Date

(mm/dd)Time

(HH:MM)Operator

Code Flow In (gal)Tur In

(NTU)pH In Flow Out (gal)

2/0521:00 0 578 339.47.40 562 2/0520:45 0 6223 43.8 7.36 6275 2/0520:30 0 6228 21.4 7.35 5943 2/0520:15 0 3897 25.4 7.36 86 2/0520:00 0 4213 27.1 7.36 0 2/05 19:45 0 4513 31.0 7.36 0 2/05 19:30 0 4864 36.4 7.36 0 2/05 19:15 0 5136 45.1 7.36 0 2/05 19:00 0 5427 54.3 7.35 0 2/05 18:45 0 5676 59.4 7.28 125 2/05 18:30 0 473 26.7 6.95 123 2/05 18:15 0 0 11.0 6.91 0 2/05 18:00 0 0 11.0 6.91 0 2/05 17:45 0 0 11.0 6.91 0 2/05 17:30 0 0 10.9 6.91 0 2/05 17:15 0 0 10.9 6.91 0 2/05 17:00 0 0 10.9 6.91 0 2/05 16:45 0 0 10.9 6.91 0 2/05 16:30 0 0 10.9 6.89 0

count 19 4 4.75hours

DAILY SUMMARY: Gallons discharged13,114

119,176

Flow weighted average turbidity

Date (mm/dd)Time

(HH:MM)Operator

Code Flow In (gal)Tur In

(NTU)pH In Flow Out (gal)

2/07 15:45 16 0 58.0 7.33 0 2/07 15:15 16 3139 64.0 7.30 2568 Sea-Tac Airport 3rd Runway - South Pond System 1 PLC Data - February 2007

Sea-Tac Airport 3rd Runway - South Pond System 1 PLC Data - February 20072/07 15:00 16 9693 63.9 7.29 8066

2/07 14:45 16 9759 62.1 7.27 8122 2/07 14:30 16 9811 57.2 7.24 8160 2/07 14:15 16 1001649.8 7.22 8379 2/07 14:00 16 9975 37.2 7.20 8239 2/07 13:45 16 1006429.1 7.17 8360 2/07 13:30 16 9588 31.8 7.13 5788 2/07 13:15 16 5487 77.1 7.03 0

count 10 4 2.5hours

DAILY SUMMARY: Gallons discharged57,682

64,198

Flow weighted average turbidity

Date (mm/dd)Time

(HH:MM)Operator

Code Flow In (gal)Tur In

(NTU)pH In Flow Out (gal)

2/12 16:15 16 5807 36.1 7.19 0 2/12 16:00 16 9277 42.5 7.19 0 2/12 15:45 16 9169 58.9 7.19 0 2/12 15:30 16 9186 70.6 7.19 4016 2/12 15:15 16 9256 68.3 7.19 6592 2/12 15:00 16 9348 60.2 7.19 6558 2/12 14:45 16 9264 60.3 7.18 6503 2/12 14:30 16 9188 61.6 7.19 6156 2/12 14:15 16 1007960.9 7.20 7840 2/12 14:00 16 9993 60.7 7.22 7077 2/12 13:45 16 9714 59.5 7.25 7743 2/12 13:30 16 9629 52.5 7.31 7887 2/12 13:15 16 4701 82.0 7.38 3301 2/12 13:00 16 1089222.37.23 0 2/12 6:15 16 169 67.8 7.10 0 2/12 6:00 16 9583 67.8 7.09 7811 2/12 5:45 16 9638 75.4 7.09 8028 2/12 5:30 16 9644 78.6 7.10 7844 2/12 5:15 16 9643 79.4 7.10 7867 2/12 5:00 16 9629 79.8 7.11 7299 2/12 4:45 16 9611 80.5 7.12 7619 Sea-Tac Airport 3rd Runway - South Pond System 1 PLC Data - February 20072/12 4:30 16 9592 79.4 7.13 7810

2/12 4:15 16 9647 79.5 7.16 7184 2/12 4:00 16 9622 80.8 7.22 7486 2/12 3:45 16 2103 91.8 7.29 1050 2/12 2:45 16 182 147.47.07 0 2/12 2:30 16 9625 92.9 7.04 7740 2/12 2:15 16 9634 88.9 7.01 7716 2/12 2:00 16 9613 84.9 6.95 7990 2/12 1:45 16 9692 68.4 6.89 7895 2/12 1:30 16 7135 30.4 6.77 5516 2/12 1:00 16 0 3.5 6.63 0 2/12 :45 16 0 3.5 6.62 0 2/12 :30 16 0 3.3 6.62 0 2/12 :15 16 0 3.3 6.64 0 2/12 : 16 0 2.9 6.64 0

count 36 4 9hours

DAILY SUMMARY: Gallons discharged170,528

201,856

Flow weighted average turbidity

Date (mm/dd)Time

(HH:MM)Operator

Code Flow In (gal)Tur In

(NTU)pH In Flow Out (gal)

2/15 16:45 16 5034100.57.45 3591 2/15 16:30 16 9105100.67.45 6807 2/15 16:15 16 9064101.27.44 6504 2/15 16:00 16 9140100.67.42 6713 2/15 15:45 16 9085 98.6 7.41 6651 2/15 15:30 16 9113 96.5 7.40 6856 2/15 15:15 16 9161 94.3 7.39 6659 2/15 15:00 16 9187 91.6 7.37 6848 2/15 14:45 16 9146 87.9 7.36 6839 2/15 14:30 16 9095 83.2 7.35 6767 2/15 14:15 16 9099 77.5 7.33 6787 2/15 14:00 16 9167 70.9 7.31 6883 Sea-Tac Airport 3rd Runway - South Pond System 1 PLC Data - February 20072/15 13:45 16 9144 63.4 7.28 6855

2/15 13:30 16 9164 56.5 7.26 6826 2/15 13:15 16 9241 50.3 7.24 6940 2/15 13:00 16 9281 46.2 7.20 6930 2/15 12:45 16 2017 40.4 7.18 936 2/15 11:00 16 0 4.2 7.11 0 2/15 10:45 16 7 105.37.60 0 2/15 10:30 16 10 0.0 3.13 0

count 20 4 5hours

DAILY SUMMARY: Gallons discharged106,392

108,523

Flow weighted average turbidity

Date (mm/dd)Time

(HH:MM)Operator

Code Flow In (gal)Tur In

(NTU)pH In Flow Out (gal)

