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

3/01 14:45 0 3944 48.6 7.19 3106 497 0.6 7.32 15 0.2 7.21 3/01 14:30 16 9305 49.7 7.18 7477 499 0.5 7.32 0 0.0 0.00 3/01 14:15 16 9318 48.8 7.18 7513 501 0.5 7.31 0 0.0 0.00 3/01 14:00 16 9317 52.5 7.18 7500 500 0.5 7.31 0 0.0 0.00 3/01 13:45 16 9348 52.5 7.17 7547 503 0.6 7.30 0 0.0 0.00 3/01 13:30 16 9359 52.9 7.17 7537 503 0.5 7.31 0 0.0 0.00 3/01 13:15 16 9372 53.4 7.17 7548 503 0.5 7.31 0 0.0 0.00 3/01 13:00 16 9421 54.2 7.18 7539 503 0.6 7.31 0 0.0 0.00 3/01 12:45 16 9374 53.6 7.18 7577 505 0.5 7.33 0 0.0 0.00 3/01 12:30 16 9388 53.8 7.19 7573 505 0.6 7.34 0 0.0 0.00 3/01 12:15 16 9404 53.8 7.20 7591 506 0.6 7.36 0 0.0 0.00 3/01 12:00 16 9440 53.6 7.22 7573 505 0.6 7.38 0 0.0 0.00 3/01 11:45 16 9395 52.8 7.24 7580 505 0.6 7.43 0 0.0 0.00 3/01 11:30 16 9435 51.7 7.26 7606 507 0.6 7.46 0 0.0 0.00 3/01 11:15 16 9490 51.6 7.29 7624 508 0.6 7.48 0 0.0 0.00 3/01 11:00 16 9448 53.1 7.31 7651 510 0.6 7.52 0 0.0 0.00 3/01 10:45 16 9489 53.1 7.32 7629 508 0.7 7.54 0 0.0 0.00 3/01 10:30 16 9640 49.6 7.34 7748 517 0.7 7.55 0 0.0 0.00 3/01 10:15 16 9784 42.6 7.36 7769 518 0.8 7.56 0 0.0 0.00 3/01 10:00 16 9753 39.8 7.36 7777 519 0.8 7.55 0 0.0 0.00 3/01 9:45 16 9805 37.7 7.34 7797 520 1.1 7.48 0 0.0 0.00 3/01 9:30 16 9766 62.9 7.22 6955 515 1.8 7.30 722 4.8 7.05

count 23 4 5.75hours

DAILY SUMMARY: Gallons discharged 162,217 3,327

165,544NTU min 0.5

NTU max 1.8

Flow weighted average turbidity 0.7

pH min 7.30 pH max 7.56 Sea-Tac Airport 3rd Runway - South Pond

Sea-Tac Airport 3rd Runway - South Pond System 1 PLC Data - March 2007 System 1 PLC Data - March 2007

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

3/03 8:15 0 3821 56.2 6.98 2938 489 0.6 7.26 129 0.4 7.24 3/03 8:00 0 9207 56.4 6.99 7331 489 0.6 7.25 0 0.0 0.00 3/03 7:45 0 9224 56.5 7.00 7322 489 0.6 7.25 0 0.0 0.00 3/03 7:30 0 9233 57.0 6.96 7328 488 0.6 7.26 0 0.0 0.00 3/03 7:15 0 9242 58.0 6.95 7338 489 0.6 7.26 0 0.0 0.00 3/03 7:00 0 9232 59.0 6.97 7348 490 0.6 7.24 0 0.0 0.00 3/03 6:45 0 9257 59.8 6.97 7332 489 0.7 7.22 0 0.0 0.00 3/03 6:30 0 9178 60.8 6.96 7370 491 0.7 7.24 0 0.0 0.00 3/03 6:15 0 9215 60.9 6.93 7369 491 0.7 7.22 0 0.0 0.00 3/03 6:00 0 9258 60.9 6.94 7375 492 0.7 7.24 0 0.0 0.00 3/03 5:45 0 9249 60.9 6.93 7367 491 0.7 7.23 0 0.0 0.00 3/03 5:30 0 9226 61.2 6.89 7370 491 0.7 7.19 0 0.0 0.00 3/03 5:15 0 9224 60.9 6.86 7387 492 0.7 7.19 0 0.0 0.00 3/03 5:00 0 9302 60.0 6.87 7381 492 0.7 7.16 0 0.0 0.00 3/03 4:45 0 9318 59.7 6.83 7403 494 0.7 7.14 0 0.0 0.00 3/03 4:30 0 9325 57.8 6.79 7396 493 0.7 7.09 0 0.0 0.00 3/03 4:15 0 9342 53.8 6.74 7426 495 0.6 7.02 0 0.0 0.00 3/03 4:00 0 9444 48.0 6.69 7424 495 0.6 6.94 0 0.0 0.00 3/03 3:45 0 9488 39.6 6.59 7452 497 0.6 6.86 0 0.0 0.00 3/03 3:30 0 9516 30.2 6.53 7479 499 0.6 6.71 0 0.0 0.00 3/03 3:15 0 9568 29.4 6.53 7477 499 0.6 6.53 0 0.0 0.00 3/03 3:00 0 9639 15.6 6.62 7237 497 0.8 6.90 232 12.3 5.67 3/03 2:45 0 6758 33.0 6.70 4400 494 1.6 6.95 1518 31.7 6.40

count 23 4 5.75hours

DAILY SUMMARY: Gallons discharged 162,250 1,879

165,544NTU min 0.6

NTU max 1.6

Flow weighted average turbidity 0.7

pH min 6.53 pH max 7.26

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

3/08 17:30 0 8591 55.2 7.75 6713 447 1.1 7.84 0 0.0 0.00 3/08 17:15 0 8376 51.9 7.75 6690 446 1.0 7.84 0 0.0 0.00 Sea-Tac Airport 3rd Runway - South Pond System 1 PLC Data - March 2007 Average pressure3/08 17:00 0 8413 48.2 7.77 6756 451 1.0 7.83 0 0.0 0.00

3/08 16:45 0 8513 44.1 7.78 6783 452 1.0 7.83 0 0.0 0.00 3/08 16:30 0 8524 40.3 7.78 6820 455 0.9 7.83 0 0.0 0.00 3/08 16:15 0 8485 37.8 7.78 6847 457 0.9 7.83 0 0.0 0.00 3/08 16:00 0 8581 35.9 7.78 6856 457 0.9 7.82 0 0.0 0.00 3/08 15:45 0 8547 34.0 7.78 6900 460 0.9 7.81 0 0.0 0.00 3/08 15:30 0 8600 32.2 7.78 6904 460 0.8 7.80 0 0.0 0.00 3/08 15:15 0 8635 31.1 7.78 6897 460 0.8 7.79 0 0.0 0.00 3/08 15:00 0 8929 30.5 7.78 7112 474 0.8 7.77 0 0.0 0.00 3/08 14:45 0 8997 30.3 7.78 7244 483 0.8 7.74 0 0.0 0.00 3/08 14:30 0 8828 29.7 7.77 7125 475 0.8 7.66 0 0.0 0.00 3/08 14:15 0 8829 29.0 7.76 7038 470 0.7 7.53 0 0.0 0.00 3/08 14:00 0 9302 29.9 7.73 7430 495 0.8 7.46 0 0.0 0.00 3/08 13:45 0 9287 33.3 7.64 7418 495 0.8 7.36 0 0.0 0.00 3/08 13:30 0 9221 23.1 7.46 7238 499 1.0 7.20 276 0.5 7.10

count 17 4 4.25hours

DAILY SUMMARY: Gallons discharged 118,771 276

165,544NTU min 0.7

NTU max 1.1

Flow weighted average turbidity 0.7

pH min 7.20 pH max 7.84

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

3/09 14:30 0 2854 73.8 7.40 2042 454 1.7 7.39 132 3.0 7.02 3/09 14:15 0 9074 74.0 7.41 6811 454 1.7 7.39 0 0.0 0.00 3/09 14:00 0 9001 75.2 7.40 6840 456 1.6 7.41 0 0.0 0.00 3/09 13:45 0 9029 74.3 7.40 6828 455 1.6 7.43 0 0.0 0.00 3/09 13:30 0 8998 73.1 7.41 6851 457 1.6 7.43 0 0.0 0.00 3/09 13:15 0 9083 70.2 7.41 6850 457 1.6 7.45 0 0.0 0.00 3/09 13:00 0 9041 66.9 7.41 6885 459 1.5 7.46 0 0.0 0.00 3/09 12:45 0 9064 65.9 7.42 6866 458 1.5 7.48 0 0.0 0.00 3/09 12:30 0 9016 63.0 7.41 6889 459 1.4 7.51 0 0.0 0.00 3/09 12:15 0 9048 59.4 7.42 6864 458 1.3 7.52 0 0.0 0.00 3/09 12:00 0 8992 54.9 7.41 6940 463 1.3 7.52 0 0.0 0.00 3/09 11:45 0 8998 49.8 7.40 6924 462 1.2 7.49 0 0.0 0.00 3/09 11:30 0 9071 67.6 7.40 6962 463 1.4 7.19 0 9.3 8.08 3/09 11:15 0 5798 24.9 7.61 4190 466 0.9 7.39 341 0.9 7.38

count 14 4 3.5hours

DAILY SUMMARY: Gallons discharged 88,742 473Average pressure

Sea-Tac Airport 3rd Runway - South Pond

Average pressure System 1 PLC Data - March 2007165,544NTU min 0.9 NTU max 1.7

Flow weighted average turbidity 0.7

pH min 7.19 pH max 7.52

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

3/11 23:45 0 8921 50.9 7.07 6556 437 1.8 7.16 0 0.0 0.00 3/11 23:30 0 8953 49.8 7.07 6546 436 1.7 7.16 0 0.0 0.00 3/11 23:15 0 8908 50.0 7.06 6548 437 1.7 7.15 0 0.0 0.00 3/11 23:00 0 8889 51.1 7.06 6565 437 1.6 7.16 0 0.0 0.00 3/11 22:45 0 8906 51.6 7.06 6534 436 1.6 7.15 0 0.0 0.00 3/11 22:30 0 8845 51.4 7.07 6559 437 1.6 7.15 0 0.0 0.00 3/11 22:15 0 8907 50.7 7.06 6534 435 1.5 7.15 0 0.0 0.00 3/11 22:00 0 8922 49.6 7.06 6604 440 1.5 7.15 0 0.0 0.00 3/11 21:45 0 8886 49.9 7.06 6565 438 1.5 7.15 0 0.0 0.00 3/11 21:30 0 8939 51.3 7.06 6618 441 1.4 7.15 0 0.0 0.00 3/11 21:15 0 9004 51.5 7.06 6593 439 1.4 7.14 0 0.0 0.00 3/11 21:00 0 8892 51.7 7.07 6606 440 1.4 7.14 0 0.0 0.00 3/11 20:45 0 8926 51.9 7.06 6626 442 1.4 7.13 0 0.0 0.00 3/11 20:30 0 8929 53.6 7.06 6595 440 1.4 7.12 0 0.0 0.00 3/11 20:15 0 8929 53.2 7.06 6652 444 1.4 7.11 0 0.0 0.00 3/11 20:00 0 8984 52.9 7.06 6635 442 1.5 7.09 0 0.0 0.00 3/11 19:45 0 3479 73.5 7.07 2187 437 1.5 7.11 382 1.7 6.76 3/11 19:30 0 2104 58.8 7.04 1502 429 1.4 7.09 6 2.2 6.93 3/11 19:15 0 8855 57.6 7.05 6522 435 1.4 7.09 0 0.0 0.00 3/11 19:00 0 8888 58.2 7.05 6618 441 1.5 7.09 0 0.0 0.00 3/11 18:45 0 8953 58.5 7.05 6608 441 1.5 7.09 0 0.0 0.00 3/11 18:30 0 9015 58.3 7.05 6615 441 1.5 7.09 0 0.0 0.00 3/11 18:15 0 9009 59.2 7.05 6619 441 1.4 7.08 0 0.0 0.00 3/11 18:00 0 8978 60.5 7.05 6597 440 1.4 7.09 0 0.0 0.00 3/11 17:45 0 9023 60.3 7.06 6585 439 1.4 7.08 0 0.0 0.00 3/11 17:30 0 8969 60.3 7.06 6617 441 1.4 7.08 0 0.0 0.00 3/11 17:15 0 8964 62.1 7.06 6626 442 1.5 7.08 0 0.0 0.00 3/11 17:00 0 8958 61.2 7.07 6636 442 1.4 7.08 0 0.0 0.00 3/11 16:45 0 9056 61.6 7.07 6613 441 1.4 7.08 0 0.0 0.00 3/11 16:30 0 8981 63.4 7.07 6636 442 1.4 7.07 0 0.0 0.00 3/11 16:15 0 8960 62.4 7.08 6663 444 1.5 7.08 0 0.0 0.00 3/11 16:00 0 9036 61.4 7.08 6604 441 1.4 7.08 0 0.0 0.00 3/11 15:45 0 8988 62.2 7.09 6586 439 1.4 7.08 0 0.0 0.00 3/11 15:30 0 9007 61.0 7.09 6627 442 1.4 7.08 0 0.0 0.00 3/11 15:15 0 9031 61.2 7.09 6609 441 1.4 7.10 0 0.0 0.00 3/11 15:00 0 9027 62.1 7.09 6598 440 1.4 7.09 0 0.0 0.00 3/11 14:45 0 8959 60.1 7.10 6624 441 1.4 7.11 0 0.0 0.00 3/11 14:30 0 8983 60.0 7.11 6631 442 1.4 7.11 0 0.0 0.00 3/11 14:15 0 8998 60.9 7.11 6630 442 1.4 7.12 0 0.0 0.00 3/11 14:00 0 9009 61.5 7.12 6606 440 1.5 7.13 0 0.0 0.00 Sea-Tac Airport 3rd Runway - South Pond System 1 PLC Data - March 20073/11 13:45 0 8941 61.7 7.13 6609 440 1.5 7.14 0 0.0 0.00

3/11 13:30 0 8948 60.6 7.13 6601 440 1.5 7.15 0 0.0 0.00 3/11 13:15 0 9029 60.4 7.15 6593 440 1.5 7.16 0 0.0 0.00 3/11 13:00 0 8975 59.0 7.15 6606 440 1.5 7.18 0 0.0 0.00 3/11 12:45 0 9023 59.4 7.17 6620 441 1.6 7.19 0 0.0 0.00 3/11 12:30 0 9032 58.4 7.17 6622 441 1.6 7.21 0 0.0 0.00 3/11 12:15 0 9075 56.7 7.19 6585 439 1.6 7.22 0 0.0 0.00 3/11 12:00 0 8981 57.8 7.20 6655 443 1.6 7.23 0 0.0 0.00 3/11 11:45 0 8978 58.0 7.21 6651 444 1.7 7.24 0 0.0 0.00 3/11 11:30 0 9090 56.7 7.23 6662 445 1.7 7.26 0 0.0 0.00 3/11 11:15 0 9080 53.7 7.26 6669 444 1.8 7.28 0 0.0 0.00 3/11 11:00 0 8997 48.9 7.33 6701 446 1.8 7.37 0 0.0 0.00 3/11 10:45 0 3051 56.5 7.57 1867 439 2.1 7.65 439 4.2 7.91

count 53 413.25hours

DAILY SUMMARY: Gallons discharged 335,936 827 116909 165,544NTU min 1.4

NTU max 2.1

Flow weighted average turbidity 0.7

pH min 7.07 pH 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)pH Rec

3/1223:45 0 9082101.87.92 4510 431 4.3 7.85 1904 6.5 7.83 3/1223:30 0 9067102.97.93 4205 430 4.4 7.83 2219 6.2 7.83 3/1223:15 0 9062104.47.92 4333 434 4.3 7.81 2134 6.4 7.80 3/1223:00 0 9078106.97.89 4105 434 4.3 7.77 2353 6.3 7.76 3/1222:45 0 9282106.77.81 2602 453 4.9 7.73 4093 6.4 7.72 3/1222:30 0 9540108.27.77 7130 483 5.8 7.67 119 9.8 7.74 3/1222:15 0 9405110.77.72 6841 480 5.8 7.63 360 9.7 7.69 3/1222:00 0 9223109.37.66 6727 450 5.2 7.61 0 9.8 7.62 3/1221:45 0 9214106.37.62 6807 454 4.6 7.60 0 0.0 0.00 3/1221:30 0 9303104.47.63 6836 456 4.3 7.65 0 0.0 0.00 3/1221:15 0 3323116.27.74 2042 454 3.9 7.88 457 8.5 7.90 3/12 18:00 0 2351 113.07.46 1591 455 7.9 7.61 124 9.9 7.64 3/12 17:45 0 9155111.27.42 5920 456 7.7 7.61 908 11.4 7.58 3/12 17:30 0 9283107.47.40 6587 455 7.4 7.59 232 11.2 7.59 3/12 17:15 0 9680108.67.41 6634 474 7.3 7.59 461 10.9 7.57 3/12 17:00 0 9662109.57.38 6519 474 7.2 7.56 587 10.2 7.55 3/12 16:45 0 6829114.57.34 4547 466 6.8 7.54 505 7.8 7.47 3/12 16:30 0 9272109.07.28 6876 459 6.3 7.50 0 0.0 0.00 3/12 16:15 0 9712109.07.23 7353 490 5.7 7.46 0 0.0 0.00 3/12 16:00 0 10099107.07.21 7774 518 5.1 7.41 0 0.0 0.00 Average pressure

Sea-Tac Airport 3rd Runway - South Pond System 1 PLC Data - March 20073/12 15:45 0 9781 103.77.17 7480 498 4.4 7.37 0 0.0 0.00

