56 7584 533 2.2 7.60 350 7.0 7.60 9/2711:15 16 7977 14.9 7.55 8082 539 2.0 7.59 0 0.0 0.00 9/2711:00 16 7993 13.3 7.55 8124 540 1.8 7.58 0 0.0 0.00 9/2710:45 16 7988 12.0 7.54 8121 541 1.7 7.57 0 0.0 0.00 9/2710:30 16 8085 12.0 7.52 8147 543 1.7 7.55 0 0.0 0.00 9/2710:15 16 8134 12.0 7.52 8180 547 1.8 7.54 0 0.0 0.00 9/2710:00 16 8804 12.0 7.52 4926 519 2.8 7.51 2703 6.8 7.52 9/27 9:45 16 7984 11.1 7.53 8089 540 1.5 7.49 0 0.0 0.00 9/27 9:30 16 8063 10.2 7.53 8136 542 1.4 7.43 0 0.0 0.00 9/27 9:15 16 8042 8.1 7.40 7991 542 1.3 7.26 135 1.5 7.07 9/27 9:00 16 3497 16.2 6.85 0 0 3506 3.2 6.83 Average pressure

Sea-Tac Airport 3rd Runway - Pond G System 1 PLC Data - Sept 2007count 24 6hrs

DAILY SUMMARY: Gallons discharged169,967 15773

185,740NTU min 1.3

NTU max 3.3

Flow weighted average turbidity 2.4

pH min 7.26 pH max 7.70

Date (mm/dd)Time

(HH:MM)Operator

Code Flow In (gal)Tur In

(NTU)pH In Flow Out (gal)Flow Out

(gpm)Tur Out

(NTU)pH Out Flow Rec (gal)Tur Rec

(NTU)pH Rec

9/2815:00 16 1895 15.4 7.58 1889 539 3.1 7.69 16 3.2 7.68 9/2814:45 16 8004 15.6 7.58 8119 541 3.0 7.67 0 0.0 0.00 9/2814:30 16 8046 15.4 7.57 8183 545 3.0 7.66 0 0.0 0.00 9/2814:15 16 8091 15.3 7.56 8162 545 3.1 7.66 0 0.0 0.00 9/2814:00 16 8142 15.7 7.55 6411 546 3.4 7.65 1731 7.0 7.65 9/2813:45 16 8699 15.6 7.54 4153 536 3.0 7.64 3457 9.9 7.64 9/2813:30 16 8062 15.6 7.53 8138 542 3.0 7.63 0 0.0 0.00 9/2813:15 16 8093 15.7 7.52 8164 544 2.9 7.63 0 0.0 0.00 9/2813:00 16 8132 15.6 7.52 8188 546 2.9 7.61 0 0.0 0.00 9/2812:45 16 8085 16.2 7.50 7920 546 3.2 7.61 270 5.1 7.61 9/2812:30 16 8709 16.0 7.51 2628 528 2.8 7.59 4940 9.6 7.60 9/2812:15 16 7978 15.6 7.50 8049 537 2.8 7.58 0 0.0 0.00 9/2812:00 16 8065 16.0 7.48 8123 541 2.7 7.56 0 0.0 0.00 9/2811:45 16 8105 15.9 7.47 8172 545 2.7 7.54 0 0.0 0.00 9/2811:30 16 8173 15.5 7.46 8231 548 2.6 7.52 0 0.0 0.00 9/2811:15 16 8158 14.5 7.42 8091 548 2.8 7.50 137 5.0 7.47 9/2811:00 16 8819 12.9 7.37 2631 526 2.4 7.42 4951 9.8 7.45 9/2810:45 16 8099 10.9 7.30 8114 541 2.2 7.35 0 0.0 0.00 9/2810:30 16 3449 16.1 6.88 2585 545 2.6 7.13 902 5.6 6.46 count 19 4.75hrs

DAILY SUMMARY: Gallons discharged125,951 16404

142,355NTU min 2.2

NTU max 3.4

Flow weighted average turbidity 2.9 Average pressure

Sea-Tac Airport 3rd Runway - Pond G System 1 PLC Data - Sept 2007

Average pressurepH min 7.13 pH max 7.69Date

(mm/dd)Time

(HH:MM)Operator

Code Flow In (gal)Tur In

(NTU)pH In Flow Out (gal)Flow Out

(gpm)Tur Out

(NTU)pH Out Flow Rec (gal)Tur Rec

(NTU)