2/16 19:30 16 0 25.3 6.57 0 2/16 19:15 16 0 26.1 6.55 0 2/16 14:00 16 4074 64.5 7.41 2979 2/16 13:45 16 9400 65.3 7.41 7175 2/16 13:30 16 9439 62.2 7.39 7142 2/16 13:15 16 9424 61.6 7.37 7231 2/16 13:00 16 9446 63.2 7.36 7229 2/16 12:45 16 9472 65.1 7.35 7209 2/16 12:30 16 9418 66.3 7.34 7222 2/16 12:15 16 9443 66.9 7.32 7116 2/16 12:00 16 9426 63.0 7.29 7084 2/16 11:45 16 9468 58.4 7.27 7241 2/16 11:30 16 9403 53.1 7.24 7146 2/16 11:15 16 2756 81.3 7.19 1546 2/16 11:00 16 0 658.47.10 0 2/16 10:45 16 19 32.3 7.30 0 2/16 10:30 16 0 36.8 7.29 0 2/16 10:15 16 0 36.8 7.30 0 2/16 9:45 16 0 36.9 7.27 0 2/16 3:15 16 0 42.5 7.03 0 2/16 3:00 16 0 42.7 7.02 0 Sea-Tac Airport 3rd Runway - South Pond System 1 PLC Data - February 20072/16 2:45 16 0 36.0 6.96 0

count 22 4 5.5hours

DAILY SUMMARY: Gallons discharged76,320

82,908

Flow weighted average turbidity

Date (mm/dd)Time

(HH:MM)Operator

Code Flow In (gal)Tur In

(NTU)pH In Flow Out (gal)

2/19 13:30 16 9833 68.1 7.48 7682 2/19 13:15 16 9871 65.6 7.48 7629 2/19 13:00 16 9897 58.0 7.47 7674 2/19 12:45 16 9929 47.9 7.47 7695 2/19 12:30 16 9828 38.2 7.47 7630 2/19 12:15 16 9261 31.6 7.52 6911 2/19 12:00 16 1269 66.2 7.63 579

count 7 4 1.75hours

DAILY SUMMARY: Gallons discharged45,800

46,145

Flow weighted average turbidity

Date (mm/dd)Time

(HH:MM)Operator

Code Flow In (gal)Tur In

(NTU)pH In Flow Out (gal) Sea-Tac Airport 3rd Runway - South Pond System 1 PLC Data - February 2007

Sea-Tac Airport 3rd Runway - South Pond System 1 PLC Data - February 20072/21 17:45 16 7358121.27.64 5559

2/21 17:30 16 9535130.37.64 7494 2/21 17:15 16 9573139.67.65 7371 2/21 17:00 16 9562150.1 7.65 7220 2/21 16:45 16 9533159.87.66 7247 2/21 16:30 16 9513168.77.65 7471 2/21 16:15 16 9473176.47.65 7299 2/21 16:00 16 9857183.07.64 7166 2/21 15:45 16 9848173.97.64 7381 2/21 15:30 16 9484162.57.65 7327 2/21 15:15 16 9778175.47.66 7216 2/21 15:00 16 9873187.67.64 7217 2/21 14:45 16 9859192.1 7.63 7086 2/21 14:30 16 9887189.87.61 7374 2/21 14:15 16 9993186.57.60 7107 2/21 14:00 16 9958179.07.59 7403 2/21 13:45 16 9942191.47.58 7240 2/21 13:30 16 10008200.77.56 7465 2/21 13:15 16 9845206.37.53 7017 2/21 13:00 16 9694206.47.51 7544 2/21 12:45 16 9723202.37.48 7165 2/21 12:30 16 9772201.87.46 6884 2/21 12:15 16 9704203.37.44 7385 2/21 12:00 16 9744201.47.42 7362 2/21 11:45 16 9720198.07.39 7225 2/21 11:30 16 9833188.07.37 7276 2/21 11:15 16 9756163.1 7.34 7594 2/21 11:00 16 9709130.47.32 7551 2/21 10:45 16 9779 98.2 7.29 7514 2/21 10:30 16 9769 70.0 7.27 7604 2/21 10:15 16 9780 60.7 7.24 7607 2/21 10:00 16 3715 72.9 7.23 2394 2/21 7:15 16 9392101.97.30 7169 2/21 7:00 16 9745101.47.29 7548 2/21 6:45 16 9797100.27.29 7522 2/21 6:30 16 9734100.37.29 7625 2/21 6:15 16 9779 96.9 7.30 7579 2/21 6:00 16 9765 94.5 7.33 7599 2/21 5:45 16 9811 91.4 7.38 7551 2/21 5:30 16 9791 86.3 7.45 7601 2/21 5:15 16 9791 75.3 7.58 7607 2/21 5:00 16 1004664.2 7.75 7919 2/21 4:45 16 1017956.1 8.02 8061 2/21 4:30 16 7220 46.5 8.52 4376

count 44 4 11hours

DAILY SUMMARY: Gallons discharged315,922

327,301Flow weighted average turbidity

Date (mm/dd)Time

(HH:MM)Operator

Code Flow In (gal)Tur In

(NTU)pH In Flow Out (gal)

2/22 14:30 0 4510172.97.89 3364 2/22 14:15 16 9412172.07.88 7496 2/22 14:00 16 9441 168.57.85 7451 2/22 13:45 16 9452165.07.82 7476 2/22 13:30 16 9499161.77.80 7520 2/22 13:15 16 9026158.67.77 7126 2/22 13:00 16 8708155.87.75 6929 2/22 12:45 16 8700154.47.71 6912 2/22 12:30 16 8694152.27.69 6921 2/22 12:15 16 8740151.67.67 6872 2/22 12:00 16 8705151.67.66 6775 2/22 11:45 16 8725153.57.65 6840 2/22 11:30 16 8747151.37.63 6826 2/22 11:15 16 8786146.1 7.61 6865 2/22 11:00 16 8804136.07.60 6838 2/22 10:45 16 8966122.27.58 7001 2/22 10:30 16 9532116.67.56 7157 2/22 10:15 16 5708123.07.51 3666 2/22 8:45 16 6082154.27.60 4305 2/22 8:30 16 9464153.77.59 7315 2/22 8:15 16 9436151.67.58 7413 2/22 8:00 16 9485145.87.58 7323 2/22 7:45 16 9524133.07.58 7446 2/22 7:30 16 9574114.57.57 7430 2/22 7:15 16 9532 94.3 7.55 7489 2/22 7:00 16 9599 95.5 7.51 7503 2/22 6:45 16 3998 79.5 8.21 2716 2/22 6:30 16 0 11.6 8.19 0 2/22 4:00 16 0 14.5 9.22 0 2/22 3:45 16 0 14.1 9.48 0 2/22 3:30 16 0 14.6 7.04 0 2/22 3:15 16 0 15.0 7.11 0

count 32 4 8hours

DAILY SUMMARY: Gallons discharged178,975

184,154 Sea-Tac Airport 3rd Runway - South Pond System 1 PLC Data - February 2007Flow weighted average turbidity