3/12 15:30 0 9573 99.2 7.14 7195 480 3.9 7.34 0 0.0 0.00 3/12 15:15 0 9533 96.0 7.10 7216 481 3.4 7.30 0 0.0 0.00 3/12 15:00 0 9535 93.0 7.06 7195 480 3.0 7.25 0 0.0 0.00 3/12 14:45 0 9534 88.2 7.03 7185 479 2.8 7.22 0 0.0 0.00 3/12 14:30 0 9552 83.8 6.99 7210 481 2.6 7.18 0 0.0 0.00 3/12 14:15 0 9550 80.9 6.96 7207 481 2.4 7.14 0 0.0 0.00 3/12 14:00 0 9571 76.8 6.93 7221 481 2.3 7.10 0 0.0 0.00 3/12 13:45 0 9591 72.4 6.91 7203 480 2.2 7.07 0 0.0 0.00 3/12 13:30 0 8915 67.8 6.89 6527 435 2.3 7.04 0 0.0 0.00 3/12 13:15 0 8978 66.3 6.87 6499 433 2.2 7.03 0 0.0 0.00 3/12 13:00 0 8957 64.7 6.86 6505 434 2.2 7.02 0 0.0 0.00 3/12 12:45 0 8958 64.2 6.85 6540 436 2.2 7.02 0 0.0 0.00 3/12 12:30 0 8928 64.9 6.86 6521 435 2.2 7.02 0 0.0 0.00 3/12 12:15 0 9378 65.1 6.86 6846 456 2.2 7.02 0 0.0 0.00 3/12 12:00 0 9463 65.3 6.86 6846 457 2.2 7.03 0 0.0 0.00 3/12 11:45 0 9346 66.4 6.86 6855 457 2.1 7.02 0 0.0 0.00 3/12 11:30 0 9339 70.2 6.86 6813 454 2.1 7.02 0 0.0 0.00 3/12 11:15 0 9346 76.7 6.86 6810 454 2.1 7.02 0 0.0 0.00 3/12 11:00 0 8960 63.1 6.86 6519 434 2.1 7.03 0 0.0 0.00 3/12 10:45 0 8938 66.5 6.86 6531 435 2.0 7.02 0 0.0 0.00 3/12 10:30 0 9050 66.6 6.86 6789 452 2.0 7.03 0 0.0 0.00 3/12 10:15 0 9250 66.4 6.87 6739 449 2.0 7.02 0 0.0 0.00 3/12 10:00 0 8946 65.3 6.87 6710 448 2.0 7.03 0 0.0 0.00 3/12 9:45 0 8907 68.1 6.87 6591 439 2.0 7.03 0 0.0 0.00 3/12 9:30 0 8937 71.5 6.87 6539 438 2.0 7.03 0 0.0 0.00 3/12 9:15 0 8968 72.9 6.88 6521 431 1.9 7.03 0 0.0 0.00 3/12 9:00 0 8882 72.0 6.88 6518 435 1.9 7.02 0 0.0 0.00 3/12 8:45 0 8927 70.9 6.88 6465 431 1.9 7.03 0 0.0 0.00 3/12 8:30 0 8889 69.2 6.88 6446 429 1.8 7.02 0 0.0 0.00 3/12 8:15 0 8902 70.9 6.88 6485 431 1.8 7.02 0 0.0 0.00 3/12 8:00 0 8902 70.7 6.89 6536 436 1.7 7.01 0 0.0 0.00 3/12 7:45 0 8981 73.4 6.89 6544 436 1.7 7.02 0 0.0 0.00 3/12 7:30 0 8967 73.8 6.89 6504 434 1.7 7.01 0 0.0 0.00 3/12 7:15 0 8965 72.7 6.89 6542 436 1.7 7.01 0 0.0 0.00 3/12 7:00 0 8965 72.7 6.89 6547 437 1.7 7.02 0 0.0 0.00 3/12 6:45 0 9009 74.6 6.90 6553 437 1.7 7.01 0 0.0 0.00 3/12 6:30 0 9013 72.3 6.91 6522 435 1.7 7.01 0 0.0 0.00 3/12 6:15 0 9001 72.6 6.91 6543 436 1.8 7.03 0 0.0 0.00 3/12 6:00 0 8971 72.0 6.92 6558 437 1.8 7.03 0 0.0 0.00 3/12 5:45 0 9090 71.7 6.93 6555 437 1.8 7.03 0 0.0 0.00 3/12 5:30 0 9024 70.8 6.94 6570 438 1.8 7.03 0 0.0 0.00 3/12 5:15 0 9065 73.2 6.94 6574 438 1.8 7.03 0 0.0 0.00 3/12 5:00 0 9055 78.8 6.95 6582 439 1.8 7.04 0 0.0 0.00 3/12 4:45 0 9016 77.7 6.98 6579 439 1.8 7.05 0 0.0 0.00 3/12 4:30 0 9008 76.4 6.98 6536 436 1.8 7.06 0 0.0 0.00 3/12 4:15 0 8967 76.5 7.00 6559 437 1.8 7.07 0 0.0 0.00 3/12 4:00 0 9003 77.2 7.01 6567 438 1.8 7.08 0 0.0 0.00 3/12 3:45 0 9002 75.6 7.03 6594 439 1.9 7.10 0 0.0 0.00 3/12 3:30 0 8987 72.0 7.05 6588 439 1.9 7.11 0 0.0 0.00 3/12 3:15 0 9034 68.8 7.07 6568 438 1.9 7.12 0 0.0 0.00 3/12 3:00 0 9053 64.1 7.08 6592 439 1.9 7.13 0 0.0 0.00 3/12 2:45 0 9053 56.8 7.10 6610 441 1.9 7.13 0 0.0 0.00 3/12 2:30 0 8935 53.5 7.13 6614 441 1.9 7.12 0 0.0 0.003/12 2:15 0 8840 61.0 7.22 6139 439 1.9 7.16 374 3.8 7.27

3/12 : 0 7707 53.7 7.08 5577 437 1.8 7.16 88 1.7 7.07

count 76 4 19hours

DAILY SUMMARY: Gallons discharged483,319 16,918

165,544NTU min 1.7

NTU max 7.9

Flow weighted average turbidity 0.7

pH min 7.01 pH max 7.88

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

3/13 11:45 0 7978161.37.97 1535 362 4.7 7.81 3778 5.8 7.83 3/13 11:30 0 7985155.97.82 4135 359 3.8 7.79 1244 5.6 7.80 3/13 11:15 0 8043153.07.70 4781 361 3.2 7.77 617 5.6 7.76 3/13 11:00 0 7984148.07.74 4563 357 3.3 7.77 794 5.3 7.76 3/13 10:45 0 7968141.1 7.75 4409 359 3.7 7.77 985 5.6 7.77 3/13 10:30 0 8066148.27.80 3707 361 4.0 7.74 1708 5.9 7.75 3/13 10:15 0 8121 140.77.79 3698 370 4.2 7.67 1808 6.0 7.67 3/13 10:00 0 5508163.87.54 2417 420 3.7 7.57 1589 6.4 7.56 3/13 5:00 0 1853153.57.93 1027 410 4.3 7.81 230 5.7 7.83 3/13 4:45 0 8681 153.27.88 5047 421 3.8 7.80 1251 5.8 7.80 3/13 4:30 0 8700150.07.79 5396 419 3.3 7.78 913 5.8 7.78 3/13 4:15 0 8654146.97.75 5784 423 3.0 7.78 610 5.7 7.77 3/13 4:00 0 8682142.37.77 5864 414 3.1 7.80 400 5.7 7.79 3/13 3:45 0 8735146.87.77 5624 425 3.3 7.80 709 5.6 7.81 3/13 3:30 0 8690151.77.77 5404 418 3.3 7.82 817 5.9 7.81 3/13 3:15 0 8770155.77.77 5522 423 3.3 7.84 826 5.8 7.84 3/13 3:00 0 8750157.67.82 5036 413 3.6 7.86 1133 5.8 7.87 3/13 2:45 0 8583146.57.88 4400 417 4.3 7.87 1853 6.1 7.87 3/13 2:30 0 8670145.97.91 3651 417 4.7 7.87 2572 6.0 7.87 3/13 2:15 0 8795146.37.90 4956 413 4.4 7.85 1222 5.9 7.84 3/13 2:00 0 8732152.77.84 1062 423 4.9 7.83 5242 5.8 7.82 3/13 1:45 0 8803156.67.77 2810 432 4.7 7.78 3572 6.0 7.78 3/13 1:30 0 8471 160.1 7.44 4432 433 4.2 7.73 1832 5.5 7.72 3/13 1:00 0 5643134.07.55 3138 419 3.7 7.74 916 5.3 7.74 3/13 :45 0 8891 117.47.46 5240 428 3.8 7.68 1157 6.0 7.68 3/13 :30 0 9031 119.77.29 4920 427 3.9 7.44 1495 5.9 7.44 3/13 :15 0 2662258.87.21 847 424 4.5 7.10 1044 13.6 7.24 3/13 : 0 9024101.67.90 4841 431 4.1 7.85 1596 6.1 7.86

count 28 4 7hours Average pressure System 1 PLC Data - March 2007 Average pressure

Sea-Tac Airport 3rd Runway - South PondDAILY SUMMARY: Gallons discharged 114,246 41,913

165,544NTU min 3.0

NTU max 4.9

Flow weighted average turbidity 0.7

pH min 7.10 pH max 7.87

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

3/1423:45 0 8989 89.1 7.13 6966 464 0.7 7.41 0 0.0 0.00 3/1423:30 0 9033 84.8 7.08 6935 462 0.6 7.37 0 0.0 0.00 3/1423:15 0 9138 79.1 7.02 6895 459 0.6 7.30 0 0.0 0.00 3/1423:00 0 8939 89.6 6.95 6683 446 0.7 7.15 0 0.0 0.00 3/1422:45 0 3143100.96.91 1201 433 0.9 6.97 1478 1.5 7.01 3/14 17:00 0 2279101.77.10 1510 432 0.9 7.28 396 36.5 7.18 3/14 16:45 0 8932101.96.97 6530 435 0.8 7.27 0 0.0 0.00 3/14 16:30 0 8939102.66.88 6533 436 0.8 7.25 0 0.0 0.00 3/14 16:15 0 8940100.96.94 6484 432 0.8 7.23 0 0.0 0.00 3/14 16:00 0 8912 98.8 7.03 6535 436 0.7 7.21 0 0.0 0.00 3/14 15:45 0 8916 96.6 7.04 6565 438 0.7 7.19 0 0.0 0.00 3/14 15:30 0 8917 94.2 7.03 6537 436 0.7 7.18 0 0.0 0.00 3/14 15:15 0 8907 91.8 7.05 6564 438 0.6 7.16 0 0.0 0.00 3/14 15:00 0 8861 89.4 7.04 6511 434 0.6 7.14 0 0.0 0.00 3/14 14:45 0 8802 88.5 7.03 6527 435 0.6 7.13 0 0.0 0.00 3/14 14:30 0 8849 80.4 7.02 6526 435 0.5 7.12 0 0.0 0.00 3/14 14:15 0 8789 71.2 7.01 6576 438 0.5 7.11 0 0.0 0.00 3/14 14:00 0 8859 61.8 7.00 6618 441 0.5 7.10 0 0.0 0.00 3/14 13:45 0 8811 56.8 7.00 6626 441 0.5 7.09 0 0.0 0.00 3/14 13:30 0 8848 55.0 7.00 6538 436 0.5 7.08 0 0.0 0.00 3/14 13:15 0 9081 49.9 7.01 6601 440 0.5 7.08 0 0.0 0.00 3/14 13:00 0 9059 46.8 7.03 6615 441 0.5 7.08 0 0.0 0.00 3/14 12:45 0 9142 38.8 7.05 6653 444 0.5 7.08 0 0.2 7.10 3/14 12:30 0 9129 38.2 7.06 6662 444 0.5 7.08 0 0.0 0.00 3/14 12:15 0 9073 39.0 7.06 6634 442 0.5 7.08 0 0.0 0.00 3/14 12:00 0 8534 43.3 7.05 5774 385 0.5 7.04 0 0.0 0.00 3/14 11:45 0 8273 35.8 7.09 5261 351 0.4 7.06 0 0.0 0.00 3/14 11:30 0 8279 33.5 7.14 5244 350 0.4 7.07 0 0.0 0.00 3/14 11:15 0 8246 32.0 7.24 5271 351 0.4 7.08 0 0.0 0.00 3/14 11:00 0 8204 35.0 7.45 5320 355 0.5 7.07 0 0.0 0.00 3/14 10:45 0 1925115.87.89 972 354 0.5 7.09 391 1.8 7.10 3/14 5:00 0 4839145.77.19 3289 355 1.0 7.33 39 0.8 7.29 3/14 4:45 0 7744144.07.19 5313 354 1.0 7.33 0 0.0 0.00 3/14 4:30 0 7808135.1 7.20 5296 353 1.0 7.33 0 0.0 0.00 3/14 4:15 0 7731 129.37.21 5361 357 1.0 7.32 0 0.0 0.00 Sea-Tac Airport 3rd Runway - South Pond System 1 PLC Data - March 20073/14 4:00 0 7843126.67.20 5365 358 1.0 7.31 0 0.0 0.00

3/14 3:45 0 7901 124.07.20 5370 358 0.9 7.32 0 0.0 0.00 3/14 3:30 0 7943121.37.20 5354 357 0.9 7.31 0 0.0 0.00 3/14 3:15 0 7808122.57.20 5371 358 0.9 7.32 0 0.0 0.00 3/14 3:00 0 7836121.97.22 5359 357 0.9 7.32 0 0.0 0.00 3/14 2:45 0 7910120.37.25 5342 356 1.0 7.38 0 0.0 0.00 3/14 2:30 0 7877136.37.23 4806 356 0.9 7.15 539 8.3 6.85 3/14 2:15 0 7926109.07.24 5370 358 0.7 7.09 0 0.0 0.00 3/14 2:00 0 7951 116.57.27 5384 359 1.0 7.39 0 0.0 0.00 3/14 1:45 0 8004121.07.31 5391 359 1.1 7.45 0 0.0 0.00 3/14 1:30 0 7783122.47.35 2343 361 1.1 7.48 2991 1.3 7.50

count 46 4 11.5hours

DAILY SUMMARY: Gallons discharged257,581 5,834

165,544NTU min 0.4

NTU max 1.1

Flow weighted average turbidity 0.7

pH min 6.97 pH max 7.48

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

3/15 16:45 0 6966 62.6 7.10 5367 457 0.5 7.33 10 5.0 7.34 3/15 16:30 0 8891 68.8 7.11 6857 457 0.5 7.38 0 0.0 0.00 3/15 16:15 0 8912 74.7 7.13 6814 454 0.5 7.44 0 0.0 0.00 3/15 16:00 0 8820 77.8 7.12 6706 447 0.6 7.42 0 0.0 0.00 3/15 15:45 0 8910 76.4 7.11 6900 459 0.7 7.52 0 0.0 0.00 3/15 15:30 0 9071 68.0 7.08 6967 465 0.7 7.44 0 0.0 0.00 3/15 15:15 0 8808 74.4 7.20 6001 471 0.8 7.04 928 8.4 6.79 3/15 15:00 0 2751 178.67.54 1023 486 0.4 7.16 982 24.7 7.17 3/15 2:15 0 4545108.67.45 3385 453 1.2 7.65 42 0.8 7.69 3/15 2:00 0 8963110.07.43 6852 460 1.1 7.64 0 0.0 0.00 3/15 1:45 0 8922108.47.40 6944 461 1.1 7.61 0 0.0 0.00 3/15 1:30 0 8918106.77.38 6831 455 1.0 7.59 0 0.0 0.00 3/15 1:15 0 8962104.47.35 6854 455 1.0 7.57 0 0.0 0.00 3/15 1:00 0 8963102.47.32 6908 461 1.0 7.55 0 0.0 0.00 3/15 :45 0 8979101.07.28 6912 464 0.9 7.52 0 0.0 0.00 3/15 :30 0 8976 99.1 7.25 6923 462 0.9 7.49 0 0.0 0.00 3/15 :15 0 8976 96.5 7.21 6883 459 0.8 7.47 0 0.0 0.00 3/15 : 0 8980 92.9 7.17 6900 460 0.7 7.44 0 0.0 0.00

count 18 4 4.5hours

DAILY SUMMARY: Gallons discharged 112,027 1,962Average pressure

Sea-Tac Airport 3rd Runway - South Pond System 1 PLC Data - March 2007

Average pressure165,544NTU min 0.4 NTU max 1.2

Flow weighted average turbidity 0.7

pH min 7.04 pH 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)pH Rec

3/16 12:15 0 7998 33.0 7.12 6183 463 0.4 7.28 132 0.9 7.19 3/16 12:00 0 5014 44.1 7.16 3432 458 0.4 7.34 399 0.5 7.18 3/16 11:45 0 2025 41.4 7.11 1474 453 0.4 7.26 38 0.3 7.13 3/16 11:30 0 8857 41.1 7.12 6864 458 0.4 7.27 0 0.0 0.00 3/16 11:15 0 8805 39.8 7.13 6854 457 0.4 7.28 0 0.0 0.00 3/16 11:00 0 8866 37.7 7.16 6860 458 0.4 7.30 0 0.0 0.00 3/16 10:45 0 8862 34.0 7.16 6914 461 0.4 7.32 0 0.0 0.00 3/16 10:30 0 8870 28.7 7.21 6899 460 0.4 7.37 0 0.0 0.00 3/16 10:15 0 8815 22.6 7.27 6771 452 0.4 7.46 0 0.0 0.00 3/16 10:00 0 5125 34.7 7.31 4690 507 0.2 7.75 477 2.8 8.04

count 10 4 2.5hours

DAILY SUMMARY: Gallons discharged 56,941 1,046

165,544NTU min 0.2

NTU max 0.4

Flow weighted average turbidity 0.7

pH min 7.26 pH max 7.75

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 System 1 PLC Data - March 2007 Average pressure

Sea-Tac Airport 3rd Runway - South Pond Sea-Tac Airport 3rd Runway - South Pond System 1 PLC Data - March 20073/20 15:00 0 6484 77.3 7.08 4911 438 1.0 7.17 14 0.9 7.22