9/27 15:15 0 3 0.0 0.00 0 0 0 0.0 9/27 14:45 0 4876 18.1 7.70 4916 468 3.1 7.65 116 4.7 9/27 14:30 0 6814 18.2 7.69 7052 469 3.1 7.65 0 0.0 9/27 14:15 0 6854 17.9 7.68 7034 470 3.1 7.64 0 0.0 9/27 14:00 0 7316 18.1 7.67 4304 466 3.6 7.63 2524 7.2 9/27 13:45 0 8474 18.6 7.67 1362 454 3.3 7.61 4966 8.3 9/27 13:30 0 6727 17.8 7.68 6396 465 2.8 7.58 580 25.7 9/27 13:15 0 6706 16.8 7.66 6966 464 2.7 7.61 0 0.0 9/27 13:00 0 6715 16.6 7.65 6983 466 2.8 7.60 0 0.0 9/27 12:45 0 7088 16.6 7.63 3993 455 3.3 7.59 2537 8.2 9/27 12:30 0 8549 16.9 7.63 2047 408 4.1 7.59 4074 7.8 9/27 12:15 0 8634 17.0 7.62 2101 418 4.2 7.58 4086 7.9 9/27 12:00 0 8598 16.7 7.62 1783 419 4.0 7.58 4409 8.3 9/27 11:45 0 8669 15.5 7.62 1959 414 4.1 7.57 4201 7.8 9/27 11:30 0 8591 14.6 7.61 2484 416 3.8 7.57 3672 8.2 9/27 11:15 0 8860 13.6 7.59 2660 466 4.0 7.56 4168 7.4 9/27 11:00 0 9114 12.2 7.58 2707 492 3.9 7.54 4550 7.5 9/27 10:45 0 9145 11.2 7.57 3031 487 3.9 7.53 4199 7.2 9/27 10:30 0 9108 11.1 7.56 2709 491 3.8 7.51 4575 7.5 9/27 10:15 0 9129 10.7 7.55 2706 493 3.8 7.49 4586 7.3 9/27 10:00 0 9195 10.6 7.53 2553 488 3.8 7.46 4704 7.8 9/27 9:45 0 9120 10.2 7.53 3080 493 3.7 7.41 4224 7.6 9/27 9:30 0 9122 9.2 7.51 2970 497 3.7 7.32 4347 7.9 9/27 9:15 0 9457 7.7 7.40 2853 518 4.3 7.11 4912 9.4 count 24 4 6hrs

DAILY SUMMARY: Gallons discharged84,649 71430

156,079NTU min 2.7

NTU max 4.3

Flow weighted average turbidity 3.4

pH min 7.11 Sea-Tac Airport 3rd Runway - Pond G System 2 PLC Data -Sept 2007pH max 7.65

Date (mm/dd)Time

(HH:MM)Operator

Code Flow In (gal)Tur In

(NTU)pH In Flow Out (gal)Flow Out

(gpm)Tur Out

(NTU)pH Out Flow Rec (gal)Tur Rec

(NTU)

9/2812:15 16 342 15.2 7.57 240 478 2.8 7.64 115 3.1 9/2812:00 16 6922 15.0 7.56 7164 477 2.8 7.63 0 0.0 9/2811:45 16 6967 14.9 7.55 7149 478 2.8 7.62 0 0.0 9/2811:30 16 6981 14.3 7.53 7194 479 2.9 7.62 0 0.0 9/2811:15 16 7693 13.1 7.52 4119 470 3.5 7.61 2752 8.0 9/2811:00 16 7769 11.7 7.50 4263 462 3.7 7.58 2540 7.4 9/2810:45 16 8556 10.1 7.36 768 443 4.3 7.51 5642 9.9 9/2810:30 16 1709 15.3 6.52 0 0 898 27.7 count 8 4 2hrs

DAILY SUMMARY: Gallons discharged30,897 11947

42,844NTU min 2.8 NTU max 4.3

Flow weighted average turbidity 3.1

pH min 7.51 pH max 7.64 Sea-Tac Airport 3rd Runway - Pond G System 2 PLC Data -Sept 2007pH Rec

0.00 7.66 0.00 0.00 7.63 7.62 7.20 0.00 0.00 7.59 7.58 7.58 7.58 7.57 7.56 7.55 7.54 7.52 7.50 7.48 7.45 7.41 7.31 7.08 Average pressurepH Rec

7.64 0.00 0.00 0.00 7.60 7.57 7.45 7.18 Average pressure

### Date

(mm/dd)Time

(HH:MM)Operator

Code Flow In (gal)Tur In

(NTU)pH In Flow Out (gal)

count 0 0hrs

DAILY SUMMARY: Gallons discharged 0

0

Flow weighted average turbidity Sea-Tac Airport 3rd Runway - Pond G System 3 PLC Data - Sept 2007

### Flow Out

(gpm)Tur Out

(NTU)pH Out Flow Rec (gal)Tur Rec

(NTU)pH Rec

0

NTU min 0.0 NTU max 0.0

Flow weighted average turbidity 0.0

pH min 0.00 pH max 0.00 Average pressure Sea-Tac Airport 3rd Runway - Pond G System 3 PLC Data - Sept 2007