Date (mm/dd)Time

(HH:MM)Operator

Code Flow In (gal)Tur In

(NTU)pH In Flow Out (gal)

2/25 14:30 0 6914 26.0 7.06 5107 2/24 16:15 0 1581 51.4 6.79 1264 2/24 16:00 0 9389 50.8 6.75 7442 2/24 15:45 0 9405 51.8 6.69 7487 2/24 15:30 0 9392 53.2 6.63 7494 2/24 15:15 0 9453 53.5 6.59 7480 2/24 15:00 0 9442 90.4 6.62 7437 2/24 14:45 0 9421 119.1 6.73 7468 2/24 14:30 0 9511 57.8 6.72 7532 2/24 14:15 0 9550 59.2 6.63 7521 2/24 14:00 0 9563 60.4 6.57 7551 2/24 13:45 0 9563 62.0 6.51 7573 2/24 13:30 0 9537 63.4 6.46 7579 2/24 13:15 0 9557 65.1 6.42 7547 2/24 13:00 0 9548 66.5 6.33 7600 2/24 12:45 0 9654 67.1 6.23 7622 2/24 12:30 0 9719 65.9 6.14 7620 2/24 12:15 0 9706 69.0 6.02 7613 2/24 12:00 0 7740 71.1 5.83 5134 2/24 11:45 0 9354 82.4 5.99 4649 2/24 11:15 0 5 5.0 2.39 0

count 21 4 5.25hours

DAILY SUMMARY: Gallons discharged136,720

140,081

Flow weighted average turbidity Sea-Tac Airport 3rd Runway - South Pond System 1 PLC Data - February 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)

2/25 17:30 0 7984 42.6 7.29 6324 2/25 17:15 0 9348 43.5 7.29 7471 2/25 17:00 0 9296 43.2 7.27 7466 2/25 16:45 0 9356 42.6 7.28 7465 2/25 16:30 0 9379 41.9 7.28 7512 2/25 16:15 0 9607 41.0 7.26 7661 2/25 16:00 0 9842 40.3 7.22 7865 2/25 15:45 0 9902 38.7 7.22 7830 2/25 15:30 0 9773 37.4 7.19 7837 2/25 15:15 0 9706 44.4 7.16 7821 2/25 15:00 0 9299 69.0 7.15 7507 2/25 14:45 0 9381 26.9 7.13 7482 2/25 14:30 0 6914 26.0 7.06 5107

count 13 4 3.25hours

DAILY SUMMARY: Gallons discharged95,348

95,826

Flow weighted average turbidity

Date (mm/dd)Time

(HH:MM)Operator

Code Flow In (gal)Tur In

(NTU)pH In Flow Out (gal)
2/26 17:30 0 8327 76.1 7.64 6722 2/26 17:15 0 9325 76.7 7.65 7564 2/26 17:00 0 9400 76.7 7.65 7540 2/26 16:45 0 9417 77.9 7.65 7583 2/26 16:30 0 9444 77.1 7.69 7615 2/26 16:15 0 9457 76.7 7.68 7632 2/26 16:00 0 9489 76.2 7.66 7575 2/26 15:45 0 9405 75.5 7.65 7615 2/26 15:30 0 9452 73.7 7.63 7604 2/26 15:15 0 9504 72.6 7.61 7637 2/26 15:00 0 9439 71.1 7.60 7622 2/26 14:45 0 9406 69.1 7.57 7661 System 1 PLC Data - February 2007

Sea-Tac Airport 3rd Runway - South Pond System 1 PLC Data - February 20072/26 14:30 0 9438 65.4 7.52 7641

2/26 14:15 0 9482 62.5 7.47 7636 2/26 14:00 0 9462 59.0 7.43 7645 2/26 13:45 0 9457 55.5 7.37 7664 2/26 13:30 0 9491 52.5 7.32 7652 2/26 13:15 0 9466 49.1 7.27 7663 2/26 13:00 0 9451 46.0 7.22 7678 2/26 12:45 0 9452 42.5 7.17 7674 2/26 12:30 0 9507 37.9 7.11 7662 2/26 12:15 0 9463 32.5 7.07 7729 2/26 12:00 0 2054 35.7 7.05 1762

count 23 4 5.75hours

DAILY SUMMARY: Gallons discharged168,776

168,802

Flow weighted average turbidity

Date (mm/dd)Time

(HH:MM)Operator

Code Flow In (gal)Tur In

(NTU)pH In Flow Out (gal)

2/28 18:00 0 781 120.27.78 536 2/28 17:45 0 9327107.37.82 7402 2/28 17:30 0 9334111.27.87 7458 2/28 17:15 0 9356110.07.88 7431 2/28 17:00 0 9358104.37.86 7420 2/28 16:45 0 5590118.87.59 3884 2/28 14:45 0 6534128.98.15 5154 2/28 14:30 0 9283130.88.14 7383 2/28 14:15 0 9321 130.98.13 7439 2/28 14:00 0 9317131.68.14 7421 2/28 13:45 0 9286132.38.13 7325 2/28 13:30 0 9307132.98.13 7409 2/28 13:15 0 9219130.48.13 7364 2/28 13:00 0 9265130.38.11 7434 2/28 12:45 0 9366130.38.10 7386 2/28 12:30 0 9354129.28.10 7438 2/28 12:15 0 9314127.78.07 7397 2/28 12:00 0 9359126.58.06 7418 2/28 11:45 0 9350122.98.04 7448 2/28 11:30 0 9322117.68.03 7431 2/28 11:15 0 9396112.58.01 7429 Sea-Tac Airport 3rd Runway - South Pond System 1 PLC Data - February 20072/28 11:00 0 9438106.87.98 7444