3/20 14:45 0 8666 80.0 7.08 6590 439 1.1 7.17 0 0.0 0.00 3/20 14:30 0 8580 81.2 7.09 6578 437 1.0 7.17 0 0.0 0.00 3/20 14:15 0 8554 82.9 7.10 6521 435 1.1 7.18 0 0.0 0.00 3/20 14:00 0 8628 84.5 7.10 6517 435 1.1 7.17 0 0.0 0.00 3/20 13:45 0 8587 84.8 7.10 6506 433 1.1 7.18 0 0.0 0.00 3/20 13:30 0 8584 80.6 7.10 6527 436 1.1 7.18 0 0.0 0.00 3/20 13:15 0 8608 80.1 7.10 6528 435 1.2 7.18 0 0.0 0.00 3/20 13:00 0 8635 83.9 7.11 6601 439 1.3 7.18 0 0.0 0.00 3/20 12:45 0 8629 86.8 7.11 6587 439 1.2 7.18 0 0.0 0.00 3/20 12:30 0 8647 86.6 7.11 6609 442 1.3 7.18 0 0.0 0.00 3/20 12:15 0 8619 86.6 7.12 6544 436 1.2 7.19 0 0.0 0.00 3/20 12:00 0 8703 85.0 7.13 6600 440 1.3 7.18 0 0.0 0.00 3/20 11:45 0 8657 85.5 7.13 6667 442 1.2 7.19 0 0.0 0.00 3/20 11:30 0 8602 86.5 7.14 6664 443 1.2 7.20 0 0.0 0.00 3/20 11:15 0 8640 86.2 7.14 6544 436 1.2 7.20 0 0.0 0.00 3/20 11:00 0 8606 88.1 7.16 6570 438 1.1 7.21 0 0.0 0.00 3/20 10:45 0 8630 90.0 7.17 6577 439 1.1 7.21 0 0.0 0.00 3/20 10:30 0 8593 80.0 7.18 6564 438 1.1 7.23 0 0.0 0.00 3/20 10:15 0 8738 70.6 7.19 6664 444 1.1 7.22 0 0.0 0.00 3/20 10:00 0 8660 59.2 7.20 6652 444 1.0 7.22 0 0.0 0.00 3/20 9:45 0 8711 49.5 7.21 6658 443 1.1 7.23 0 0.0 0.00 3/20 9:30 0 8655 49.2 7.26 6625 442 1.1 7.26 0 0.0 0.00 3/20 9:15 0 8748 52.0 7.40 6398 450 1.0 7.40 289 2.4 7.69 3/20 5:00 0 243 75.8 7.06 123 490 1.3 7.31 92 1.3 7.16 3/20 4:45 0 8682 73.0 7.16 6586 438 1.0 7.24 0 0.0 0.00 3/20 4:30 0 8691 72.7 7.17 6571 438 1.0 7.25 0 0.0 0.00 3/20 4:15 0 8672 70.4 7.16 6592 439 0.9 7.25 0 0.0 0.00 3/20 4:00 0 8711 66.5 7.15 6613 441 1.0 7.25 0 0.0 0.00 3/20 3:45 0 8707 63.3 7.13 6616 441 0.9 7.26 0 0.0 0.00 3/20 3:30 0 8696 62.5 7.15 6630 441 0.9 7.26 0 0.0 0.00 3/20 3:15 0 8771 65.9 7.14 6626 445 0.9 7.26 0 0.0 0.00 3/20 3:00 0 8719 64.2 7.13 6603 440 0.9 7.26 0 0.0 0.00 3/20 2:45 0 8650 61.0 7.12 6647 443 0.8 7.28 0 0.0 0.00 3/20 2:30 0 8827 58.4 7.09 6867 456 0.7 7.27 0 0.0 0.00 3/20 2:15 0 8852 53.7 7.07 6864 458 0.6 7.27 0 0.0 0.00 3/20 2:00 0 8856 48.0 7.00 6873 458 0.6 7.28 0 0.0 0.00 3/20 1:45 0 8880 42.4 7.01 6883 459 0.5 7.28 0 0.0 0.00 3/20 1:30 0 8872 33.2 6.96 6893 460 0.4 7.29 0 0.0 0.00 3/20 1:15 0 8863 24.0 6.92 6782 454 0.4 7.29 0 0.0 0.00 3/20 1:00 0 8891 14.8 6.87 6862 459 0.3 7.31 0 0.0 0.00 3/20 :45 0 8698 11.5 6.91 7194 478 0.3 7.25 0 0.0 0.00 3/20 :30 0 5152 29.6 7.14 4851 510 0.2 7.64 408 2.7 8.12

count 43 4 10.75hours

DAILY SUMMARY: Gallons discharged275,878 803

165,544NTU min 0.2

NTU max 1.3

Flow weighted average turbidity 0.7 Average pressurepH min 7.17 pH max 7.64

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

3/2323:45 0 8831 39.3 7.27 6837 456 0.8 7.23 0 0.0 0.00 3/2323:30 0 8846 36.9 7.26 6833 455 0.8 7.22 0 0.0 0.00 3/2323:15 0 8870 33.5 7.24 6819 455 0.8 7.20 0 0.0 0.00 3/2323:00 0 8851 30.0 7.22 6854 457 0.8 7.20 0 0.0 0.00 3/2322:45 0 8888 27.7 7.21 6833 455 0.9 7.20 0 0.0 0.00 3/2322:30 0 8951 23.6 7.20 6855 457 1.0 7.18 0 0.0 0.00 3/2322:15 0 8935 23.7 7.17 5892 453 1.1 7.13 800 2.3 7.05

count 7 4 1.75hours

DAILY SUMMARY: Gallons discharged 46,923 800

165,544NTU min 0.8

NTU max 1.1

Flow weighted average turbidity 0.7

pH min 7.13 pH max 7.23

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

3/2423:45 0 3679106.96.85 2731 475 1.9 6.96 128 2.5 6.90 3/2423:30 0 9220106.26.85 7204 480 1.9 6.96 0 0.0 0.00 3/2423:15 0 9142102.56.84 7191 480 1.8 6.96 0 0.0 0.00 3/2423:00 0 9215 98.3 6.84 7202 480 1.6 6.96 0 0.0 0.00 3/2422:45 0 9185 93.6 6.83 7135 477 1.4 6.96 0 0.0 0.00 3/2422:30 0 9136 84.9 6.83 7078 471 1.4 6.95 0 0.0 0.00 3/2422:15 0 9121 76.0 6.83 7080 472 1.3 6.96 0 0.0 0.00 3/2422:00 0 9172 62.6 6.84 7041 469 1.3 6.97 0 0.0 0.00 3/2421:45 0 8637 74.2 6.95 5726 477 1.3 7.03 978 1.8 6.87 3/2421:00 0 279 172.96.87 123 485 0.9 6.90 118 2.7 6.97 3/2420:45 0 8816 81.7 6.84 6790 452 1.2 6.94 0 0.0 0.00 3/2420:30 0 8777 82.8 6.83 6770 451 1.1 6.95 0 0.0 0.00 3/2420:15 0 8814 80.8 6.84 6819 455 1.1 6.95 0 0.0 0.00 3/2420:00 0 8810 83.2 6.84 6724 448 1.1 6.95 0 0.0 0.00 3/24 19:45 0 8736 92.0 6.84 6721 448 1.1 6.96 0 0.0 0.00 Average pressure Sea-Tac Airport 3rd Runway - South Pond System 1 PLC Data - March 2007

Sea-Tac Airport 3rd Runway - South Pond System 1 PLC Data - March 20073/24 19:30 0 8710 96.9 6.85 6728 448 1.2 6.96 0 0.0 0.00

3/24 19:15 0 8899 91.1 6.87 6897 460 1.4 6.98 0 0.0 0.00 3/24 19:00 0 9379 89.0 6.88 7227 482 1.5 6.98 0 0.0 0.00 3/24 18:45 0 8784 80.0 6.88 6714 447 1.3 6.99 0 0.0 0.00 3/24 18:30 0 8784 78.3 6.88 6691 446 1.3 6.99 0 0.0 0.00 3/24 18:15 0 8771 82.1 6.89 6705 447 1.3 7.00 0 0.0 0.00 3/24 18:00 0 8817 87.0 6.90 6706 447 1.3 7.01 0 0.0 0.00 3/24 17:45 0 8784 89.5 6.90 6708 447 1.2 7.01 0 0.0 0.00 3/24 17:30 0 8785 85.6 6.91 6694 447 1.2 7.03 0 0.0 0.00 3/24 17:15 0 8754 83.3 6.93 6682 445 1.2 7.04 0 0.0 0.00 3/24 17:00 0 8754 80.8 6.94 6729 449 1.1 7.05 0 0.0 0.00 3/24 16:45 0 8759 71.9 6.95 6720 448 1.1 7.05 0 0.0 0.00 3/24 16:30 0 8717 63.6 6.95 6690 446 1.0 7.06 0 0.0 0.00 3/24 16:15 0 8795 64.3 6.96 6708 447 1.0 7.07 0 0.0 0.00 3/24 16:00 0 8861 69.8 6.97 6712 447 1.0 7.08 0 0.0 0.00 3/24 15:45 0 8843 69.0 6.99 6690 446 1.0 7.10 0 0.0 0.00 3/24 15:30 0 8782 64.5 7.00 6735 449 0.9 7.11 0 0.0 0.00 3/24 15:15 0 8785 60.0 7.01 6736 449 0.9 7.13 0 0.0 0.00 3/24 15:00 0 8557 57.2 7.03 6467 431 0.9 7.14 0 0.0 0.00 3/24 14:45 0 8347 57.1 7.04 6285 419 0.9 7.16 0 0.0 0.00 3/24 14:30 0 8348 59.5 7.05 6340 423 0.9 7.18 0 0.0 0.00 3/24 14:15 0 8328 67.9 7.08 6378 425 0.9 7.20 0 0.0 0.00 3/24 14:00 0 8346 78.3 7.11 6408 428 1.0 7.24 0 0.0 0.00 3/24 13:45 0 8381 86.0 7.17 6382 426 1.2 7.28 0 0.0 0.00 3/24 13:30 0 8644 80.5 7.24 6769 451 2.0 7.32 0 0.0 0.00 3/24 13:15 0 8638 67.3 7.26 6727 448 1.9 7.34 0 0.0 0.00 3/24 13:00 0 8793 60.2 7.28 6632 442 1.7 7.37 0 0.0 0.00 3/24 12:45 0 6165 56.8 7.30 4350 458 1.7 7.43 377 2.2 7.36 3/24 12:15 0 7121 50.8 7.30 5578 458 1.4 7.36 46 1.8 7.33 3/24 12:00 0 8870 42.0 7.31 6841 456 1.2 7.36 0 0.0 0.00 3/24 11:45 0 8916 32.4 7.32 6865 457 1.1 7.36 0 0.0 0.00 3/24 11:30 0 8882 24.3 7.33 6891 460 1.4 7.39 0 0.0 0.00 3/24 11:15 0 4842 35.2 7.30 2497 455 3.8 7.53 1234 4.4 7.62 3/24 :15 0 2621 40.7 7.29 1926 454 0.9 7.26 119 0.6 7.14 3/24 : 0 8868 43.2 7.28 6832 455 0.9 7.24 0 0.0 0.00

count 50 4 12.5hours

DAILY SUMMARY: Gallons discharged 313,975 3,000

165,544NTU min 0.9

NTU max 3.8

Flow weighted average turbidity 0.7

pH min 6.90 pH max 7.53 793494 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

3/25 11:30 0 7594 67.4 6.81 5743 469 1.3 6.96 26 4.3 6.90 3/25 11:15 0 9473 68.8 6.82 7260 483 1.4 6.96 0 0.0 0.00 3/25 11:00 0 9230 66.2 6.82 7106 473 1.4 6.97 0 0.0 0.00 3/25 10:45 0 9197 64.0 6.83 6951 466 1.5 6.99 0 0.0 0.00 3/25 10:30 0 9191 61.1 6.87 7518 484 1.5 7.03 0 0.0 0.00 3/25 10:15 0 9600 83.1 6.99 6799 496 1.5 7.18 611 4.4 7.27 3/25 6:45 0 5035 88.1 6.78 3869 469 1.5 6.94 10 1.7 6.97 3/25 6:30 0 9136 86.7 6.78 7066 471 1.5 6.94 0 0.0 0.00 3/25 6:15 0 9086 88.0 6.77 7115 474 1.6 6.93 0 0.0 0.00 3/25 6:00 0 9164 89.0 6.78 7078 473 1.5 6.93 0 0.0 0.00 3/25 5:45 0 9156 88.3 6.78 6983 474 1.6 6.93 128 4.3 6.92 3/25 5:30 0 9173 86.6 6.78 6885 483 1.4 6.92 382 4.8 6.94 3/25 5:15 0 9204 85.9 6.78 6989 474 1.4 6.92 115 4.7 6.91 3/25 5:00 0 9209 86.4 6.78 6575 477 1.4 6.91 610 4.7 6.94 3/25 4:45 0 9323 88.1 6.78 6835 489 1.4 6.92 500 4.9 6.90 3/25 4:30 0 9375 87.6 6.78 6873 491 1.4 6.91 496 4.8 6.91 3/25 4:15 0 9327 89.8 6.78 6876 491 1.4 6.91 489 4.6 6.92 3/25 4:00 0 9371 93.7 6.79 6258 491 1.4 6.91 1106 4.7 6.88 3/25 3:45 0 9574 96.8 6.78 7286 512 1.6 6.89 375 4.7 6.88 3/25 3:30 0 9414 99.4 6.78 6952 496 1.6 6.90 494 4.5 6.88 3/25 3:15 0 9420104.06.79 6932 497 1.5 6.89 621 4.5 6.85 3/25 3:00 0 9375105.36.80 7029 494 1.6 6.90 388 4.4 6.88 3/25 2:45 0 9335102.46.81 7047 486 1.6 6.90 255 4.6 6.86 3/25 2:30 0 9312 91.7 6.83 7302 487 1.6 6.91 0 0.0 0.00 3/25 2:15 0 9336 79.1 6.87 7213 481 1.6 6.91 0 0.0 0.00 3/25 2:00 0 9326 65.4 6.96 7047 486 1.5 6.93 252 4.5 6.86 3/25 1:45 0 3034195.56.95 1597 491 1.8 7.00 784 4.1 7.00

count 27 4 6.75hours

DAILY SUMMARY: Gallons discharged 179,184 7,642

165,544NTU min 1.3

NTU max 1.8

Flow weighted average turbidity 0.7

pH min 6.89 pH max 7.18 Average pressure Sea-Tac Airport 3rd Runway - South Pond System 1 PLC Data - March 2007

Sea-Tac Airport 3rd Runway - South Pond System 1 PLC Data - March 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)pH Rec

3/26 16:45 0 6076 93.5 7.08 3575 439 1.0 7.00 1006 1.3 6.99 3/26 15:45 0 464 76.5 7.00 320 426 1.0 7.05 16 0.5 7.02 3/26 15:30 0 8584 75.5 7.00 6409 427 0.9 7.05 0 0.0 0.00 3/26 15:15 0 8580 73.7 7.00 6354 424 1.0 7.04 0 0.0 0.00 3/26 15:00 0 8570 70.4 7.00 6419 428 0.9 7.03 0 0.0 0.00 3/26 14:45 0 8581 67.4 6.99 6404 427 1.0 7.01 0 0.0 0.00 3/26 14:30 0 8595 64.5 6.99 6410 428 0.9 7.00 0 0.0 0.00 3/26 14:15 0 8623 61.9 6.99 6467 431 1.0 6.98 0 0.0 0.00 3/26 14:00 0 3670 77.0 6.99 2363 429 1.0 6.98 373 1.3 7.00 3/26 13:45 0 1161 76.4 7.01 854 423 1.1 7.00 30 1.8 6.92 3/26 13:30 0 8570 76.5 7.00 6381 425 1.0 6.99 0 0.0 0.00 3/26 13:15 0 8503 76.0 7.00 6424 428 1.0 6.99 0 0.0 0.00 3/26 13:00 0 8553 74.7 7.00 6393 426 1.0 6.98 0 0.0 0.00 3/26 12:45 0 8499 72.8 6.99 6336 424 1.0 6.97 0 0.0 0.00 3/26 12:30 0 8588 72.4 6.99 6392 426 1.1 6.96 0 0.0 0.00 3/26 12:15 0 8528 73.6 6.99 6407 427 1.1 6.95 0 0.0 0.00 3/26 12:00 0 8517 72.6 6.98 6396 427 1.2 6.94 0 0.0 0.00 3/26 11:45 0 8522 70.1 6.97 6362 423 1.1 6.92 0 0.0 0.00 3/26 11:30 0 8510 65.6 6.96 6298 420 1.2 6.91 0 0.0 0.00 3/26 11:15 0 8507 57.9 6.95 6399 430 1.1 6.88 0 0.0 0.00 3/26 11:00 0 8576 49.2 6.92 6371 425 1.2 6.84 0 0.0 0.00 3/26 10:45 0 8594 43.4 6.89 6373 425 1.4 6.80 0 0.0 0.00 3/26 10:30 0 8598 69.1 6.74 5656 433 1.5 6.72 690 3.1 6.47

count 23 4 5.75hours

DAILY SUMMARY: Gallons discharged 127,763 2,115

165,544NTU min 0.9

NTU max 1.5

Flow weighted average turbidity 0.7

pH min 6.72 pH max 7.05

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

3/27 19:00 0 956 61.6 6.81 578 462 0.4 7.22 122 2.3 7.22 3/27 18:45 0 9431 61.4 6.83 6974 465 0.7 7.23 0 0.0 0.00 Average pressure

Sea-Tac Airport 3rd Runway - South Pond System 1 PLC Data - March 20073/27 18:30 0 9454 62.9 6.82 6947 463 0.7 7.23 0 0.0 0.00