2/28 10:45 0 9392102.97.93 7501 2/28 10:30 0 8256114.97.67 6089 2/28 6:00 0 3905139.78.05 3088 2/28 5:45 0 9283137.78.04 7408 2/28 5:30 0 9290134.78.02 7338 2/28 5:15 0 9396130.58.00 7445 2/28 5:00 0 9352124.77.96 7499 2/28 4:45 0 9336117.07.93 7481 2/28 4:30 0 9355108.77.89 7501 2/28 4:15 0 9446 98.5 7.83 7505 2/28 4:00 0 9413 87.8 7.78 7510 2/28 3:45 0 9380 75.2 7.71 7518 2/28 3:30 0 9533 61.9 7.65 7470 2/28 3:15 0 9486 49.3 7.59 7502 2/28 3:00 0 7661 38.6 7.49 5687 2/28 2:30 0 5734 26.3 7.51 4333 2/28 2:15 0 9413 28.8 7.43 7396 2/28 2:00 0 2878 71.6 7.08 1078

count 40 4 10hours

DAILY SUMMARY: Gallons discharged267,800

270,117

Flow weighted average turbidityFlow Out

(gpm)Tur Out

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

(NTU)pH Rec Press In (PSI)

324 1.7 6.65 29 2.0 6.34 19 420 1.6 6.86 0 0.0 0.00 38 418 2.4 6.92 279 19.8 6.66 39 357 5.2 4481 1.8 6.24 45 0 5064 1.4 6.68 46 0 5396 1.4 6.88 46 0 5762 1.4 6.83 45 0 6162 1.4 6.81 44 0 6613 1.5 6.84 43 501 3.6 6.68 6871 1.9 6.88 42 82 8.0 6.52 6074 5.4 5.27 9 0 10185 1.3 5.06 1 0 10258 1.3 5.06 1 0 9699 1.3 5.06 1 0 5437 1.3 5.06 0 0 6284 1.3 5.06 0 0 6809 1.3 5.06 0 0 7178 1.3 5.06 0 0 3481 1.3 5.05 0 22

106,062

NTU min 1.6 NTU max 8.0

Flow weighted average turbidity 2.1

pH min 6.52 pH max 6.92

Flow Out (gpm)Tur Out

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

(NTU)pH Rec Press In (PSI)

0 38 0.3 7.42 4 541 1.2 7.12 28 0.9 6.89 30 Sea-Tac Airport 3rd Runway - South Pond System 1 PLC Data - February 2007

Average pressure

Sea-Tac Airport 3rd Runway - South Pond System 1 PLC Data - February 2007538 0.9 7.14 0 0.0 0.00 32

542 0.8 7.11 0 0.0 0.00 32 544 0.8 7.13 0 0.0 0.00 32 559 0.8 7.11 0 0.0 0.00 31 549 0.9 7.11 0 0.0 0.00 32 558 1.3 7.13 0 0.0 0.00 32 551 2.2 7.16 2185 2.5 7.18 33 0 4265 7.4 6.72 30 29

6,516

NTU min 0.8 NTU max 2.2

Flow weighted average turbidity 1.1

pH min 7.11 pH max 7.16

Flow Out (gpm)Tur Out

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

(NTU)pH Rec Press In (PSI)

0 4309 1.7 7.19 32 0 6746 1.9 7.16 33 0 6713 1.5 7.17 34 459 1.4 7.13 2793 1.1 7.14 34 462 1.7 7.12 338 9.9 7.16 34 453 1.9 7.12 228 10.6 7.09 33 457 1.9 7.13 344 10.0 7.09 34 457 1.8 7.14 677 12.2 7.13 34 532 1.9 7.22 131 9.5 7.23 31 524 1.7 7.26 771 10.8 7.25 31 534 1.9 7.29 266 9.4 7.27 32 544 1.7 7.33 268 9.1 7.30 33 551 2.2 7.36 739 5.9 7.37 31 0 0 0.7 7.22 0 544 0.9 7.05 140 1.2 6.94 18 539 2.1 7.00 278 9.6 6.92 33 544 2.1 7.01 136 8.9 6.98 33 541 2.1 7.00 265 9.6 6.99 33 542 2.2 7.00 267 9.8 7.01 33 540 2.2 7.01 806 9.7 7.01 33 544 2.2 7.00 535 9.9 7.00 33 Sea-Tac Airport 3rd Runway - South Pond System 1 PLC Data - February 2007 Average pressure539 2.3 7.00 266 10.4 6.99 33

542 2.4 6.98 941 10.7 6.98 33 545 2.4 6.87 674 9.9 6.88 33 525 1.1 6.60 733 8.2 6.35 33 539 1.4 7.03 140 1.3 6.77 16 542 2.4 6.99 393 10.5 6.96 33 541 2.2 6.89 403 9.3 6.86 32 542 2.1 6.76 133 9.9 6.77 32 544 2.0 6.69 268 9.5 6.70 32 551 2.3 6.85 573 4.3 6.93 32 0 13 3.4 6.92 5 0 13 3.3 6.92 5 0 16 3.3 6.92 5 0 3 3.3 6.93 5 0 9 3.3 6.92 5 19

31,328

NTU min 0.9 NTU max 2.4

Flow weighted average turbidity 2.1

pH min 6.60 pH max 7.36

Flow Out (gpm)Tur Out

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

(NTU)pH Rec Press In (PSI)

447 2.8 7.16 127 2.1 7.32 33 453 2.7 7.12 0 9.5 7.10 34 449 2.7 7.12 226 9.9 7.08 34 455 2.6 7.09 117 9.8 7.13 34 459 2.6 7.09 225 9.6 7.08 34 457 2.6 7.08 0 0.0 0.00 34 459 2.5 7.04 227 9.7 6.99 34 457 2.6 7.08 0 9.9 7.15 34 456 2.5 7.01 0 0.0 0.00 34 459 2.4 7.00 111 9.5 7.02 34 460 2.2 7.02 116 9.5 7.00 34 459 2.3 7.05 0 0.0 0.00 34 Sea-Tac Airport 3rd Runway - South Pond System 1 PLC Data - February 2007 Average pressure465 1.9 7.07 114 9.8 7.04 34

463 1.9 7.13 117 9.6 7.11 34 463 1.8 7.18 0 9.7 7.10 34 470 2.8 7.18 118 8.2 7.13 34 468 3.4 7.14 607 6.2 7.12 34 0 4 1.0 7.06 1 0 4 3.2 7.15 1 0 18 0.0 3.66 0 29

2,131

NTU min 1.8 NTU max 3.4

Flow weighted average turbidity 2.4

pH min 7.00 pH max 7.18

Flow Out (gpm)Tur Out

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

(NTU)pH Rec Press In (PSI)

0 19 0.6 5.98 1 0 7 0.6 5.96 1 477 1.9 7.26 113 1.0 7.32 31 479 1.8 7.27 0 0.0 0.00 33 476 2.0 7.28 0 0.0 0.00 33 482 2.0 7.28 0 0.0 0.00 33 482 2.0 7.29 0 0.0 0.00 33 481 2.2 7.31 0 0.0 0.00 33 482 2.3 7.30 0 0.0 0.00 33 482 2.4 7.33 119 9.6 7.31 33 480 2.3 7.36 119 9.8 7.32 33 483 2.4 7.39 0 9.8 7.36 33 485 2.4 7.55 118 9.5 7.55 34 476 1.5 7.90 572 7.6 8.27 34 0 487 1.2 6.33 1 0 1522 1.1 6.37 1 0 1646 1.2 6.36 1 0 761 1.2 6.36 1 0 15 1.2 6.35 1 0 31 1.1 6.20 1 0 18 1.1 6.20 1 Average pressure

Sea-Tac Airport 3rd Runway - South Pond System 1 PLC Data - February 20070 1041 1.1 6.16 1 18

6,588

NTU min 1.5 NTU max 2.1

Flow weighted average turbidity 2.2

pH min 7.26 pH max 7.90

Flow Out (gpm)Tur Out

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

(NTU)pH Rec Press In (PSI)

512 1.7 7.43 0 0.0 0.00 32 508 1.7 7.44 0 0.0 0.00 32 512 1.6 7.45 0 0.0 0.00 32 513 1.7 7.45 0 0.0 0.00 32 508 1.7 7.00 0 0.0 0.00 32 469 1.8 6.95 113 8.8 6.95 35 460 1.7 6.95 232 24.5 6.95 35 33

345

NTU min 1.6 NTU max 1.8

Flow weighted average turbidity 1.7

pH min 6.95 pH max 7.45

Flow Out (gpm)Tur Out

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

(NTU)pH Rec Press In (PSI) Average pressure Sea-Tac Airport 3rd Runway - South Pond System 1 PLC Data - February 2007 Average pressure

Sea-Tac Airport 3rd Runway - South Pond System 1 PLC Data - February 2007495 2.4 7.62 136 2.6 7.64 31

506 2.3 7.63 123 9.8 7.58 32 500 2.4 7.63 122 9.8 7.60 32 499 2.4 7.62 244 9.6 7.61 32 502 2.5 7.62 379 9.7 7.65 32 506 2.5 7.62 124 9.7 7.62 32 503 2.5 7.61 250 9.3 7.61 32 513 2.6 7.58 519 9.2 7.62 31 518 2.6 7.57 391 9.6 7.58 31 505 2.5 7.57 244 9.3 7.57 32 515 2.8 7.55 505 9.7 7.53 31 515 2.8 7.55 511 9.7 7.53 31 515 2.7 7.53 627 9.8 7.52 31 518 2.8 7.51 381 9.6 7.57 31 517 2.7 7.49 649 9.5 7.46 31 520 2.8 7.49 382 9.3 7.51 31 517 2.7 7.48 507 9.0 7.48 31 525 2.8 7.45 387 9.5 7.44 31 510 2.8 7.42 632 9.4 7.41 31 511 2.7 7.41 128 9.7 7.37 32 502 2.7 7.38 374 9.6 7.39 32 501 2.8 7.37 615 9.4 7.35 31 509 2.8 7.34 249 9.8 7.33 31 509 2.7 7.34 379 10.1 7.32 32 507 2.8 7.32 374 9.6 7.27 31 502 2.7 7.31 250 9.6 7.29 31 506 2.4 7.29 0 9.5 7.30 32 503 2.0 7.29 0 0.0 0.00 32 501 1.7 7.27 0 0.0 0.00 32 508 1.4 7.26 0 0.0 0.00 32 510 1.5 7.22 0 0.0 0.00 32 504 1.5 7.19 523 4.2 7.10 32 504 1.5 7.36 74 1.1 7.33 31 503 1.5 7.35 0 0.0 0.00 32 502 1.4 7.33 0 0.0 0.00 32 509 1.4 7.32 0 0.0 0.00 32 505 1.2 7.30 0 0.0 0.00 32 506 1.3 7.29 0 0.0 0.00 32 503 1.3 7.28 0 0.0 0.00 32 508 1.1 7.29 0 0.0 0.00 32 507 1.1 7.32 0 0.0 0.00 32 528 1.0 7.40 0 0.0 0.00 31 537 1.1 7.60 0 0.0 0.00 30 515 1.2 8.07 1300 2.7 8.72 32 32

11,379

NTU min 1.0 Average pressureNTU max 2.8

Flow weighted average turbidity 2.1

pH min 7.19 pH max 8.07

Flow Out (gpm)Tur Out

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

(NTU)pH Rec Press In (PSI)

498 2.6 7.74 242 3.6 7.63 31 500 2.5 7.73 0 0.0 0.00 32 501 2.5 7.72 0 0.0 0.00 32 499 2.4 7.69 0 0.0 0.00 32 502 2.4 7.67 0 0.0 0.00 32 477 2.1 7.63 0 0.0 0.00 32 463 2.2 7.58 0 0.0 0.00 31 460 2.4 7.61 0 0.0 0.00 31 461 2.5 7.58 0 0.0 0.00 32 458 2.3 7.56 0 0.0 0.00 31 452 2.4 7.55 0 0.0 0.00 31 456 2.4 7.53 0 0.0 0.00 31 455 2.4 7.51 0 0.0 0.00 31 458 2.5 7.47 0 0.0 0.00 31 456 2.4 7.44 0 0.0 0.00 31 467 2.6 7.39 0 0.0 0.00 31 495 2.6 7.28 249 9.7 7.27 32 514 2.5 7.00 832 5.8 6.90 32 494 2.7 7.20 408 5.9 7.21 31 489 2.5 7.18 0 9.5 7.06 32 494 2.6 7.18 0 9.6 7.11 32 497 2.4 7.20 129 9.8 7.08 32 496 2.3 7.18 0 0.0 0.00 32 496 2.2 7.18 0 0.0 0.00 32 499 1.9 7.17 0 0.0 0.00 32 500 1.8 7.17 0 0.0 0.00 32 494 1.9 7.17 761 5.8 6.93 23 0 966 1.0 6.93 1 0 244 1.0 7.03 1 0 410 1.0 7.28 1 0 899 1.0 7.07 1 0 39 1.0 6.45 1 27