3/27 18:15 0 9521 63.7 6.84 6991 466 0.8 7.23 0 0.0 0.00 3/27 18:00 0 9504 67.8 6.83 6974 465 0.8 7.23 0 0.0 0.00 3/27 17:45 0 9543 68.6 6.83 7039 469 0.8 7.24 0 0.0 0.00 3/27 17:30 0 9525 69.5 6.83 6950 463 0.8 7.24 0 0.0 0.00 3/27 17:15 0 9521 70.1 6.83 7026 468 0.8 7.24 0 0.0 0.00 3/27 17:00 0 9497 65.2 6.85 6977 465 0.8 7.24 0 0.0 0.00 3/27 16:45 0 9478 67.5 6.86 6958 464 0.8 7.24 0 0.0 0.00 3/27 16:30 0 9504 60.9 6.86 6980 465 0.8 7.24 0 0.0 0.00 3/27 16:15 0 9492 64.5 6.85 7021 468 0.9 7.24 0 0.0 0.00 3/27 16:00 0 9513 68.7 6.84 7034 469 0.9 7.24 0 0.0 0.00 3/27 15:45 0 9527 69.8 6.85 7029 468 0.8 7.24 0 0.0 0.00 3/27 15:30 0 9524 66.7 6.85 6988 466 0.8 7.24 0 0.0 0.00 3/27 15:15 0 9497 65.2 6.85 7014 468 0.8 7.24 0 0.0 0.00 3/27 15:00 0 9438 65.3 6.86 7022 468 0.8 7.25 0 0.0 0.00 3/27 14:45 0 9568 69.8 6.87 7007 467 0.8 7.25 0 0.0 0.00 3/27 14:30 0 9549 74.5 6.87 7065 471 0.8 7.24 0 0.0 0.00 3/27 14:15 0 9512 77.2 6.86 7074 472 0.8 7.25 0 0.0 0.00 3/27 14:00 0 9540 75.6 6.87 7014 467 0.9 7.25 0 0.0 0.00 3/27 13:45 0 9551 69.8 6.89 7018 468 0.9 7.25 0 0.0 0.00 3/27 13:30 0 9531 71.3 6.90 7022 469 1.0 7.27 0 0.0 0.00 3/27 13:15 0 9603 74.6 6.92 7061 471 1.1 7.28 0 0.0 0.00 3/27 13:00 0 9657 78.7 6.92 7087 473 1.2 7.29 0 0.0 0.00 3/27 12:45 0 9654 76.8 6.91 7137 476 1.3 7.29 0 0.0 0.00 3/27 12:30 0 9640 74.7 6.92 7123 475 1.3 7.29 0 0.0 0.00 3/27 12:15 0 9539 73.3 6.93 7080 472 1.3 7.29 0 0.0 0.00 3/27 12:00 0 9638 70.1 6.92 7084 472 1.3 7.29 0 0.0 0.00 3/27 11:45 0 9637 72.3 6.92 7093 473 1.4 7.30 0 0.0 0.00 3/27 11:30 0 9659 74.5 6.91 7109 474 1.5 7.30 0 0.0 0.00 3/27 11:15 0 9608 72.7 6.90 7114 474 1.4 7.30 0 0.0 0.00 3/27 11:00 0 9620 68.9 6.91 7073 471 1.5 7.29 0 0.0 0.00 3/27 10:45 0 9609 65.3 6.92 7087 472 1.5 7.30 0 0.0 0.00 3/27 10:30 0 9571 59.3 6.94 7057 470 1.4 7.30 0 5.1 7.37 3/27 10:15 0 9545 55.3 6.93 6731 464 1.4 7.31 226 5.4 7.31 3/27 10:00 0 9743 62.7 6.98 6914 486 1.5 7.32 340 5.4 7.39 3/27 9:45 0 8030 99.9 7.07 5351 535 1.8 7.23 1540 4.4 7.53 3/27 7:00 0 6818112.87.32 4916 493 2.1 7.28 294 3.6 7.25 3/27 6:45 0 9555108.57.34 7400 493 2.1 7.28 0 0.0 0.00 3/27 6:30 0 9609107.87.34 7226 499 2.3 7.28 249 5.7 7.29 3/27 6:15 0 9248108.77.35 6935 486 2.3 7.27 364 6.0 7.27 3/27 6:00 0 8727114.87.34 6132 445 2.4 7.26 583 6.0 7.26 3/27 5:45 0 9359130.1 7.34 6948 489 2.6 7.24 388 5.8 7.24 3/27 5:30 0 9430120.67.34 6586 487 2.8 7.23 743 6.2 7.24 3/27 5:15 0 9339118.47.33 6514 491 2.7 7.21 893 6.2 7.22 3/27 5:00 0 9387118.47.34 6380 491 3.4 7.19 1010 6.3 7.19 3/27 4:45 0 9423123.37.33 6141 491 3.4 7.15 1260 6.3 7.16 3/27 4:30 0 9377118.97.30 6782 493 3.2 7.12 629 6.2 7.12 3/27 4:15 0 9335111.57.26 6988 482 2.6 7.07 247 5.8 7.08 3/27 4:00 0 9326100.07.22 7348 491 2.0 7.03 0 0.0 0.00 3/27 3:45 0 9507 93.9 7.16 7449 496 1.6 6.97 0 0.0 0.00 3/27 3:30 0 8929 89.3 7.06 6540 494 1.3 6.92 441 1.4 6.91 3/27 3:00 0 6014 88.5 7.07 4422 478 1.0 6.79 239 2.4 6.89 3/27 2:45 0 8642 43.5 7.16 6501 433 1.0 6.83 0 0.0 0.00 3/27 2:30 0 6479 58.4 7.24 4349 409 1.1 6.91 378 3.4 7.18count 56 4 14hours

DAILY SUMMARY: Gallons discharged 374,360 9,946

165,544NTU min 0.4

NTU max 3.4

Flow weighted average turbidity 0.7

pH min 6.79 pH max 7.32

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

3/28 6:15 0 4289 56.4 7.17 3129 464 0.5 7.28 110 0.5 7.23 3/28 6:00 0 9248 56.7 7.16 6887 459 0.6 7.27 0 0.0 0.00 3/28 5:45 0 9176 56.4 7.16 6903 460 0.5 7.26 0 0.0 0.00 3/28 5:30 0 9154 55.6 7.15 6871 458 0.6 7.25 0 0.0 0.00 3/28 5:15 0 9183 55.2 7.13 6853 457 0.5 7.24 0 0.0 0.00 3/28 5:00 0 9194 55.1 7.14 6908 460 0.5 7.23 0 0.0 0.00 3/28 4:45 0 9177 55.4 7.13 6898 460 0.5 7.22 0 0.0 0.00 3/28 4:30 0 9163 54.6 7.12 6924 462 0.5 7.21 0 0.0 0.00 3/28 4:15 0 9205 52.8 7.12 6872 458 0.5 7.20 0 0.0 0.00 3/28 4:00 0 9177 52.0 7.10 6896 459 0.5 7.18 0 0.0 0.00 3/28 3:45 0 9188 50.5 7.09 6956 464 0.4 7.17 0 0.0 0.00 3/28 3:30 0 9237 49.6 7.08 6964 464 0.4 7.16 0 0.0 0.00 3/28 3:15 0 9252 49.5 7.08 6934 462 0.5 7.16 0 0.0 0.00 3/28 3:00 0 9224 46.9 7.07 6887 459 0.5 7.16 0 0.0 0.00 3/28 2:45 0 9267 40.8 7.09 6944 463 0.5 7.18 0 0.0 0.00 3/28 2:30 0 7897 49.5 7.10 5383 458 0.6 7.19 447 3.0 7.37

count 16 4 4hours

DAILY SUMMARY: Gallons discharged 105,209 557

165,544NTU min 0.4

NTU max 0.6

Flow weighted average turbidity 0.7

pH min 7.16 pH max 7.28 System 1 PLC Data - March 2007 Average pressure

Average pressure Sea-Tac Airport 3rd Runway - South PondDate

(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

3/31 16:15 0 8722 83.7 7.23 6250 438 1.1 7.30 100 2.5 7.20 3/31 16:00 0 9004 82.9 7.22 6683 448 1.1 7.30 0 0.0 0.00 3/31 15:45 0 9016 83.0 7.22 6588 442 1.2 7.30 0 0.0 0.00 3/31 15:30 0 8980 82.4 7.22 6626 442 1.1 7.30 0 0.0 0.00 3/31 15:15 0 8960 80.2 7.22 6524 436 1.1 7.29 0 0.0 0.00 3/31 15:00 0 9058 78.6 7.21 6638 444 1.1 7.28 0 0.0 0.00 3/31 14:45 0 8986 78.0 7.21 6669 445 1.2 7.28 0 0.0 0.00 3/31 14:30 0 9099 78.1 7.21 6631 443 1.2 7.27 0 0.0 0.00 3/31 14:15 0 9061 75.5 7.20 6754 451 1.1 7.27 0 0.0 0.00 3/31 14:00 0 9123 75.1 7.20 6839 456 1.1 7.26 0 0.0 0.00 3/31 13:45 0 9134 73.7 7.21 6851 457 1.0 7.25 0 0.0 0.00 3/31 13:30 0 9198 71.4 7.20 6830 456 1.0 7.25 0 0.0 0.00 3/31 13:15 0 9148 66.8 7.20 6870 458 0.9 7.24 0 0.0 0.00 3/31 13:00 0 9215 62.5 7.18 6878 458 0.8 7.22 0 0.0 0.00 3/31 12:45 0 9211 56.7 7.18 6852 457 0.8 7.20 0 0.0 0.00 3/31 12:30 0 9237 50.9 7.16 6922 462 0.7 7.19 0 0.0 0.00 3/31 12:15 0 9210 43.8 7.17 6891 459 0.6 7.16 0 0.0 0.00 3/31 12:00 0 9254 35.7 7.15 6914 461 0.5 7.13 0 0.0 0.00 3/31 11:45 0 9289 28.1 7.11 6925 462 0.5 7.07 0 0.0 0.00 3/31 11:30 0 8296 25.1 7.05 5746 460 0.5 7.00 410 0.7 6.81 3/31 11:15 0 8383 19.9 7.15 6074 459 0.5 6.93 117 1.4 6.75 3/31 11:00 0 2617 22.9 7.05 1922 480 0.6 7.08 245 0.8 6.63

count 22 4 5.5hours

DAILY SUMMARY: Gallons discharged 141,877 872

165,544NTU min 0.5

NTU max 1.2

Flow weighted average turbidity 0.7

pH min 6.93 pH max 7.30 Average pressure Sea-Tac Airport 3rd Runway - South Pond System 1 PLC Data - March 2007Date

(mm/dd)Time

(HH:MM)Operator

Code Flow In (gal)Tur In

(NTU)pH In Flow Out (gal)

3/03 8:15 0 5733 61.7 7.43 4541 3/03 8:00 0 8529 62.2 7.42 6829 3/03 7:45 0 8545 62.5 7.41 6776 3/03 7:30 0 8495 63.2 7.41 6806 3/03 7:15 0 8531 64.4 7.39 6816 3/03 7:00 0 8526 65.3 7.36 6821 3/03 6:45 0 8544 66.1 7.36 6827 3/03 6:30 0 8497 67.3 7.35 6848 3/03 6:15 0 8529 67.7 7.34 6850 3/03 6:00 0 8542 68.0 7.33 6826 3/03 5:45 0 8512 68.1 7.32 6853 3/03 5:30 0 8552 68.3 7.30 6848 3/03 5:15 0 8531 68.1 7.27 6859 3/03 5:00 0 8567 67.6 7.21 6855 3/03 4:45 0 8509 67.5 7.14 6908 3/03 4:30 0 8560 65.6 7.07 6910 3/03 4:15 0 8632 61.7 6.97 6917 3/03 4:00 0 8684 56.1 6.90 6936 3/03 3:45 0 8732 48.5 6.78 6949 3/03 3:30 0 8846 39.6 6.60 6933 3/03 3:15 0 8935 39.5 6.45 6912 3/03 3:00 0 8373 27.8 5.81 6093 3/03 2:45 0 4357 47.6 5.54 2715 3/03 2:30 0 3038120.76.92 0 count 24 4 5.75hours

DAILY SUMMARY: Gallons discharged 150,628

152,617

Flow weighted average turbidity Sea-Tac Airport 3rd Runway - South Pond System 2 PLC Data - March 2007

Sea-Tac Airport 3rd Runway - South Pond System 2 PLC Data - March 2007Date

(mm/dd)Time

(HH:MM)Operator

Code Flow In (gal)Tur In

(NTU)pH In Flow Out (gal)

3/0817:45 0 2413 59.0 8.03 1819 3/0817:30 0 8950 57.4 8.04 7391 3/0817:15 0 8926 54.3 8.05 7368 3/0817:00 0 8908 50.8 8.05 7363 3/0816:45 0 8885 47.0 8.06 7377 3/0816:30 0 8881 43.4 8.06 7371 3/0816:15 0 8909 40.6 8.06 7362 3/0816:00 0 8929 38.2 8.06 7398 3/0815:45 0 8929 36.9 8.05 7401 3/0815:30 0 8889 35.4 8.05 7426 3/0815:15 0 8975 34.5 8.02 7371 3/0815:00 0 1416 47.2 7.95 738 3/0814:30 0 5381 32.8 8.05 4316 3/0814:15 0 8903 32.8 8.05 7371 3/0814:00 0 8869 34.4 8.03 7303 3/0813:45 0 8940 40.0 8.01 7360 3/0813:30 0 9378 25.2 8.02 7672 3/0813:15 0 9353 30.1 8.01 7140 3/0812:00 0 3399 70.0 7.81 2107 3/08 5:45 0 7805 62.5 8.04 6124 3/08 5:30 0 8954 51.2 8.05 7072 3/08 5:15 0 9060 47.3 8.05 7060 3/08 5:00 0 8983 45.6 8.05 7094 3/08 4:45 0 8956 46.8 8.05 7088 3/08 4:30 0 9016 45.4 8.05 7075 3/08 4:15 0 8965 65.0 8.04 7060 3/08 4:00 0 8966 63.6 8.04 7102 3/08 3:45 0 8971 54.1 8.05 7112 3/08 3:30 0 9091 46.3 8.06 7102 3/08 3:15 0 9087 39.4 8.06 7143 3/08 3:00 0 9120 35.8 8.04 7118 3/08 2:45 0 9127 33.0 8.01 7095 3/08 2:30 0 9016 28.1 7.91 7105 3/08 2:15 0 8561 53.2 7.49 5815 count 34 4 5.75hours

DAILY SUMMARY: Gallons discharged223,819

226,075

Flow weighted average turbidityDate

(mm/dd)Time

(HH:MM)Operator

Code Flow In (gal)Tur In

(NTU)pH In Flow Out (gal)

3/0914:30 0 5676 56.3 7.51 4266 3/0914:15 0 9472 55.6 7.50 7313 3/0914:00 0 9511 55.4 7.49 7331 3/0913:45 0 9491 55.4 7.49 7299 3/0913:30 0 9477 54.5 7.48 7329 3/0913:15 0 9443 53.5 7.47 7338 3/0913:00 0 9506 52.3 7.46 7321 3/0912:45 0 9490 50.4 7.44 7362 3/0912:30 0 9510 47.5 7.43 7351 3/0912:15 0 9500 44.3 7.39 7361 3/0912:00 0 9514 40.4 7.33 7349 3/0911:45 0 9478 36.1 7.17 7368 3/0911:30 0 9443 39.7 6.67 7234 3/0911:15 0 3997 8.8 6.60 2638 count 14 4 5.75hours

DAILY SUMMARY: Gallons discharged 94,860

95,514

Flow weighted average turbidity

Date (mm/dd)Time

(HH:MM)Operator

Code Flow In (gal)Tur In

(NTU)pH In Flow Out (gal)

3/11 23:45 0 9538 43.5 7.28 7215 3/11 23:30 0 9534 41.4 7.27 7186 3/11 23:15 0 9511 41.5 7.27 7193 3/11 23:00 0 9558 41.3 7.27 7158 3/11 22:45 0 9512 40.5 7.26 7200 3/11 22:30 0 9459 40.6 7.26 7199 3/11 22:15 0 9507 40.0 7.25 7192 Sea-Tac Airport 3rd Runway - South Pond System 2 PLC Data - March 2007

Sea-Tac Airport 3rd Runway - South Pond System 2 PLC Data - March 20073/11 22:00 0 9567 40.7 7.25 7147

3/11 21:45 0 9534 39.8 7.25 7193 3/11 21:30 0 9492 40.2 7.24 7190 3/11 21:15 0 9548 40.4 7.23 7150 3/11 21:00 0 9447 40.1 7.23 7191 3/11 20:45 0 9405 40.3 7.23 7182 3/11 20:30 0 9500 40.3 7.23 7192 3/11 20:15 0 9611 41.1 7.22 7183 3/11 20:00 0 9472 43.2 7.24 7183 3/11 19:45 0 3253 66.9 7.26 2026 3/11 19:30 0 4768 50.2 7.24 3449 3/11 19:15 0 9520 45.9 7.23 7188 3/11 19:00 0 9463 46.3 7.23 7218 3/11 18:45 0 9555 47.3 7.23 7176 3/11 18:30 0 9531 47.3 7.23 7206 3/11 18:15 0 9514 47.3 7.22 7200 3/11 18:00 0 9519 47.5 7.22 7217 3/11 17:45 0 9585 47.8 7.21 7174 3/11 17:30 0 9565 47.7 7.22 7201 3/11 17:15 0 9493 47.8 7.22 7219 3/11 17:00 0 9569 48.3 7.22 7182 3/11 16:45 0 9532 47.9 7.21 7203 3/11 16:30 0 9522 48.5 7.21 7208 3/11 16:15 0 9568 48.5 7.22 7211 3/11 16:00 0 9575 48.8 7.22 7177 3/11 15:45 0 9537 48.7 7.22 7183 3/11 15:30 0 9580 49.1 7.22 7221 3/11 15:15 0 9573 49.4 7.22 7171 3/11 15:00 0 9495 49.6 7.22 7169 3/11 14:45 0 9516 49.3 7.22 7176 3/11 14:30 0 9552 49.8 7.22 7183 3/11 14:15 0 9567 49.9 7.23 7158 3/11 14:00 0 9527 50.0 7.24 7190 3/11 13:45 0 9503 50.1 7.24 7217 3/11 13:30 0 9556 50.1 7.25 7171 3/11 13:15 0 9569 50.1 7.26 7131 3/11 13:00 0 9523 49.6 7.27 7172 3/11 12:45 0 9548 49.0 7.29 7176 3/11 12:30 0 9576 48.7 7.30 7169 3/11 12:15 0 9554 47.7 7.31 7160 3/11 12:00 0 9519 46.5 7.33 7160 3/11 11:45 0 9563 44.5 7.35 7178 3/11 11:30 0 9547 42.4 7.38 7152 3/11 11:15 0 9541 40.1 7.42 7198 3/11 11:00 0 9518 37.5 7.53 7183 3/11 10:45 0 4272 65.3 7.80 2775 3/11 7:00 0 998 48.6 7.35 719 3/11 6:45 0 9546 47.5 7.36 7176 3/11 6:30 0 9435 54.3 7.38 6637 3/11 6:00 0 8475 53.4 7.37 6438 3/11 5:45 0 9371 47.1 7.38 7177 3/11 5:30 0 8764 52.5 7.40 63343/11 4:45 0 7802 53.5 7.38 5883

3/11 4:30 0 9379 52.4 7.39 7224 3/11 4:15 0 9496 51.8 7.40 7193 3/11 4:00 0 9431 50.7 7.41 7250 3/11 3:45 0 9429 49.3 7.42 7257 3/11 3:30 0 9489 48.0 7.43 7283 3/11 3:15 0 9483 45.8 7.44 7246 3/11 3:00 0 9514 43.2 7.44 7283 3/11 2:45 0 9482 40.4 7.44 7279 3/11 2:30 0 9590 37.6 7.43 7299 3/11 2:15 0 9515 35.8 7.41 7281 3/11 2:00 0 9518 34.2 7.39 7303 3/11 1:45 0 3699 83.2 7.34 2248 count 72 4 18hours

DAILY SUMMARY: Gallons discharged490,012

492,098

Flow weighted average turbidity

Date (mm/dd)Time

(HH:MM)Operator

Code Flow In (gal)Tur In

(NTU)pH In Flow Out (gal)

3/1222:15 0 9310130.48.08 2476 3/1222:00 0 9788143.38.07 6961 3/1221:45 0 9802137.98.01 7241 3/1221:30 0 9801 129.67.93 7482 3/1221:15 0 3175173.97.80 1991 3/12 18:00 0 5244148.07.95 3839 3/12 17:45 0 9725142.77.89 7419 3/12 17:30 0 7570140.87.76 5331 3/12 16:45 0 5073142.77.79 3735 3/12 16:30 0 9225140.47.68 6579 3/12 15:45 0 7310125.87.67 5392 3/12 15:30 0 9636117.87.62 7295 3/12 15:15 0 9678119.27.58 7346 3/12 15:00 0 9694101.57.54 7309 3/12 14:45 0 9668 92.6 7.49 7340 3/12 14:30 0 9728 83.1 7.44 7350 Sea-Tac Airport 3rd Runway - South Pond System 2 PLC Data - March 20073/12 14:15 0 9692 75.3 7.39 7349