5,179

NTU min 1.8 Average pressure Sea-Tac Airport 3rd Runway - South Pond System 1 PLC Data - February 2007NTU max 2.7

Flow weighted average turbidity 2.4

pH min 7.00 pH max 7.74

Flow Out (gpm)Tur Out

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

(NTU)pH Rec Press In (PSI)

498 2.4 7.69 460 5.9 7.97 33 507 0.5 6.66 24 0.6 6.66 29 496 0.5 6.66 0 0.0 0.00 32 499 0.6 6.67 0 0.0 0.00 32 500 0.6 6.69 0 0.0 0.00 32 499 0.6 6.70 0 0.0 0.00 32 496 0.7 6.67 0 0.0 0.00 32 498 0.6 6.72 0 0.0 0.00 32 502 0.6 6.70 0 0.0 0.00 32 502 0.6 6.71 0 0.0 0.00 32 503 0.6 6.74 0 0.0 0.00 32 504 0.7 6.71 0 0.0 0.00 32 505 0.7 6.69 0 0.0 0.00 32 503 0.7 6.67 0 0.0 0.00 32 507 0.8 6.63 0 0.0 0.00 32 508 0.9 6.58 0 0.0 0.00 32 509 1.0 6.49 0 0.0 0.00 32 507 1.5 6.40 0 0.0 0.00 32 513 2.8 6.49 890 8.3 6.67 31 488 3.2 6.62 1987 24.7 6.71 32 0 0 0.4 3.61 0 28

3,361

NTU min 0.5 NTU max 3.2

Flow weighted average turbidity 1.0

pH min 6.40 pH max 7.69 Average pressure Sea-Tac Airport 3rd Runway - South Pond System 1 PLC Data - February 2007

Sea-Tac Airport 3rd Runway - South PondFlow Out

(gpm)Tur Out

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

(NTU)pH Rec Press In (PSI)

496 0.5 7.32 18 0.3 7.19 32 498 0.5 7.33 0 0.0 0.00 33 498 0.5 7.33 0 0.0 0.00 33 498 0.5 7.33 0 0.0 0.00 33 500 0.5 7.34 0 0.0 0.00 33 511 0.5 7.35 0 0.0 0.00 32 524 0.5 7.34 0 0.0 0.00 31 522 0.5 7.32 0 0.0 0.00 31 523 0.5 7.31 0 0.0 0.00 31 522 0.6 7.32 0 0.0 0.00 31 501 0.5 7.35 0 0.0 0.00 32 499 0.7 7.45 0 0.0 0.00 33 498 2.4 7.69 460 5.9 7.97 33 31

478

NTU min 0.5 NTU max 3.2

Flow weighted average turbidity 1.8

pH min 6.40 pH max 7.69

Flow Out (gpm)Tur Out

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

(NTU)pH Rec Press In (PSI)
505 0.8 7.61 26 1.4 7.50 31 504 0.8 7.59 0 0.0 0.00 32 503 0.9 7.59 0 0.0 0.00 32 506 0.9 7.57 0 0.0 0.00 32 507 0.9 7.55 0 0.0 0.00 32 509 0.8 7.53 0 0.0 0.00 32 505 0.8 7.50 0 0.0 0.00 32 508 0.8 7.47 0 0.0 0.00 32 507 0.8 7.45 0 0.0 0.00 32 509 0.8 7.41 0 0.0 0.00 32 507 0.7 7.37 0 0.0 0.00 32 511 0.6 7.35 0 0.0 0.00 32 Average pressure System 1 PLC Data - February 2007

Sea-Tac Airport 3rd Runway - South Pond System 1 PLC Data - February 2007509 0.6 7.32 0 0.0 0.00 33

509 0.6 7.29 0 0.0 0.00 32 509 0.6 7.25 0 0.0 0.00 33 511 0.6 7.25 0 0.0 0.00 32 510 0.5 7.24 0 0.0 0.00 32 511 0.6 7.22 0 0.0 0.00 32 512 0.5 7.21 0 0.0 0.00 33 511 0.5 7.20 0 0.0 0.00 33 511 0.5 7.19 0 0.0 0.00 33 516 0.7 7.20 0 0.0 0.00 33 511 1.6 7.26 0 1.2 7.45 35 32

26

NTU min 0.5 NTU max 1.6

Flow weighted average turbidity 0.7

pH min 7.19 pH max 7.61

Flow Out (gpm)Tur Out

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

(NTU)pH Rec Press In (PSI)

533 1.0 7.86 143 3.6 7.92 36 493 1.8 7.86 0 0.0 0.00 33 497 1.9 7.86 0 0.0 0.00 33 496 2.3 7.84 0 0.0 0.00 33 495 2.4 7.75 0 0.0 0.00 33 501 2.4 7.53 596 4.9 7.37 33 492 2.9 8.13 28 2.0 8.03 32 492 3.1 8.13 0 0.0 0.00 33 495 3.0 8.13 0 0.0 0.00 33 494 3.0 8.11 0 0.0 0.00 33 488 3.1 8.11 0 0.0 0.00 33 493 3.0 8.10 0 0.0 0.00 33 491 3.0 8.09 0 0.0 0.00 33 496 2.9 8.08 0 0.0 0.00 33 492 2.9 8.07 0 0.0 0.00 33 496 2.8 8.06 0 0.0 0.00 33 493 2.8 8.05 0 0.0 0.00 33 494 2.8 8.03 0 0.0 0.00 33 497 2.7 8.01 0 0.0 0.00 33 495 2.9 8.00 0 0.0 0.00 33 495 2.9 7.97 0 0.0 0.00 33 Average pressure

Sea-Tac Airport 3rd Runway - South Pond System 1 PLC Data - February 2007496 2.9 7.92 0 0.0 0.00 33

500 2.9 7.79 0 0.0 0.00 33 507 3.0 7.41 537 5.9 6.77 33 494 3.3 7.96 9 4.1 7.90 31 494 3.4 7.94 0 0.0 0.00 32 497 3.3 7.92 123 9.5 7.86 33 497 3.1 7.88 0 0.0 0.00 33 500 2.8 7.86 0 0.0 0.00 33 499 2.0 7.82 0 0.0 0.00 33 500 1.7 7.79 0 0.0 0.00 33 500 1.9 7.76 0 0.0 0.00 33 501 1.5 7.72 0 0.0 0.00 33 501 1.2 7.68 0 0.0 0.00 33 498 1.0 7.65 0 0.0 0.00 33 500 0.7 7.63 0 0.0 0.00 33 494 0.8 7.70 363 1.0 7.71 33 495 1.0 7.64 141 1.8 7.45 32 493 1.3 7.76 0 0.0 0.00 34 455 2.4 7.95 377 30.5 8.03 27 33

2,317

NTU min 0.7 NTU max 3.4

Flow weighted average turbidity 2.4

pH min 7.41 pH max 8.13 Average pressurePress

Out (PSI)P

(PSI)

15 4 31 7 29 10 13 32 16 30 19 27 22 23 25 19 28 15 31 11 9 0 2 -1 1 0 1 0 1 -1 0 0 0 0 0 0 0 0 13 9

Press Out (PSI)P

(PSI)

4 0 20 1020 12

20 12 21 11 20 11 21 11 21 11 23 10 23 7 19 10

Press Out (PSI)P

(PSI)

26 6 26 7 26 8 26 8 26 8 25 8 25 9 25 9 20 11 20 11 21 11 21 12 21 10 0 0 13 5 20 13 21 12 21 12 21 12 21 12 21 1221 12

21 12 21 12 21 12 12 4 20 13 20 12 20 12 21 11 21 11 5 0 5 0 4 1 5 0 4 1 13 6

Press Out (PSI)P

(PSI)

25 8 26 8 26 8 26 8 26 8 26 8 26 8 26 8 26 8 26 8 26 8 26 826 8

26 8 26 8 27 7 27 7 1 0 1 0 1 -1 22 7

Press Out (PSI)P

(PSI)

1 0 1 0 24 7 25 8 25 8 25 8 25 8 25 8 25 8 26 7 26 7 25 8 26 8 25 9 1 0 1 0 1 0 1 0 1 0 1 0 1 01 0

14 4

Press Out (PSI)P

(PSI)

23 9 23 9 23 9 23 9 24 8 27 8 27 8 24 9

Press Out (PSI)P

(PSI)22 9

23 9 23 9 23 9 23 9 23 9 23 9 21 10 21 10 23 9 22 9 22 9 21 10 21 10 21 10 22 9 22 9 21 10 22 9 23 9 23 9 23 8 23 8 23 9 23 8 23 8 23 9 24 8 23 9 23 9 24 8 23 9 23 8 23 9 23 9 23 9 23 9 23 9 23 9 24 8 23 9 22 9 21 9 24 8 23 9Press

Out (PSI)P

(PSI)

21 10 22 10 22 10 22 10 22 10 23 9 23 8 23 8 23 9 23 8 23 8 23 8 23 8 23 8 23 8 23 8 23 9 22 10 22 9 22 10 23 9 23 9 23 9 23 9 23 9 24 8 17 6 1 0 1 0 1 0 1 0 1 0 19 7Press

Out (PSI)P

(PSI)

23 10 21 8 22 10 22 10 22 10 22 10 22 10 22 10 23 9 22 10 23 9 23 9 23 9 23 9 23 9 23 9 23 9 23 9 24 7 22 10 1 -1 20 8Press

Out (PSI)P

(PSI)

22 10 22 11 22 11 22 11 22 11 22 10 20 11 20 11 20 11 20 11 22 10 23 10 23 10 21 9

Press Out (PSI)P

(PSI)
20 11 21 11 21 11 21 11 21 11 21 11 21 11 21 11 21 11 21 11 21 11 21 1121 12

21 11 21 12 21 11 21 11 21 11 21 12 22 11 21 12 22 11 25 10 21 11

Press Out (PSI)P

(PSI)

29 7 22 11 23 10 23 10 23 10 22 11 22 10 23 10 23 10 23 10 23 10 23 10 23 10 23 10 23 10 23 10 23 10 23 10 23 10 23 10 23 1023 10

23 10 22 11 22 9 22 10 23 10 22 11 23 10 22 11 23 10 23 10 23 10 23 10 22 11 23 10 23 10 22 10 22 12 17 10 23 10Date

(mm/dd)Time

(HH:MM)Operator

Code Flow In (gal)Tur In

(NTU)pH In Flow Out (gal)

2/0521:00 0 2871 174.77.24 2041 2/0520:45 0 9315 61.8 7.24 7331 2/0520:30 0 4249 26.6 7.25 2949 2/0520:15 0 9061 22.0 7.21 6946 2/0520:00 0 9620 33.7 7.22 7198 2/05 19:45 0 8897 32.1 7.24 6276 2/05 19:30 0 9625 38.4 7.24 6879 2/05 19:15 0 9543 50.8 7.24 6709 2/05 19:00 0 9563 58.6 7.21 6736 2/05 18:45 0 6440 80.4 7.02 4606 2/05 18:30 0 6399 64.5 7.27 4048 2/05 18:15 0 9531 61.2 7.24 6608 2/05 18:00 0 9522 58.8 7.16 6694 2/05 17:45 0 1054443.9 7.01 3749

count 14 4 3.5hours

DAILY SUMMARY: Gallons discharged78,770

89,748

Flow weighted average turbidity

Date (mm/dd)Time

(HH:MM)Operator

Code Flow In (gal)Tur In

(NTU)pH In Flow Out (gal)

2/07 17:30 0 5586 33.1 7.49 0 2/07 17:15 0 4060 39.6 7.51 0 2/07 16:00 0 6416 57.9 7.41 5295 2/07 15:45 0 1024858.9 7.40 8714 2/07 15:30 0 1012859.7 7.39 8043 2/07 15:15 0 9834 59.2 7.38 7695 Sea-Tac Airport 3rd Runway - South Pond System 2 PLC Data - February 2007

Sea-Tac Airport 3rd Runway - South Pond System 2 PLC Data - February 20072/07 15:00 0 9633 57.8 7.37 7263

2/07 14:45 0 9676 54.8 7.37 7294 2/07 14:30 0 9694 51.0 7.37 7537 2/07 14:15 0 8353 45.1 7.38 5638 2/07 14:00 0 9819 30.9 7.34 7490 2/07 13:45 0 7539 51.6 7.32 2302 2/07 13:15 0 4 45.7 7.04 0 2/07 13:00 0 11 43.4 7.00 0 2/07 12:45 0 22 55.8 6.93 0 2/07 12:30 0 72 53.7 6.94 0 2/07 12:15 0 102 101.77.04 0 2/07 12:00 0 48 74.9 6.50 0 2/07 11:45 0 8 633.1 0.00 0

count 19 4 4.75hours

DAILY SUMMARY: Gallons discharged67,271

84,345

Flow weighted average turbidity

Date (mm/dd)Time

(HH:MM)Operator

Code Flow In (gal)Tur In

(NTU)pH In Flow Out (gal)