3/12 14:00 0 9706 68.8 7.35 7325 3/12 13:45 0 9740 62.7 7.31 7409 3/12 13:30 0 9800 57.3 7.27 7554 3/12 13:15 0 9850 53.9 7.24 7510 3/12 13:00 0 9875 50.1 7.22 7502 3/12 12:45 0 9828 49.0 7.20 7524 3/12 12:30 0 9104 70.4 7.18 6536 3/12 11:15 0 1682160.67.20 1239 3/12 11:00 0 9744 60.9 7.21 7504 3/12 10:45 0 9600 61.1 7.21 7177 3/12 10:30 0 5295 71.3 7.22 2720 3/12 10:15 0 6206 68.1 7.21 3663 3/12 10:00 0 8357 68.2 7.21 5103 3/12 9:45 0 8492 69.1 7.21 5155 3/12 9:30 0 9491 69.2 7.21 6753 3/12 9:15 0 9533 68.2 7.21 7020 3/12 9:00 0 9533 67.9 7.20 6759 3/12 8:45 0 9510 67.0 7.20 6854 3/12 8:30 0 9473 66.3 7.20 6968 3/12 8:15 0 9516 65.2 7.20 7036 3/12 8:00 0 9614 65.0 7.20 7168 3/12 7:45 0 9570 65.4 7.20 7172 3/12 7:30 0 9545 65.6 7.20 7184 3/12 7:15 0 9527 66.7 7.20 7179 3/12 7:00 0 9540 67.6 7.20 7159 3/12 6:45 0 9567 67.3 7.20 7167 3/12 6:30 0 9572 66.5 7.20 7172 3/12 6:15 0 9589 66.8 7.20 7141 3/12 6:00 0 9537 66.4 7.20 7173 3/12 5:45 0 9610 68.5 7.21 7231 3/12 5:30 0 9578 69.6 7.21 7178 3/12 5:15 0 9593 70.3 7.22 7167 3/12 5:00 0 9593 70.2 7.23 7183 3/12 4:45 0 9599 69.8 7.23 7162 3/12 4:30 0 9531 70.2 7.24 7225 3/12 4:15 0 9560 70.3 7.25 7150 3/12 4:00 0 9515 69.2 7.26 7134 3/12 3:45 0 9593 68.2 7.26 7187 3/12 3:30 0 9589 63.9 7.27 7169 3/12 3:15 0 9536 60.7 7.28 7176 3/12 3:00 0 9500 54.7 7.29 7178 3/12 2:45 0 9550 47.2 7.31 7193 3/12 2:30 0 9519 41.5 7.33 7178 3/12 2:15 0 6663 58.6 7.40 4653 3/12 :15 0 1301 85.8 7.29 840 3/12 : 0 9593 46.9 7.29 7166 count 63 415.75hours

DAILY SUMMARY: Gallons discharged405,431416,707

Flow weighted average turbidity

Date (mm/dd)Time

(HH:MM)Operator

Code Flow In (gal)Tur In

(NTU)pH In Flow Out (gal)

3/1317:00 0 5497118.1 7.34 3585 3/1316:45 0 8910119.67.66 5637 3/1316:30 0 8981 125.1 8.09 4690 3/1316:15 0 8965123.08.08 5094 3/1316:00 0 8927120.38.06 5461 3/1315:45 0 8935116.78.02 5469 3/1315:30 0 8989113.07.93 5634 3/1315:15 0 8886107.67.78 5949 3/1315:00 0 9028101.67.55 6471 3/1314:45 0 9084 94.1 7.25 6453 3/1314:30 0 9037 85.2 7.00 6502 3/1314:15 0 9032 78.2 7.06 6431 3/1314:00 0 8995 77.2 7.90 2811 3/1313:45 0 9023 86.6 8.07 0 3/1313:30 0 9031 94.8 7.82 2687 3/1313:15 0 6461 96.9 7.22 1650 count 16 4 4hours

DAILY SUMMARY: Gallons discharged 74,524

98,023

Flow weighted average turbidity Sea-Tac Airport 3rd Runway - South Pond System 2 PLC Data - March 2007

Sea-Tac Airport 3rd Runway - South Pond System 2 PLC Data - March 2007Date

(mm/dd)Time

(HH:MM)Operator

Code Flow In (gal)Tur In

(NTU)pH In Flow Out (gal)
3/1516:45 0 6653 64.0 7.47 4857 3/1516:30 0 8658 66.9 7.49 6476 3/1516:15 0 8770 73.6 7.50 6391 3/1516:00 0 8521 75.9 7.48 6409 3/1515:45 0 8703 73.6 7.46 6196 3/1515:30 0 8441 71.7 7.42 4455 3/1515:15 0 8623 77.0 7.38 403 3/1515:00 0 3140 15.2 6.71 1652 count 8 4 2hours

DAILY SUMMARY: Gallons discharged 36,839

45,476

Flow weighted average turbidity

Date (mm/dd)Time

(HH:MM)Operator

Code Flow In (gal)Tur In

(NTU)pH In Flow Out (gal)

3/1612:15 0 7820 33.9 7.42 5618 3/1612:00 0 5113 35.7 7.44 3438 3/1611:45 0 1796 42.4 7.41 1317 3/1611:30 0 8885 42.1 7.42 6453 3/1611:15 0 8777 41.3 7.43 6489 3/1611:00 0 8799 39.2 7.46 6483 3/1610:45 0 8939 35.6 7.49 6423 3/1610:30 0 8930 31.1 7.55 6469 3/1610:15 0 8526 26.6 7.66 6275 3/1610:00 0 5160 45.1 7.94 4660 count 10 4 2.5hours

DAILY SUMMARY: Gallons discharged 53,625

54,774 Sea-Tac Airport 3rd Runway - South Pond System 2 PLC Data - March 2007Flow weighted average turbidity

Date (mm/dd)Time

(HH:MM)Operator

Code Flow In (gal)Tur In

(NTU)pH In Flow Out (gal)

3/2015:30 0 248 71.7 7.24 105 3/2015:15 0 9239 71.8 7.24 5660 3/2015:00 0 8880 77.9 7.23 5915 3/2014:45 0 8771 82.7 7.23 5982 3/2014:30 0 8760 84.1 7.23 5623 3/2014:15 0 8800 85.7 7.24 5601 3/2014:00 0 8771 86.7 7.24 5741 3/2013:45 0 8769 88.0 7.24 5742 3/2013:30 0 8839 83.2 7.24 5520 3/2013:15 0 8780 82.4 7.24 5536 3/2013:00 0 8772 86.5 7.24 5733 3/2012:45 0 8801 90.1 7.24 5559 3/2012:30 0 8812 89.1 7.25 5533 3/2012:15 0 8762 88.2 7.25 5742 3/2012:00 0 8863 87.6 7.26 5840 3/2011:45 0 8853 87.7 7.27 5548 3/2011:30 0 8776 88.1 7.27 5647 3/2011:15 0 8756 88.8 7.28 5740 3/2011:00 0 8763 90.1 7.30 5651 3/2010:45 0 8828 93.4 7.31 5728 3/2010:30 0 8771 83.3 7.33 5659 3/2010:15 0 8809 71.9 7.35 6143 3/2010:00 0 8920 61.5 7.38 6031 3/20 9:45 0 8890 52.3 7.42 5953 3/20 9:30 0 8861 45.3 7.48 6079 3/20 9:15 0 8697 57.0 7.65 5350 3/20 5:00 0 1080 79.4 7.28 623 3/20 4:45 0 8769 76.2 7.28 5894 3/20 4:30 0 8789 75.2 7.28 5913 3/20 4:15 0 8720 72.9 7.28 6010 3/20 4:00 0 8800 69.3 7.28 5800 3/20 3:45 0 8779 65.3 7.27 5953 3/20 3:30 0 8775 63.6 7.27 6019 3/20 3:15 0 8875 67.7 7.27 6088 3/20 3:00 0 8772 69.5 7.27 6059 3/20 2:45 0 8770 67.7 7.27 6277 3/20 2:30 0 8880 64.5 7.27 6304 3/20 2:15 0 8897 61.0 7.26 6409 Sea-Tac Airport 3rd Runway - South Pond System 2 PLC Data - March 20073/20 2:00 0 8884 55.5 7.26 6463

3/20 1:45 0 8907 49.7 7.25 6468 3/20 1:30 0 8915 41.6 7.24 6477 3/20 1:15 0 8891 31.7 7.23 6302 3/20 1:00 0 8915 21.9 7.23 4122 3/20 :45 0 8534 12.3 7.22 2330 3/20 :30 0 5718 20.3 7.23 4585 count 45 411.25hours

DAILY SUMMARY: Gallons discharged247,457

268,166

Flow weighted average turbidity

Date (mm/dd)Time

(HH:MM)Operator

Code Flow In (gal)Tur In

(NTU)pH In Flow Out (gal)
3/2317:00 0 902 35.7 7.23 492 3/2316:45 0 8916 36.8 7.22 5948 3/2316:30 0 9051 38.7 7.21 5932 3/2316:15 0 9080 41.4 7.20 5940 3/2316:00 0 8950 37.7 7.18 5920 3/2315:45 0 8975 36.2 7.16 5704 3/2315:30 0 9018 31.6 7.14 5374 3/2315:15 0 7181 30.7 7.13 5631 3/2315:00 0 6605 30.6 7.12 6631 3/2314:45 0 6967 28.7 7.09 6963 3/2314:30 0 7254 25.7 7.04 7189 3/2314:15 0 3733 37.4 6.97 3164 count 12 4 3hours

DAILY SUMMARY: Gallons discharged 64,888

66,393

Flow weighted average turbidity Sea-Tac Airport 3rd Runway - South Pond System 2 PLC Data - March 2007Flow Out

(gpm)Tur Out

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

(NTU)pH Rec

454 1.4 6.79 30 1.1 6.25 455 1.4 6.85 0 0.0 0.00 452 1.4 6.89 0 0.0 0.00 454 1.4 6.93 0 0.0 0.00 455 1.3 6.98 0 0.0 0.00 455 1.4 7.00 0 0.0 0.00 455 1.4 7.03 0 0.0 0.00 457 1.4 7.05 0 0.0 0.00 457 1.3 7.09 0 0.0 0.00 455 1.4 7.12 0 0.0 0.00 457 1.4 7.14 0 0.0 0.00 456 1.4 7.13 0 0.0 0.00 457 1.4 7.14 0 0.0 0.00 457 1.4 7.14 0 0.0 0.00 460 1.3 7.16 0 0.0 0.00 461 1.3 7.16 0 0.0 0.00 461 1.3 7.13 0 0.0 0.00 462 1.3 7.13 0 0.0 0.00 463 1.2 7.10 0 0.0 0.00 462 1.3 7.04 0 0.0 0.00 461 1.4 6.92 0 0.0 0.00 469 1.9 924 16.2 5.37 448 1.5 1035 32.3 5.95 0 0 1.2 6.33

1,989

NTU min 1.2 NTU max 1.9

Flow weighted average turbidity 1.4

pH min 6.79 pH max 7.16 Sea-Tac Airport 3rd Runway - South Pond System 2 PLC Data - March 2007

Sea-Tac Airport 3rd Runway - South Pond System 2 PLC Data - March 2007 Average pressureFlow Out

(gpm)Tur Out

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

(NTU)pH Rec

486 1.5 7.66 11 0.9 7.14 493 1.1 7.72 0 0.0 0.00 491 1.1 7.78 0 0.0 0.00 490 1.1 7.81 0 0.0 0.00 492 1.0 7.83 0 0.0 0.00 491 1.0 7.85 0 0.0 0.00 491 1.0 7.86 0 0.0 0.00 493 0.9 7.87 0 0.0 0.00 493 0.9 7.87 0 0.0 0.00 495 0.9 7.87 0 0.0 0.00 492 0.9 7.84 0 0.0 0.00 492 0.7 7.78 456 0.9 7.75 493 0.8 7.90 139 1.1 7.76 491 0.8 7.90 0 0.0 0.00 487 0.8 7.89 0 0.0 0.00 491 0.7 7.88 0 0.0 0.00 512 0.8 7.86 0 0.0 0.00 519 1.8 7.75 412 3.0 7.59 468 3.3 7.76 539 3.5 7.60 471 2.7 7.70 52 2.4 7.03 471 2.7 7.71 0 0.0 0.00 470 2.6 7.72 0 0.0 0.00 473 2.5 7.72 0 0.0 0.00 473 2.4 7.71 0 0.0 0.00 472 2.4 7.69 0 0.0 0.00 470 2.4 7.68 0 0.0 0.00 473 2.3 7.69 0 0.0 0.00 474 2.3 7.69 0 0.0 0.00 473 2.2 7.68 0 0.0 0.00 476 2.2 7.65 0 0.0 0.00 475 2.1 6.99 0 0.0 0.00 473 2.2 6.85 0 0.0 0.00 473 2.2 6.71 0 0.0 0.00 476 2.5 6.53 647 10.1 6.94

2,256

NTU min 0.7 NTU max 3.3

Flow weighted average turbidity 1.7

pH min 6.53 pH max 7.90 Average pressureFlow Out

(gpm)Tur Out

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

(NTU)pH Rec

487 1.7 7.13 96 1.7 7.04 487 1.7 7.13 0 0.0 0.00 489 1.8 7.12 0 0.0 0.00 487 1.7 7.12 0 0.0 0.00 488 1.7 7.12 0 0.0 0.00 489 1.6 7.11 0 0.0 0.00 488 1.7 7.11 0 0.0 0.00 490 1.6 7.12 0 0.0 0.00 490 1.5 7.12 0 0.0 0.00 490 1.6 7.12 0 0.0 0.00 490 1.5 7.12 0 0.0 0.00 491 1.6 7.05 0 0.0 0.00 491 2.8 6.85 142 9.8 6.61 479 2.7 6.86 416 2.7 6.86

654

NTU min 1.5 NTU max 2.8

Flow weighted average turbidity 1.8

pH min 6.85 pH max 7.13

Flow Out (gpm)Tur Out

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

(NTU)pH Rec

480 6.2 6.71 0 0.0 0.00 479 6.0 6.71 0 0.0 0.00 480 5.9 6.70 0 0.0 0.00 477 5.9 6.70 0 0.0 0.00 480 5.8 6.70 0 0.0 0.00 480 5.7 6.70 0 0.0 0.00 480 5.6 6.70 0 0.0 0.00 Sea-Tac Airport 3rd Runway - South Pond System 2 PLC Data - March 2007

Average pressure

Sea-Tac Airport 3rd Runway - South Pond System 2 PLC Data - March 2007476 5.5 6.70 0 0.0 0.00

480 5.5 6.70 0 0.0 0.00 479 6.6 6.70 0 0.0 0.00 477 6.2 6.70 0 0.0 0.00 480 5.5 6.69 0 0.0 0.00 479 5.2 6.68 0 0.0 0.00 479 5.3 6.68 0 0.0 0.00 479 5.5 6.67 0 0.0 0.00 479 5.4 6.65 0 0.0 0.00 477 4.8 6.57 394 4.7 6.56 477 4.6 6.68 142 4.3 6.69 479 4.4 6.67 0 0.0 0.00 481 4.4 6.67 0 0.0 0.00 478 4.3 6.67 0 0.0 0.00 480 4.1 6.66 0 0.0 0.00 480 4.0 6.67 0 0.0 0.00 481 4.3 6.67 0 0.0 0.00 478 5.4 6.67 0 0.0 0.00 480 6.0 6.67 0 0.0 0.00 481 5.9 6.67 0 0.0 0.00 479 5.9 6.67 0 0.0 0.00 480 5.6 6.67 0 0.0 0.00 480 4.8 6.68 0 0.0 0.00 481 3.9 6.68 0 0.0 0.00 479 3.3 6.68 0 0.0 0.00 479 3.0 6.68 0 0.0 0.00 481 2.9 6.68 0 0.0 0.00 479 2.9 6.69 0 0.0 0.00 478 2.8 6.70 0 0.0 0.00 478 2.6 6.70 0 0.0 0.00 479 2.6 6.71 0 0.0 0.00 477 2.6 6.71 0 0.0 0.00 480 2.5 6.73 0 0.0 0.00 481 2.4 6.73 0 0.0 0.00 478 2.4 6.74 0 0.0 0.00 476 2.3 6.76 0 0.0 0.00 478 2.2 6.77 0 0.0 0.00 478 2.1 6.79 0 0.0 0.00 478 2.1 6.81 0 0.0 0.00 477 2.1 6.82 0 0.0 0.00 477 2.0 6.84 0 0.0 0.00 479 2.0 6.87 0 0.0 0.00 477 2.0 6.89 0 0.0 0.00 480 2.0 6.91 0 0.0 0.00 479 2.0 6.92 0 0.0 0.00 483 2.6 6.85 393 3.6 6.72 480 2.2 6.97 10 3.6 6.93 478 2.2 6.98 0 0.0 0.00 475 2.4 6.98 364 3.3 6.89 477 2.7 6.92 9 16.5 6.68 479 2.5 6.94 0 0.0 0.00 478 2.7 6.90 353 2.7 6.68480 2.5 6.89 15 2.0 6.69

482 2.5 6.91 0 0.0 0.00 479 2.5 6.91 0 0.0 0.00 483 2.4 6.92 0 0.0 0.00 483 2.3 6.94 0 0.0 0.00 486 2.3 6.96 0 0.0 0.00 483 2.2 6.97 0 0.0 0.00 486 2.0 6.99 0 0.0 0.00 485 1.8 7.01 0 0.0 0.00 487 1.8 7.03 0 0.0 0.00 485 1.6 7.05 0 0.0 0.00 487 1.7 6.88 0 0.0 0.00 473 2.5 6.79 406 4.9 7.06

2,086

NTU min 1.6 NTU max 6.6

Flow weighted average turbidity 3.6

pH min 6.57 pH max 7.05

Flow Out (gpm)Tur Out

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

(NTU)pH Rec

472 5.6 7.02 4412 4.5 6.84 497 5.2 7.00 491 10.5 7.02 491 4.6 6.99 121 9.9 7.00 499 3.9 6.92 0 0.0 0.00 498 3.5 6.79 410 4.6 6.68 498 4.3 6.89 107 3.6 6.79 494 3.6 6.86 0 0.0 0.00 495 2.8 6.76 480 2.9 6.67 498 2.6 6.83 120 2.3 6.85 497 2.3 6.72 456 11.9 6.58 490 1.7 6.77 116 2.3 6.82 487 1.5 6.74 0 0.0 0.00 490 1.3 6.72 0 0.0 0.00 487 1.2 6.69 0 0.0 0.00 490 1.0 6.65 0 0.0 0.00 490 0.8 6.61 0 0.0 0.00 Sea-Tac Airport 3rd Runway - South Pond System 2 PLC Data - March 2007 Average pressure490 0.8 6.59 0 0.0 0.00

488 0.7 6.56 0 0.0 0.00 494 0.7 6.53 0 0.0 0.00 504 0.6 6.51 0 0.0 0.00 501 0.6 6.50 0 0.0 0.00 500 0.6 6.48 0 0.0 0.00 501 0.6 6.47 0 0.0 0.00 503 0.6 6.39 420 2.5 6.35 495 0.7 6.47 32 4.5 6.25 500 0.6 6.47 0 0.0 0.00 477 0.9 6.40 0 0.0 0.00 363 7.1 6.35 691 9.9 6.36 376 9.2 6.47 467 10.2 6.47 378 9.1 6.47 559 10.3 6.46 383 8.9 6.48 569 10.3 6.47 474 8.8 6.49 349 10.2 6.48 477 8.7 6.49 120 10.1 6.49 475 8.6 6.49 355 10.2 6.49 472 8.4 6.49 233 10.0 6.49 472 8.2 6.49 119 10.0 6.49 477 8.1 6.49 119 10.0 6.48 478 7.9 6.49 0 0.0 0.00 478 7.7 6.49 0 0.0 0.00 479 7.6 6.50 0 0.0 0.00 479 7.5 6.50 0 0.0 0.00 477 7.4 6.50 0 0.0 0.00 478 7.3 6.51 0 0.0 0.00 478 7.1 6.52 0 0.0 0.00 476 7.1 6.52 0 0.0 0.00 478 7.0 6.53 0 0.0 0.00 482 6.8 6.54 0 0.0 0.00 479 6.8 6.55 0 0.0 0.00 478 6.7 6.56 0 0.0 0.00 479 6.6 6.57 0 0.0 0.00 478 6.5 6.59 0 0.0 0.00 482 6.5 6.61 0 0.0 0.00 477 6.4 6.62 0 0.0 0.00 476 6.3 6.64 0 0.0 0.00 479 6.3 6.66 0 0.0 0.00 478 6.3 6.67 0 0.0 0.00 479 6.3 6.69 0 0.0 0.00 478 6.3 6.70 0 0.0 0.00 479 6.3 6.71 0 0.0 0.00 479 6.3 6.70 0 0.0 0.00 477 6.3 6.65 401 6.7 6.53 479 6.2 6.71 129 7.5 6.70 478 6.3 6.72 0 0.0 0.00

11,276Average pressureNTU min 0.6

NTU max 9.2

Flow weighted average turbidity 4.9

pH min 7.27 pH max 7.47

Flow Out (gpm)Tur Out

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

(NTU)pH Rec

422 1.2 6.80 317 2.6 6.65 426 1.8 6.99 736 5.1 7.03 428 4.0 7.18 1671 6.4 7.17 431 3.7 7.17 1366 6.0 7.17 429 3.4 7.18 943 6.0 7.18 436 3.0 7.15 915 6.1 7.16 424 2.5 7.08 735 5.5 7.08 425 2.0 7.02 420 5.1 7.01 430 1.6 6.93 106 4.6 6.98 431 1.3 6.78 0 0.0 0.00 433 1.1 6.65 0 0.0 0.00 429 1.0 6.71 0 0.0 0.00 432 2.5 7.20 3576 5.9 7.42 426 4.9 7.36 6293 6.5 7.33 430 2.9 6.92 3718 7.2 6.84 438 3.7 7.15 2703 17.2 6.69

23,499

NTU min 1.0 NTU max 4.9

Flow weighted average turbidity 2.2

pH min 6.65 pH max 7.36 Sea-Tac Airport 3rd Runway - South Pond System 2 PLC Data - March 2007 Readings used are taken from daily logs

Average pressure

Sea-Tac Airport 3rd Runway - South Pond System 2 PLC Data - March 2007Flow Out

(gpm)Tur Out

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

(NTU)pH Rec

432 1.0 6.96 79 0.7 6.63 432 1.0 6.99 0 0.0 0.00 426 1.1 7.01 0 0.0 0.00 434 0.9 7.01 104 4.3 7.00 428 1.1 6.94 211 4.5 6.94 435 1.0 6.71 2151 1.5 6.24 401 0.7 6.78 6016 1.7 5.92 339 0.6 6.77 76 0.6 6.76

8,637

NTU min 0.6 NTU max 1.1

Flow weighted average turbidity 0.1

pH min 6.71 pH max 7.01

Flow Out (gpm)Tur Out

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

(NTU)pH Rec

432 0.8 7.06 95 0.7 6.87 430 0.8 7.01 438 0.8 6.95 439 0.7 7.07 47 0.5 6.79 430 0.8 7.07 0 0.0 0.00 433 0.8 7.09 0 0.0 0.00 432 0.8 7.11 0 0.0 0.00 428 0.8 7.13 0 0.0 0.00 431 0.8 7.16 0 0.0 0.00 433 0.8 7.17 208 4.7 7.16 478 0.5 7.15 361 1.9 6.94

1,149

NTU min 0.5 NTU max 0.8 Average pressure Average pressure

Sea-Tac Airport 3rd Runway - South Pond System 2 PLC Data - March 2007Flow weighted average turbidity 0.8

pH min 7.01 pH max 7.17

Flow Out (gpm)Tur Out

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

(NTU)pH Rec

421 1.2 6.99 29 1.6 6.84 420 1.4 6.96 622 5.1 6.95 415 1.4 6.99 308 4.9 6.98 413 1.4 6.97 204 4.7 6.92 409 1.5 6.97 507 4.9 6.94 407 1.4 6.97 500 5.0 6.94 410 1.5 6.97 400 5.0 6.96 410 1.6 6.98 396 4.9 6.97 409 1.7 6.95 602 5.0 6.93 410 1.8 6.96 605 5.0 6.95 410 1.8 6.95 401 4.9 6.94 412 1.8 6.95 609 5.0 6.95 410 1.8 6.95 608 5.0 6.96 410 1.8 6.97 413 5.0 6.97 417 1.8 6.96 415 5.0 6.96 411 1.8 6.96 608 4.9 6.93 411 1.8 6.96 511 5.0 6.95 410 1.7 6.98 410 4.9 6.99 411 1.7 6.99 520 4.9 6.96 409 1.6 7.00 411 4.8 7.00 412 1.5 7.02 515 4.7 7.03 416 1.5 7.02 103 4.6 7.00 416 1.5 7.02 207 4.7 7.03 417 1.4 7.02 311 4.7 7.03 420 1.5 7.02 210 4.6 7.00 419 1.5 7.05 950 5.7 7.11 415 1.3 7.05 106 3.7 6.73 414 1.5 7.05 307 4.7 7.05 415 1.6 7.05 310 4.7 7.06 415 1.7 7.05 207 4.7 7.02 414 1.6 7.04 413 4.6 7.04 418 1.6 7.05 315 4.5 7.06 415 1.6 7.06 209 4.5 7.07 420 1.7 7.04 213 4.6 7.06 418 1.6 7.04 207 4.5 7.04 418 1.5 7.02 0 0.0 0.00 427 1.4 6.97 106 4.6 6.98 427 1.4 6.94 0 0.0 0.00 Sea-Tac Airport 3rd Runway - South Pond System 2 PLC Data - March 2007431 1.1 6.90 0 0.0 0.00

431 0.9 6.84 0 0.0 0.00 432 0.9 6.77 0 0.0 0.00 427 0.7 6.68 109 0.7 6.56 423 0.8 6.58 2267 0.5 6.45 466 0.6 6.76 4228 0.8 6.30 482 1.1 6.76 337 4.2 6.96

20,709

NTU min 0.6 NTU max 1.8

Flow weighted average turbidity 1.5

pH min 6.58 pH max 7.06

Flow Out (gpm)Tur Out

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

(NTU)pH Rec

394 1.9 6.83 95 3.8 6.58 396 1.3 6.88 0 0.0 0.00 395 1.4 7.03 0 0.0 0.00 396 1.3 7.12 0 0.0 0.00 395 1.3 7.19 0 0.0 0.00 393 1.4 7.33 192 4.4 7.43 390 1.2 7.46 473 4.5 7.50 395 1.0 7.10 266 5.7 7.25 442 0.6 6.78 0 0.0 0.00 464 0.7 6.72 0 0.0 0.00 479 0.7 6.81 0 0.0 0.00 486 0.9 7.19 479 4.3 7.94

1,505

NTU min 0.6 NTU max 1.9

Flow weighted average turbidity 1.1

pH min 6.72 Average pressure Sea-Tac Airport 3rd Runway - South Pond System 2 PLC Data - March 2007 Average pressurepH max 7.46Date

(mm/dd)Time

(HH:MM)Operator

Code Flow In (gal)Tur In

(NTU)pH In Flow Out (gal)

3/01 15:00 0 181 67.9 7.21 134 3/01 14:45 0 9761 53.7 7.21 7974 3/01 14:30 0 964553.1 7.19 7921 3/01 14:15 0 9642 53.8 7.21 7947 3/01 14:00 0 966756.8 7.19 7938 3/01 13:45 0 969557.8 7.16 7925 3/01 13:30 0 9691 57.5 7.14 7964 3/01 13:15 0 9710 58.3 7.12 7942 3/01 13:00 0 9760 57.0 7.10 7922 3/01 12:45 0 972356.7 7.09 7949 3/01 12:30 0 970756.0 7.09 7967 3/01 12:15 0 973956.0 7.07 7961 3/01 12:00 0 9780 55.4 7.08 7919 3/01 11:45 0 976854.3 7.04 7969 3/01 11:30 0 9566 53.0 7.03 7714 3/01 11:15 0 935552.2 7.05 7393 3/01 11:00 0 939953.7 7.05 7408 3/01 10:45 0 935954.5 7.02 7438 3/01 10:30 0 707894.7 6.60 728

count 19 4 4.75hours

DAILY SUMMARY: Gallons discharged134,113

139,105

Flow weighted average turbidity

Date (mm/dd)Time

(HH:MM)Operator

Code Flow In (gal)Tur In

(NTU)pH In Flow Out (gal)

3/0513:00 0 824331.0 7.45 6603 Sea-Tac Airport 3rd Runway - South Pond

Sea-Tac Airport 3rd Runway - South Pond System 3 PLC Data - March 2007 System 3 PLC Data - March 20073/0512:45 0 989331.0 7.36 8101

3/0512:30 0 985329.4 7.25 8095 3/0512:15 0 982428.2 7.15 8083 3/0512:00 0 993851.1 7.13 8011 3/0511:45 0 9881 21.9 7.14 8065 3/0511:30 0 963222.0 6.62 4136

count 7 4 1.75hours

DAILY SUMMARY: Gallons discharged51,094

139,105

Flow weighted average turbidity

Date (mm/dd)Time

(HH:MM)Operator

Code Flow In (gal)Tur In

(NTU)pH In Flow Out (gal) 3/1323:45 0 7710118.47.16 2093 3/1311:45 0 7921127.78.37 82 3/1311:30 0 7893149.78.26 2425 3/1311:15 0 7848113.68.13 3711 3/1311:00 0 7865112.88.10 3377 3/1310:45 0 7937109.58.15 3445 3/1310:30 0 7834 98.9 8.17 2928 3/1310:15 0 7892 99.8 8.16 2197 3/1310:00 0 5430112.77.38 493 3/13 1:30 0 8915164.37.65 987 3/13 1:15 0 9799159.37.57 6686 3/13 1:00 0 9646138.47.51 7888 3/13 :45 0 7913137.07.29 3688

count 13 4 3.25hours

DAILY SUMMARY: Gallons discharged40,000

139,105

Flow weighted average turbidity Sea-Tac Airport 3rd Runway - South Pond System 3 PLC Data - March 2007Date

(mm/dd)Time

(HH:MM)Operator

Code Flow In (gal)Tur In

(NTU)pH In Flow Out (gal)

3/1423:45 16 9637106.27.50 7328 3/1423:30 16 961894.2 7.43 7334 3/1423:15 16 3378223.97.07 1330 3/1417:00 31 2725112.27.43 1943 3/1416:45 31 9491109.87.37 7343 3/1416:30 31 9509101.87.35 7352 3/1416:15 31 9541 99.8 7.33 7349 3/1416:00 31 953798.1 7.31 7353 3/1415:45 31 9492 96.4 7.28 7345 3/1415:30 31 9524 94.6 7.27 7393 3/1415:15 31 956792.1 7.24 7353 3/1415:00 31 9004 90.2 7.24 6753 3/1414:45 31 7380 90.6 7.22 4770 3/1414:30 31 7364 91.5 7.22 4774 3/1414:15 31 7457 75.1 7.18 4784 3/1414:00 31 735469.5 7.17 4788 3/1413:45 31 744062.5 7.14 4783 3/1413:30 31 7620 85.4 7.11 4393 3/14 5:00 0 5188127.27.36 3136 3/14 4:45 0 754591.6 7.38 4708 3/14 4:30 0 753385.5 7.37 4706 3/14 4:15 0 7633 79.7 7.38 4704 3/14 4:00 0 7637 79.1 7.37 4738 3/14 3:45 0 7671 77.4 7.37 4756 3/14 3:30 0 7678105.77.34 4751 3/14 3:15 0 777067.4 7.34 4743 3/14 3:00 0 7717 71.4 7.31 4765 3/14 2:45 0 767966.8 7.33 4764 3/14 2:30 0 7753 70.9 7.32 4743 3/14 2:15 0 768762.9 7.32 4760 3/14 2:00 0 768461.8 7.31 4776 3/14 1:45 0 772468.8 7.27 4641 3/14 1:30 0 728968.5 7.10 3194 3/14 : 0 7659117.07.24 4619

count 34 4 8.5hours

DAILY SUMMARY: Gallons discharged176,972

139,105

Flow weighted average turbidity System 3 PLC Data - March 2007 Sea-Tac Airport 3rd Runway - South PondDate

(mm/dd)Time

(HH:MM)Operator

Code Flow In (gal)Tur In

(NTU)pH In Flow Out (gal) 3/15 2:15 16 4791110.38.05 3517 3/15 2:00 16 9653137.78.33 6926 3/15 1:45 16 9706109.57.71 7019 3/15 1:30 16 9642108.37.69 6926 3/15 1:15 16 9653105.17.68 7176 3/15 1:00 16 9650102.67.67 7046 3/15 :45 16 9670111.27.63 7125 3/15 :30 16 9678120.17.60 7316 3/15 :15 16 962897.0 7.57 7310 3/15 : 16 9696 97.1 7.53 7281

count 10 4 2.5hours

DAILY SUMMARY: Gallons discharged67,642

139,105

Flow weighted average turbidity

Date (mm/dd)Time

(HH:MM)Operator

Code Flow In (gal)Tur In

(NTU)pH In Flow Out (gal)

3/2323:45 16 976838.9 7.22 7490 3/2323:30 16 9820 35.3 7.21 7475 3/2323:15 16 9801 32.9 7.19 7512 3/2323:00 16 987629.3 7.17 7520 3/2322:45 16 997025.2 7.17 7520 3/2322:30 16 634728.9 7.20 4244

count 6 4 1.5hours

DAILY SUMMARY: Gallons discharged41,761

139,105 Sea-Tac Airport 3rd Runway - South Pond System 3 PLC Data - March 2007 Sea-Tac Airport 3rd Runway - South Pond System 3 PLC Data - March 2007Flow weighted average turbidity

Date (mm/dd)Time

(HH:MM)Operator

Code Flow In (gal)Tur In

(NTU)pH In Flow Out (gal)

3/2423:45 16 9445107.56.82 7595 3/2423:30 16 9029105.76.80 7237 3/2423:15 16 8984103.26.80 7292 3/2423:00 16 8986104.16.79 7233 3/2422:45 16 8970 99.0 6.79 7265 3/2422:30 16 975990.6 6.79 7925 3/2422:15 16 985883.0 6.80 8068 3/2422:00 16 9904 73.9 6.76 8070 3/2421:45 16 960851.4 6.76 7843 3/2421:30 16 721583.0 6.66 5003 3/2421:00 16 206 86.8 6.86 115 3/2420:45 16 8961 83.3 6.85 6971 3/2420:30 16 890782.4 6.84 7006 3/2420:15 16 8894 80.9 6.85 6993 3/2420:00 16 8916 95.6 6.84 6983 3/2419:45 16 8907101.26.83 6862 3/2419:30 16 8950103.56.83 6879 3/2419:15 16 9393100.76.84 7348 3/2419:00 16 10417106.16.84 8348 3/2418:45 16 9482 89.0 6.85 7545 3/2418:30 16 9381 79.9 6.86 7521 3/2418:15 16 9361 84.9 6.86 7545 3/2418:00 16 9446 90.8 6.87 7520 3/2417:45 16 9400 88.8 6.86 7548 3/2417:30 16 9382 87.7 6.87 7540 3/2417:15 16 939990.0 6.90 7563 3/2417:00 16 938886.8 6.90 7529 3/2416:45 16 938588.0 6.91 7550 3/2416:30 16 937571.6 6.92 7571 3/2416:15 16 939563.9 6.92 7605 3/2416:00 16 957867.6 6.95 7421 3/2415:45 16 9442 65.8 6.96 7411 3/2415:30 16 936462.3 6.98 7619 3/2415:15 16 9402 59.3 6.98 7476 3/2415:00 16 931559.3 7.00 7355 3/2414:45 16 8980 55.2 7.02 6842 3/2414:30 16 8770 56.6 7.03 7091 3/2414:15 16 881962.9 7.05 7069 3/2414:00 16 8794 71.8 7.08 7119 Sea-Tac Airport 3rd Runway - South Pond System 3 PLC Data - March 20073/2413:45 16 8832 84.1 7.14 7136

3/2413:30 16 919981.3 7.22 7603 3/2413:15 16 921566.9 7.24 7488 3/2413:00 16 9612 58.1 7.24 7229 3/2412:45 16 711361.6 7.19 4941 3/2412:15 16 780334.3 7.00 5800 3/2412:00 16 978628.5 6.97 7438 3/2411:45 16 979822.2 6.82 7485 3/2411:30 16 986926.7 6.66 7453 3/2411:15 16 4757142.36.66 3254 3/24 :15 16 323241.3 7.26 2345 3/24 : 16 971941.5 7.23 7497

count 51 412.75hours

DAILY SUMMARY: Gallons discharged355,145

139,105

Flow weighted average turbidity

Date (mm/dd)Time

(HH:MM)Operator

Code Flow In (gal)Tur In

(NTU)pH In Flow Out (gal)

3/2511:15 16 955 77.5 6.84 601 3/2511:00 16 9576 75.3 6.81 7294 3/2510:45 16 9564 71.6 6.81 7039 3/2510:30 16 940466.7 6.78 4669 3/2510:15 16 9692 99.6 6.65 5077 3/25 6:45 16 5710 88.3 6.88 4477 3/25 6:30 16 9181 90.9 6.89 7410 3/25 6:15 16 915991.3 6.89 7418 3/25 6:00 16 917591.9 6.89 7404 3/25 5:45 16 9206 92.2 6.89 7442 3/25 5:30 16 9222 92.2 6.89 6246 3/25 5:15 16 9234 88.8 6.88 7501 3/25 5:00 16 9282 85.5 6.87 7551 3/25 4:45 16 907885.7 6.88 7348 3/25 4:30 16 8951 86.6 6.88 7139 3/25 4:15 16 8972 88.2 6.88 7149 3/25 4:00 16 9042 93.4 6.89 7209 3/25 3:45 16 930997.3 6.89 7636 3/25 3:30 16 916799.8 6.89 7409 Sea-Tac Airport 3rd Runway - South Pond System 3 PLC Data - March 20073/25 3:15 16 9169102.46.89 7027

3/25 3:00 16 9154101.66.89 7351 3/25 2:45 16 8996 99.2 6.89 7203 3/25 2:30 16 900992.4 6.90 7180 3/25 2:15 16 8994 79.5 6.92 7054 3/25 2:00 16 900665.3 6.94 7193 3/25 1:45 16 4302120.87.01 3017 3/25 : 16 5003105.26.82 3898

count 27 4 6.75hours

DAILY SUMMARY: Gallons discharged173,942

139,105

Flow weighted average turbidity

Date (mm/dd)Time

(HH:MM)Operator

Code Flow In (gal)Tur In

(NTU)pH In Flow Out (gal)

3/2616:45 16 778369.9 6.96 5398 3/2615:45 16 978 74.5 7.05 731 3/2615:30 16 9559 72.4 7.03 7360 3/2615:15 16 9568 70.4 7.03 7353 3/2615:00 16 964068.0 7.04 7341 3/2614:45 16 961765.2 7.04 7355 3/2614:30 16 959361.5 7.01 7378 3/2614:15 16 9590 58.5 7.01 7403 3/2614:00 16 3964 94.5 6.98 2577 3/2613:45 16 1766 79.5 7.01 1218 3/2613:30 16 954681.7 7.00 7363 3/2613:15 16 9571 80.9 7.00 7340 3/2613:00 16 952680.9 7.01 7378 3/2612:45 16 951577.9 7.00 7208 3/2612:30 16 9582 75.7 7.00 7404 3/2612:15 16 9633 76.0 7.02 7378 3/2612:00 16 9564 74.6 7.01 7387 3/2611:45 16 9499 71.5 7.01 7239 3/2611:30 16 954066.5 7.01 7214 3/2611:15 16 9612 59.5 6.99 7318 3/2611:00 16 964351.2 6.97 7430 3/2610:45 16 962944.7 6.97 7432 3/2610:30 16 9426 57.5 7.06 6401

count 23 4 5.75hoursSea-Tac Airport 3rd Runway - South Pond System 3 PLC Data - March 2007DAILY SUMMARY: Gallons discharged148,606

139,105

Flow weighted average turbidity

Date (mm/dd)Time

(HH:MM)Operator

Code Flow In (gal)Tur In

(NTU)pH In Flow Out (gal)

3/27 7:00 16 6185110.87.28 4511 3/27 6:45 16 8983108.17.30 6178 3/27 6:30 16 9054103.77.31 6033 3/27 6:15 16 9058104.27.33 5953 3/27 6:00 16 9141111.47.31 6026 3/27 5:45 16 9118121.47.31 5298 3/27 5:30 16 9169118.37.30 4719 3/27 5:15 16 9101113.27.30 4938 3/27 5:00 16 9121114.07.30 4672 3/27 4:45 16 9153119.37.29 5066 3/27 4:30 16 9160116.67.28 5461 3/27 4:15 16 9058111.57.25 6622 3/27 4:00 16 9149105.77.21 6966 3/27 3:45 16 929797.7 7.19 7495 3/27 3:30 16 9396 91.9 7.13 7507 3/27 3:15 16 9770 84.8 7.09 7795 3/27 3:00 16 9279 75.1 7.08 7329 3/27 2:45 16 902750.4 7.09 7205 3/27 2:30 16 690547.2 7.14 4912

count 19 4 4.75hours

DAILY SUMMARY: Gallons discharged114,686

139,105

Flow weighted average turbidity Sea-Tac Airport 3rd Runway - South Pond System 3 PLC Data - March 2007Date

(mm/dd)Time

(HH:MM)Operator

Code Flow In (gal)Tur In

(NTU)pH In Flow Out (gal)

3/28 6:15 16 455969.1 7.37 3281 3/28 6:00 16 885069.1 7.36 6553 3/28 5:45 16 886465.7 7.36 6556 3/28 5:30 16 889064.2 7.35 6549 3/28 5:15 16 884866.5 7.35 6565 3/28 5:00 16 885364.3 7.34 6563 3/28 4:45 16 885369.1 7.33 6547 3/28 4:30 16 884067.8 7.32 6565 3/28 4:15 16 8826 57.4 7.30 6571 3/28 4:00 16 886354.8 7.30 6590 3/28 3:45 16 894554.0 7.28 6570 3/28 3:30 16 8936 51.8 7.27 6593 3/28 3:15 16 895350.7 7.26 6620 3/28 3:00 16 948649.5 7.26 7175 3/28 2:45 16 9610 53.0 7.26 7263 3/28 2:30 16 984938.8 7.25 7392 3/28 2:15 16 1667152.37.15 766

count 17 4 4.25hours

DAILY SUMMARY: Gallons discharged104,719

139,105

Flow weighted average turbidity

Date (mm/dd)Time

(HH:MM)Operator

Code Flow In (gal)Tur In

(NTU)pH In Flow Out (gal)

3/31 16:15 16 780388.8 7.35 5538 3/31 16:00 16 899992.9 7.35 5948 3/31 15:45 16 9040 88.9 7.35 6386 3/31 15:30 16 896391.0 7.34 6269 Sea-Tac Airport 3rd Runway - South Pond System 3 PLC Data - March 2007 Sea-Tac Airport 3rd Runway - South Pond System 3 PLC Data - March 20073/31 15:15 16 898884.5 7.33 6644

3/31 15:00 16 899880.3 7.35 6575 3/31 14:45 16 7466 78.1 7.34 4668 3/31 14:30 16 6587 79.4 7.34 4980 3/31 14:15 16 838783.7 7.33 5852 3/31 14:00 16 880585.9 7.34 6471 3/31 13:45 16 882683.4 7.33 6455 3/31 13:30 16 879382.1 7.33 6476 3/31 13:15 16 8779 71.2 7.32 6497 3/31 13:00 16 881765.2 7.31 6499 3/31 12:45 16 8851 60.0 7.31 6509 3/31 12:30 16 881853.5 7.29 6525 3/31 12:15 16 882246.2 7.26 6531 3/31 12:00 16 8856 37.9 7.23 6527 3/31 11:45 16 883830.3 7.19 6538 3/31 11:30 16 719834.4 7.02 5147 3/31 11:15 16 752227.7 7.11 6281 3/31 11:00 16 283751.0 6.80 1729

count 22 4 5.5hours

DAILY SUMMARY: Gallons discharged131,045

139,105

Flow weighted average turbidityFlow Out

(gpm)Tur Out

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

(NTU)pH Rec

533 0.4 6.88 0 0.3 6.88 532 0.6 6.93 0 0.0 0.00 528 0.6 6.87 0 0.0 0.00 530 0.6 6.90 0 0.0 0.00 529 0.6 6.89 0 0.0 0.00 528 0.6 6.85 0 0.0 0.00 531 0.7 6.92 0 0.0 0.00 529 0.7 6.92 0 0.0 0.00 528 0.7 6.92 0 0.0 0.00 530 0.7 6.90 0 0.0 0.00 531 0.7 6.89 0 0.0 0.00 531 0.8 6.98 0 0.0 0.00 528 0.9 7.01 0 0.0 0.00 531 0.9 7.09 0 0.0 0.00 514 0.9 7.12 0 0.0 0.00 493 1.1 7.19 0 0.0 0.00 494 1.2 7.21 0 0.0 0.00 496 2.0 7.06 0 8.0 6.45 487 2.5 6.78 4992 7.8 6.75

4,992

NTU min 0.4 NTU max 2.5

Flow weighted average turbidity 0.8

pH min 6.78 pH max 7.21

Flow Out (gpm)Tur Out

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

(NTU)pH Rec

539 0.9 7.34 130 0.7 7.35 Sea-Tac Airport 3rd Runway - South Pond

Sea-Tac Airport 3rd Runway - South Pond System 3 PLC Data - March 2007 System 3 PLC Data - March 2007

Average pressure540 0.9 7.27 0 0.0 0.00

540 0.8 7.22 0 0.0 0.00 539 0.8 7.16 0 0.0 0.00 534 0.8 7.16 0 0.0 0.00 538 1.1 7.16 0 0.0 0.00 533 2.3 6.81 3441 8.9 6.20

3,571

NTU min 0.8 NTU max 2.3

Flow weighted average turbidity 0.8

pH min 6.81 pH max 7.34

Flow Out (gpm)Tur Out

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

(NTU)pH Rec

322 1.4 7.46 2661 1.6 7.46 324 1.7 7.79 4628 6.6 7.83 322 3.6 7.80 2340 5.8 7.80 323 3.7 7.76 1097 5.9 7.76 322 3.8 7.75 1409 6.1 7.75 321 4.2 7.73 1335 6.4 7.73 325 4.4 7.68 1890 6.0 7.67 327 4.6 7.52 2644 6.0 7.49 328 4.2 7.09 2823 7.0 6.73 492 5.7 7.55 5987 5.5 7.55 525 5.7 7.48 1073 8.7 7.51 525 4.3 7.34 0 0.0 0.00 528 3.2 7.18 3104 3.1 6.99

30,991

NTU min 1.4 NTU max 5.7

Flow weighted average turbidity 0.8

pH min 7.09 pH max 7.80 Sea-Tac Airport 3rd Runway - South Pond System 3 PLC Data - March 2007 Average pressure

Average pressureFlow Out

(gpm)Tur Out

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

(NTU)pH Rec

488 1.0 7.28 0 0.0 0.00 489 1.0 7.18 0 0.0 0.00 483 1.4 7.03 1387 2.3 7.02 486 1.4 7.64 1757 6.8 7.47 490 1.2 7.63 0 0.0 0.00 490 1.2 7.62 0 0.0 0.00 490 1.2 7.60 0 0.0 0.00 490 1.1 7.57 0 0.0 0.00 490 1.0 7.54 0 0.0 0.00 493 1.0 7.52 0 0.0 0.00 490 1.0 7.50 0 0.0 0.00 449 1.1 7.47 0 0.0 0.00 318 0.9 7.44 0 0.0 0.00 318 0.9 7.42 0 0.0 0.00 319 0.8 7.39 0 0.0 0.00 319 0.7 7.35 0 0.0 0.00 319 0.7 7.31 0 0.0 0.00 320 0.8 7.31 296 3.8 7.44 313 0.9 7.28 77 0.7 7.27 314 0.8 7.29 0 0.0 0.00 313 0.9 7.30 0 0.0 0.00 314 0.9 7.29 0 0.0 0.00 316 0.9 7.30 0 0.0 0.00 317 0.9 7.29 0 0.0 0.00 317 0.9 7.29 0 0.0 0.00 316 0.8 7.30 0 0.0 0.00 318 0.8 7.30 0 0.0 0.00 318 0.8 7.30 0 0.0 0.00 316 0.9 7.24 0 0.0 0.00 317 0.8 7.31 0 0.0 0.00 318 0.8 7.33 0 0.0 0.00 320 0.9 7.36 156 4.4 7.36 328 0.9 7.40 1542 1.2 7.45 324 1.1 7.43 238 4.8 7.43

5,453

NTU min 0.7 NTU max 1.4

Flow weighted average turbidity 0.8 System 3 PLC Data - March 2007

Average pressure Sea-Tac Airport 3rd Runway - South PondpH min 7.03 pH max 7.64

Flow Out (gpm)Tur Out

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

(NTU)pH Rec

485 1.6 7.70 83 4.7 7.74 486 1.6 7.68 341 4.7 7.69 485 1.6 7.66 234 4.7 7.66 486 1.5 7.61 347 4.4 7.62 487 1.4 7.60 118 4.5 7.60 486 1.4 7.55 234 4.4 7.58 483 1.3 7.51 121 4.2 7.50 488 1.2 7.46 0 0.0 0.00 487 1.1 7.41 0 0.0 0.00 485 1.1 7.34 0 0.0 0.00

1,478

NTU min 1.1 NTU max 1.6

Flow weighted average turbidity 0.8

pH min 7.34 pH max 7.70

Flow Out (gpm)Tur Out

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

(NTU)pH Rec

499 0.6 7.21 0 0.0 0.00 498 0.6 7.18 0 0.0 0.00 501 0.5 7.15 0 0.0 0.00 501 0.5 7.12 0 0.0 0.00 502 0.6 7.05 0 0.0 0.00 499 0.7 6.94 768 2.7 7.06

768

NTU min 0.5 Average pressure Sea-Tac Airport 3rd Runway - South Pond System 3 PLC Data - March 2007 Average pressure Sea-Tac Airport 3rd Runway - South Pond System 3 PLC Data - March 2007NTU max 0.7

Flow weighted average turbidity 0.8

pH min 6.94 pH max 7.21

Flow Out (gpm)Tur Out

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

(NTU)pH Rec

506 1.3 6.92 0 0.0 0.00 483 1.3 6.93 0 0.0 0.00 486 1.2 6.92 0 0.0 0.00 482 1.1 6.90 0 0.0 0.00 484 1.1 6.88 0 0.0 0.00 529 1.0 6.86 0 0.0 0.00 538 0.9 6.88 0 0.0 0.00 538 0.9 6.89 0 0.0 0.00 523 0.9 6.93 0 0.0 0.00 541 1.1 6.84 854 16.8 6.97 464 1.2 6.91 8 0.9 6.84 465 0.9 6.91 0 0.0 0.00 467 0.9 6.91 0 0.0 0.00 466 0.8 6.91 0 0.0 0.00 465 0.9 6.91 0 0.0 0.00 458 0.9 6.91 0 0.0 0.00 459 0.9 6.92 0 0.0 0.00 491 1.1 6.93 0 0.0 0.00 557 1.2 6.94 0 0.0 0.00 503 1.0 6.95 0 0.0 0.00 501 1.0 6.94 0 0.0 0.00 503 0.9 6.95 0 0.0 0.00 501 0.9 6.95 0 0.0 0.00 503 0.9 6.96 0 0.0 0.00 503 0.9 6.96 0 0.0 0.00 504 0.9 6.97 0 0.0 0.00 502 0.8 6.98 0 0.0 0.00 504 0.8 6.99 0 0.0 0.00 505 0.8 6.99 0 0.0 0.00 507 0.8 7.00 0 0.0 0.00 494 0.7 7.01 0 0.0 0.00 494 0.7 7.02 0 0.0 0.00 508 0.7 7.03 0 0.0 0.00 499 0.6 7.04 0 0.0 0.00 489 0.6 7.05 0 0.0 0.00 457 0.6 7.07 0 0.0 0.00 473 0.6 7.08 0 0.0 0.00 471 0.6 7.10 0 0.0 0.00 474 0.6 7.14 0 0.0 0.00 Sea-Tac Airport 3rd Runway - South Pond System 3 PLC Data - March 2007476 0.7 7.20 0 0.0 0.00

507 1.3 7.26 0 0.0 0.00 499 1.4 7.29 0 0.0 0.00 482 1.3 7.29 0 0.0 0.00 494 1.2 7.34 430 2.6 7.38 493 1.0 7.30 91 3.6 7.36 496 0.8 7.31 0 0.0 0.00 499 0.7 7.31 0 0.0 0.00 497 0.6 7.34 0 0.0 0.00 501 0.6 7.61 379 3.3 8.23 494 0.6 7.24 58 3.3 7.29 500 0.6 7.24 0 0.0 0.00

1,820

NTU min 0.6 NTU max 1.4

Flow weighted average turbidity 0.8

pH min 6.84 pH max 7.61

Flow Out (gpm)Tur Out

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

(NTU)pH Rec

481 1.8 7.00 116 1.1 6.95 486 1.4 7.00 0 0.0 0.00 485 1.5 6.90 228 1.1 4.22 479 1.5 6.76 2335 1.8 1.68 522 1.5 7.01 2361 2.6 2.62 497 1.4 6.93 133 1.0 6.75 494 1.4 6.95 0 0.0 0.00 494 1.4 6.91 0 0.0 0.00 494 1.5 6.96 0 0.0 0.00 496 1.4 6.90 0 0.9 6.86 500 1.5 6.79 1248 1.1 2.31 500 1.4 6.94 0 0.0 0.00 503 1.5 6.92 0 0.0 0.00 489 1.4 6.91 0 0.0 0.00 476 1.4 6.90 0 0.0 0.00 477 1.5 6.90 0 0.0 0.00 480 1.5 6.89 0 0.0 0.00 510 1.5 6.90 0 0.0 0.00 494 1.5 6.90 0 0.0 0.00 Sea-Tac Airport 3rd Runway - South Pond System 3 PLC Data - March 2007 Average pressure492 1.5 6.80 345 1.5 4.53

490 1.4 6.87 0 0.0 0.00 480 1.4 6.86 0 0.0 0.00 478 1.4 6.88 0 0.0 0.00 471 1.4 6.89 0 0.0 0.00 479 1.3 6.87 0 0.0 0.00 503 1.4 6.81 435 7.2 7.03 519 1.4 6.90 123 3.1 6.94

7,324

NTU min 1.3 NTU max 1.8

Flow weighted average turbidity 0.8

pH min 6.76

Flow Out (gpm)Tur Out

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

(NTU)pH Rec

491 1.4 7.15 480 2.6 7.08 487 1.5 7.18 0 1.1 7.08 491 1.3 7.16 0 0.0 0.00 490 1.3 7.16 0 0.0 0.00 489 1.3 7.14 0 0.0 0.00 490 1.3 7.13 0 0.0 0.00 492 1.3 7.12 0 0.0 0.00 494 1.4 7.09 0 0.0 0.00 492 1.4 7.10 397 2.8 7.09 487 1.5 7.12 121 1.8 7.04 491 1.3 7.12 0 0.0 0.00 489 1.4 7.12 0 0.0 0.00 491 1.4 7.12 0 0.0 0.00 488 1.3 7.12 109 4.3 7.09 494 1.4 7.12 0 0.0 0.00 492 1.4 7.12 0 0.0 0.00 493 1.4 7.11 0 0.0 0.00 491 1.4 7.06 113 1.6 4.77 489 1.4 7.00 116 1.5 6.90 488 1.4 7.06 0 1.1 6.66 496 1.4 7.05 0 0.0 0.00 496 1.4 7.14 0 0.0 0.00 492 1.5 7.36 791 4.1 8.01 Sea-Tac Airport 3rd Runway - South Pond System 3 PLC Data - March 2007 Average pressure

Average pressure2,127

NTU min 1.3 NTU max 1.5

Flow weighted average turbidity 0.8

pH min 7.00 pH max 7.36

Flow Out (gpm)Tur Out

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

(NTU)pH Rec

474 2.5 7.45 350 4.5 7.43 467 2.7 7.46 834 5.3 7.45 473 3.0 7.46 1078 5.5 7.47 487 3.2 7.46 1350 5.3 7.44 492 3.4 7.45 1353 5.4 7.45 483 3.5 7.43 1936 6.0 7.42 485 3.9 7.43 2563 5.7 7.43 481 3.7 7.42 2298 5.7 7.42 480 3.8 7.40 2566 5.8 7.40 482 3.8 7.37 2201 5.8 7.36 486 3.5 7.33 1838 5.4 7.34 482 2.9 7.29 606 5.2 7.28 489 2.3 7.25 375 4.8 7.25 500 1.9 7.19 0 0.0 0.00 500 1.5 7.14 0 0.0 0.00 520 1.2 7.10 0 0.0 0.00 488 0.9 7.07 0 0.0 0.00 480 0.8 7.03 0 0.0 0.00 480 0.8 6.99 505 12.3 7.20

19,853

NTU min 0.8 NTU max 3.9

Flow weighted average turbidity 0.8 Average pressure Sea-Tac Airport 3rd Runway - South Pond System 3 PLC Data - March 2007pH min 6.99 pH max 7.46

Flow Out (gpm)Tur Out

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

(NTU)pH Rec

437 0.8 7.37 107 4.0 7.41 437 0.8 7.36 0 0.0 0.00 437 0.9 7.35 0 0.0 0.00 436 0.9 7.34 0 0.0 0.00 438 0.8 7.34 0 0.0 0.00 438 0.8 7.32 0 0.0 0.00 436 0.8 7.30 0 0.0 0.00 438 0.7 7.29 0 0.0 0.00 438 0.7 7.27 0 0.0 0.00 439 0.7 7.25 0 0.0 0.00 438 0.7 7.24 0 0.0 0.00 439 0.7 7.23 0 0.0 0.00 441 0.7 7.22 0 0.0 0.00 479 0.9 7.21 0 0.0 0.00 484 0.9 7.20 0 0.0 0.00 509 1.1 7.15 234 5.4 7.14 507 1.4 6.93 456 32.1 7.19

797

NTU min 0.7 NTU max 1.4

Flow weighted average turbidity 0.8

pH min 6.93 pH max 7.37

Flow Out (gpm)Tur Out

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

(NTU)pH Rec

452 2.4 7.36 320 4.1 7.35 448 2.7 7.36 743 5.0 7.35 448 2.6 7.35 315 4.8 7.35 448 2.4 7.35 425 4.7 7.33 Sea-Tac Airport 3rd Runway - South Pond System 3 PLC Data - March 2007 Average pressure Sea-Tac Airport 3rd Runway - South Pond System 3 PLC Data - March 2007451 2.3 7.34 106 4.6 7.29

445 2.4 7.34 113 4.5 7.24 321 2.3 7.34 156 4.6 7.29 338 1.9 7.33 82 4.6 7.31 397 2.1 7.33 99 4.5 7.31 431 2.0 7.33 0 0.0 0.00 430 1.9 7.33 0 0.0 0.00 432 1.7 7.32 0 0.0 0.00 433 1.6 7.32 0 0.0 0.00 433 1.5 7.32 0 0.0 0.00 434 1.3 7.31 0 0.0 0.00 435 1.2 7.31 0 0.0 0.00 435 1.0 7.31 0 0.0 0.00 435 0.8 7.31 0 0.0 0.00 436 0.7 7.31 0 0.0 0.00 438 0.6 7.35 380 2.8 7.41 457 0.6 7.45 3 3.9 7.30 431 1.2 7.76 305 0.5 7.40

3,047

NTU min 0.6 NTU max 2.7

Flow weighted average turbidity 0.8

pH min 7.31 pH max 7.76 Average pressureDate

(mm/dd)Time

(HH:MM)Operator

Code Flow In (gal)Tur In

(NTU)pH In Flow Out (gal)

3/1323:45 0 7813140.37.24 5333 3/1323:30 0 8221131.47.15 5375 3/1323:15 0 8538111.37.14 5419 3/1323:00 0 8357110.07.10 4761 3/1317:00 0 4445144.97.06 3109 3/1316:45 0 8535145.17.23 6279 3/1316:30 0 8599144.37.63 5102 3/1316:15 0 8915142.57.73 5037 3/1316:00 0 8915139.67.70 5481 3/1315:45 0 8914136.77.59 5938 3/1315:30 0 8911132.97.48 6049 3/1315:15 0 8798128.27.33 6089 3/1315:00 0 8926123.07.09 6653 3/1314:45 0 8915117.26.86 6815 3/1314:30 0 8856111.46.72 6850 3/1314:15 0 8714106.76.58 6758 3/1314:00 0 8713107.27.01 5578 3/1313:45 0 8553111.68.03 1346 3/1313:30 0 8738118.68.03 4105 3/1313:15 0 5182126.77.30 1260 3/13 4:45 0 8871151.07.70 2095 3/13 4:30 0 9032146.17.69 4404 3/13 4:15 0 9057142.97.81 4845 3/13 4:00 0 9052140.98.01 4848 3/13 3:45 0 9072144.48.09 4809 3/13 3:30 0 9065147.68.08 5375 3/13 3:15 0 9236151.88.05 5360 3/13 3:00 0 9849150.88.00 5073 3/1223:45 0 0 0.0 0.00 0

count 9 4 4.75hours

DAILY SUMMARY: Gallons discharged140,146

179,422

Flow weighted average turbidity Sea-Tac Airport 3rd Runway - South Pond System 4 PLC Data - March 2007Date

(mm/dd)Time

(HH:MM)Operator

Code Flow In (gal)Tur In

(NTU)pH In Flow Out (gal)

3/2423:45 0 9560108.47.13 7271 3/2423:30 0 9137105.37.13 6793 3/2423:15 0 9122103.07.12 6705 3/2423:00 0 9251101.47.10 7213 3/2422:45 0 9414 96.4 7.10 7332 3/2422:30 0 910388.8 7.10 7119 3/2422:15 0 8954 80.3 7.08 7223 3/2422:00 0 8901 66.9 7.04 7276 3/2421:45 0 887759.0 7.02 7270 3/2421:30 0 790668.8 6.93 2709 3/2421:00 0 342 86.5 6.76 235 3/2420:45 0 8384 81.6 7.10 6997 3/2420:30 0 8634 82.0 7.11 6912 3/2420:15 0 861580.8 7.10 6927 3/2420:00 0 8714 83.9 7.11 6963 3/2419:45 0 8921 91.9 7.11 7398 3/2419:30 0 8959100.27.12 7433 3/2419:15 0 7128104.37.13 5294 3/2418:45 0 7972 83.4 7.17 6599 3/2418:30 0 8842 83.1 7.18 7344 3/2418:15 0 899688.9 7.17 7351 3/2418:00 0 9024 91.7 7.17 7382 3/2417:45 0 903791.6 7.18 7304 3/2417:30 0 9036 93.9 7.18 7326 3/2417:15 0 9061 90.0 7.19 7365 3/2417:00 0 8984 87.3 7.19 7326 3/2416:45 0 875580.7 7.19 7352 3/2416:30 0 8730 71.6 7.19 7362 3/2416:15 0 8857 72.2 7.17 7357 3/2416:00 0 8033 73.3 7.16 7635 3/2415:45 0 846571.2 7.18 7932 3/2415:30 0 899569.5 7.17 7449 3/2415:15 0 896667.6 7.18 7773 3/2415:00 0 896867.7 7.18 7696 3/2414:45 0 695966.9 7.20 5848 3/2414:30 0 7941 69.2 7.21 5434 3/2414:15 0 8047 77.0 7.23 5150 3/2414:00 0 826387.5 7.24 5030 3/2413:45 0 8206 98.4 7.26 4941 3/2413:30 0 833592.8 7.35 293 System 4 PLC Data - March 2007 Sea-Tac Airport 3rd Runway - South Pond3/2413:15 0 8054 82.0 7.31 1385

3/2413:00 0 5551 58.9 6.42 2145

count 42 4 4.75hours

DAILY SUMMARY: Gallons discharged263,849

284,463

Flow weighted average turbidity

Date (mm/dd)Time

(HH:MM)Operator

Code Flow In (gal)Tur In

(NTU)pH In Flow Out (gal)

3/25 6:45 16 6421 83.4 7.12 5015 3/25 6:30 16 9612 83.6 7.10 7614 3/25 6:15 16 950983.5 7.10 7620 3/25 6:00 16 927984.2 7.08 7633 3/25 5:45 16 9362 84.9 7.09 7616 3/25 5:30 16 944884.0 7.09 7820 3/25 5:15 16 931682.0 7.08 7425 3/25 5:00 16 937982.3 7.08 7103 3/25 4:45 16 891984.3 7.06 6821 3/25 4:30 16 8602 82.7 7.06 6546 3/25 4:15 16 8651 85.6 7.07 6521 3/25 4:00 16 862590.4 7.06 6341 3/25 3:45 16 864897.3 7.05 2409 3/25 3:30 16 857799.9 7.04 5031 3/25 3:15 16 8566102.37.04 4864 3/25 3:00 16 8745101.17.03 5629 3/25 2:45 16 8726 97.8 6.99 6414 3/25 2:30 16 8931 90.2 6.96 6484 3/25 2:15 16 9464 75.2 6.94 7110 3/25 2:00 16 941664.2 7.00 6923 3/25 1:45 16 705558.0 7.04 4836 3/25 : 0 5771105.97.12 4250

count 22 4 4.75hours

DAILY SUMMARY: Gallons discharged138,025 Sea-Tac Airport 3rd Runway - South Pond System 4 PLC Data - March 2007153,157

Flow weighted average turbidity

Date (mm/dd)Time

(HH:MM)Operator

Code Flow In (gal)Tur In

(NTU)pH In Flow Out (gal)

3/27 7:00 16 6016107.17.52 4615 3/27 6:45 16 9655102.87.52 7519 3/27 6:30 16 9771101.07.52 7176 3/27 6:15 16 9298103.47.49 6643 3/27 6:00 16 9372108.97.45 6889 3/27 5:45 16 9276113.47.27 6424 3/27 5:30 16 9607119.67.60 6778 3/27 5:15 16 9628117.27.60 7188 3/27 5:00 16 9718117.07.57 7261 3/27 4:45 16 9725121.77.53 7096 3/27 4:30 16 9661115.97.47 6880 3/27 4:15 16 9582107.47.40 6971 3/27 4:00 16 970399.8 7.33 5854 3/27 3:45 16 989894.3 7.20 4500 3/27 3:30 16 8667103.26.96 4081 3/27 3:15 16 957785.9 7.17 6274 3/27 3:00 16 964063.6 7.17 7154 3/27 2:45 16 946847.1 7.24 7531 3/27 2:30 16 674339.8 7.11 3897

count 19 4 4.75hours

DAILY SUMMARY: Gallons discharged120,731

141,798

Flow weighted average turbidity Sea-Tac Airport 3rd Runway - South Pond System 4 PLC Data - March 2007Flow Out

(gpm)Tur Out

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

(NTU)pH Rec

395 1.3 6.98 569 4.8 7.00 390 1.3 6.95 451 5.1 6.94 387 1.3 6.92 372 5.1 6.91 389 1.3 6.89 1031 3.1 6.89 443 1.6 7.10 320 2.4 7.06 448 1.6 7.32 428 4.9 7.36 452 3.2 7.66 1640 5.8 7.67 447 3.6 7.66 1625 6.0 7.66 447 3.3 7.62 1216 5.9 7.61 448 2.9 7.52 763 5.3 7.52 448 2.3 7.42 647 5.5 7.45 445 1.9 7.27 540 4.7 7.29 451 1.6 7.11 113 4.5 7.15 454 1.3 6.92 0 0.0 0.00 457 1.3 6.77 0 0.0 0.00 450 1.2 6.63 0 0.0 0.00 456 1.8 7.01 1164 5.8 7.87 452 4.6 7.67 5179 5.9 7.54 457 2.8 7.18 2586 6.2 6.95 455 2.5 6.70 2627 7.9 6.04 442 4.6 7.58 4369 6.1 7.59 440 4.0 7.52 2179 5.9 7.53 440 3.6 7.40 1716 6.2 7.41 439 3.6 7.36 1697 6.2 7.36 437 3.6 7.25 1723 6.2 7.25 440 3.3 7.07 1172 6.3 7.11 488 2.8 6.91 1850 6.5 6.92 585 2.7 6.71 3299 4.6 6.54 0 0 0.0 0.00

39,276

NTU min 1.2 NTU max 4.6

Flow weighted average turbidity 2.4 Sea-Tac Airport 3rd Runway - South Pond System 4 PLC Data - March 2007

Average pressurepH min 6.63 pH max 7.67

Flow Out (gpm)Tur Out

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

(NTU)pH Rec

528 1.9 6.97 644 5.0 6.89 503 1.8 6.98 745 4.9 6.87 496 1.7 6.98 753 4.8 6.93 498 1.7 6.98 248 4.5 6.91 497 1.7 6.98 123 4.7 6.95 483 1.7 6.97 121 4.3 7.02 481 1.6 6.97 0 0.0 0.00 485 1.5 6.94 0 0.0 0.00 485 1.5 6.87 0 0.0 0.00 468 1.5 6.66 3331 2.4 6.52 460 1.1 6.70 19 1.2 5.83 466 1.5 6.84 0 0.0 0.00 461 1.5 6.84 0 0.0 0.00 462 1.5 6.84 0 0.0 0.00 472 1.4 6.84 114 4.2 6.72 494 1.5 6.86 0 0.0 0.00 495 1.5 6.87 0 0.0 0.00 504 1.5 6.88 633 4.2 6.82 488 1.7 6.91 107 1.3 6.39 490 1.6 6.93 0 0.0 0.00 490 1.5 6.94 0 0.0 0.00 492 1.5 6.95 0 0.0 0.00 487 1.5 6.96 0 0.0 0.00 488 1.4 6.97 0 0.0 0.00 491 1.3 6.99 0 0.0 0.00 489 1.3 7.02 0 0.0 0.00 489 1.3 7.03 0 0.0 0.00 491 1.2 7.03 0 0.0 0.00 491 1.2 7.04 0 0.0 0.00 509 0.9 7.05 0 0.0 0.00 529 1.0 7.10 0 0.0 0.00 505 1.4 7.14 125 4.8 6.95 528 1.7 7.18 124 4.6 6.97 521 1.7 7.17 118 4.7 6.96 410 1.8 7.24 289 4.8 7.17 388 1.9 7.24 386 5.1 7.22 389 1.8 7.26 673 5.0 7.24 387 1.9 7.30 778 5.3 7.29 387 2.7 7.34 869 5.9 7.35 389 4.0 7.38 5585 7.0 7.37 System 4 PLC Data - March 2007 Sea-Tac Airport 3rd Runway - South Pond397 4.0 7.28 4504 6.6 7.30

429 3.1 7.54 325 3.5 7.95

20,614

NTU min 0.9 NTU max 4.0

Flow weighted average turbidity 1.6

pH min 6.66 pH max 7.54

Flow Out (gpm)Tur Out

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

(NTU)pH Rec

514 1.2 6.79 19 0.7 6.39 507 1.2 6.76 0 0.0 0.00 508 1.1 6.76 0 0.0 0.00 508 1.2 6.78 0 0.0 0.00 509 1.2 6.74 0 0.0 0.00 521 1.1 6.72 0 0.0 0.00 512 1.0 6.69 256 4.4 6.65 516 1.0 6.66 640 4.4 6.65 477 1.0 6.65 356 4.4 6.58 460 0.9 6.56 341 4.5 6.48 458 0.9 6.52 340 4.5 6.48 461 0.9 6.51 570 4.5 6.49 459 0.9 6.52 4546 1.5 6.49 457 1.0 6.60 1837 1.6 6.50 453 0.9 6.62 1979 2.4 6.53 451 0.9 6.66 1156 2.6 6.58 450 0.9 6.69 335 4.4 6.68 463 0.9 6.71 453 4.3 6.61 508 1.0 6.71 499 4.4 6.62 503 1.0 6.72 629 4.2 6.63 538 1.0 6.69 713 2.6 6.81 548 1.9 6.98 463 4.0 6.79

15,132 Sea-Tac Airport 3rd Runway - South Pond System 4 PLC Data - March 2007 Average pressure

Average pressureNTU min 0.9

NTU max 1.9

Flow weighted average turbidity 1.0

pH min 6.51 pH max 6.98

Flow Out (gpm)Tur Out

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

(NTU)pH Rec

543 1.3 6.55 555 4.5 6.36 546 1.3 6.66 663 6.1 6.48 541 1.5 6.62 901 6.2 6.48 492 1.5 6.57 711 6.5 6.45 501 1.6 6.67 604 6.6 6.50 495 1.7 6.74 943 6.7 6.61 521 1.7 6.76 990 6.7 6.69 523 1.8 6.78 617 6.7 6.73 528 1.8 6.80 620 6.8 6.73 536 1.7 6.80 866 6.7 6.82 519 1.5 6.90 871 6.6 6.93 507 1.6 7.04 621 6.6 6.94 509 1.8 7.08 1820 7.2 7.02 528 4.8 7.08 3415 8.7 7.04 528 3.9 7.09 2106 15.6 6.94 571 3.2 7.02 1467 11.0 6.37 540 1.2 6.58 944 5.9 6.47 529 1.0 6.79 394 5.8 6.81 537 0.9 6.90 195922.0 7.07

21,067

NTU min 0.9 NTU max 4.8

Flow weighted average turbidity 1.8

pH min 6.55 Average pressure Sea-Tac Airport 3rd Runway - South Pond System 4 PLC Data - March 2007pH max 7.09