2/09 17:30 16 2250 36.8 7.31 1913 2/09 17:15 16 9812 36.9 7.31 7998 2/09 17:00 16 9775 36.8 7.31 8060 2/09 16:45 16 9864 32.9 7.31 8020 2/09 16:30 16 9802 30.6 7.31 8096 2/09 16:15 16 9722 27.3 7.32 8016 2/09 16:00 16 9643 27.4 7.33 7596 2/09 15:45 16 9131 20.9 7.35 7318 2/09 15:30 16 9057 17.5 7.37 7361 2/09 15:15 16 9020 13.3 7.42 7261 2/09 15:00 16 4772 25.6 7.50 2334 2/09 13:45 0 0 3.6 7.56 0 2/09 13:15 0 0 3.8 7.56 0 2/09 13:00 0 4 3.8 7.56 0 2/09 12:00 0 10 5.0 7.56 0 2/09 11:45 0 0 3.8 7.56 0 Sea-Tac Airport 3rd Runway - South Pond System 2 PLC Data - February 2007count 16 4 4hours

DAILY SUMMARY: Gallons discharged73,973

75,460

Flow weighted average turbidity

Date (mm/dd)Time

(HH:MM)Operator

Code Flow In (gal)Tur In

(NTU)pH In Flow Out (gal)

2/11 23:45 16 9761 25.4 7.36 8063 2/11 23:30 16 9709 15.1 7.39 8100 2/11 23:15 16 7911 35.2 7.54 6316

count 3 4 0.75hours

DAILY SUMMARY: Gallons discharged22,479

23,127

Flow weighted average turbidity

Date (mm/dd)Time

(HH:MM)Operator

Code Flow In (gal)Tur In

(NTU)pH In Flow Out (gal)

2/12 17:00 16 0 53.8 6.23 0 2/12 16:45 16 0 55.3 6.23 0 2/12 16:30 16 0 55.4 6.24 0 System 2 PLC Data - February 2007 Sea-Tac Airport 3rd Runway - South Pond System 2 PLC Data - February 2007

Sea-Tac Airport 3rd Runway - South Pond2/12 16:15 16 0 54.6 6.53 0

2/12 15:45 16 7912 63.9 7.21 6780 2/12 15:30 16 9362 62.3 7.22 7916 2/12 15:15 16 9200 60.1 7.22 7908 2/12 15:00 16 9158 53.0 7.22 7930 2/12 14:45 16 9246 57.0 7.23 7940 2/12 14:30 16 9331 57.4 7.24 7813 2/12 14:15 16 9109 60.4 7.25 7778 2/12 14:00 16 9183 59.1 7.27 7869 2/12 13:45 16 9079 55.3 7.28 7827 2/12 13:30 16 9139 48.4 7.31 7627 2/12 13:15 16 3127172.07.30 1806 2/12 13:00 16 542 827.1 7.14 0 2/12 6:15 16 4020 65.5 7.27 3084 2/12 6:00 16 9127 69.0 7.27 7573 2/12 5:45 16 9034 77.2 7.27 7775 2/12 5:30 16 9153 79.0 7.27 7755 2/12 5:15 16 9229 79.2 7.28 7555 2/12 5:00 16 9219 80.1 7.28 7731 2/12 4:45 16 9095 80.6 7.29 7816 2/12 4:30 16 9210 79.6 7.29 7725 2/12 4:15 16 9268 79.3 7.30 7422 2/12 4:00 16 9168 80.5 7.31 7831 2/12 3:45 16 9771 78.6 7.31 7934 2/12 3:30 16 9644 82.4 7.31 8152 2/12 3:15 16 9726 85.5 7.34 7774 2/12 3:00 16 9646 84.7 7.35 7991 2/12 2:45 16 9634 88.4 7.33 7785 2/12 2:30 16 9190 87.6 7.34 7530 2/12 2:15 16 9123 84.0 7.34 7710 2/12 2:00 16 9219 78.0 7.33 7561 2/12 1:45 16 9034 57.1 7.34 7746 2/12 1:30 16 2039 45.6 7.42 1537 2/12 1:15 16 985 46.5 7.32 659 2/12 1:00 16 9788 48.1 7.34 8049 2/12 :45 16 9674 52.5 7.34 8163 2/12 :30 16 9789 53.8 7.35 8073 2/12 :15 16 9755 53.4 7.36 8157 2/12 : 16 9757 43.3 7.36 8146

count 42 4 10.5hours

DAILY SUMMARY: Gallons discharged264,428

267,823

Flow weighted average turbidityDate

(mm/dd)Time

(HH:MM)Operator

Code Flow In (gal)Tur In

(NTU)pH In Flow Out (gal)

2/14 19:30 16 0 67.9 7.09 0 2/14 19:15 16 5407 75.0 7.34 3791 2/14 19:00 16 9708 38.0 7.31 8191 2/14 18:45 16 9750 36.0 7.29 8150 2/14 18:30 16 9558 33.6 7.26 8321 2/14 18:15 16 9723 23.7 7.25 7935 2/14 18:00 16 3885110.27.20 1740

count 7 4 1.75hours

DAILY SUMMARY: Gallons discharged38,128

38,989

Flow weighted average turbidity

Date (mm/dd)Time

(HH:MM)Operator

Code Flow In (gal)Tur In

(NTU)pH In Flow Out (gal)

2/15 16:45 16 6515 96.0 7.43 5374 2/15 16:30 16 9084 96.0 7.43 7805 2/15 16:15 16 9114 95.6 7.43 7683 2/15 16:00 16 9219 94.6 7.43 7554 2/15 15:45 16 9088 92.4 7.42 7929 2/15 15:30 16 9216 89.5 7.42 7808 2/15 15:15 16 9246 87.4 7.41 7824 2/15 15:00 16 9071 84.1 7.41 7946 2/15 14:45 16 9163 79.6 7.41 7898 2/15 14:30 16 9295 75.3 7.41 7749 2/15 14:15 16 9067 70.2 7.41 7994 2/15 14:00 16 9227 62.9 7.42 7818 Sea-Tac Airport 3rd Runway - South Pond System 2 PLC Data - February 2007 Sea-Tac Airport 3rd Runway - South Pond System 2 PLC Data - February 20072/15 13:45 16 9271 57.2 7.42 7846

2/15 13:30 16 9094 50.4 7.43 8054 2/15 13:15 16 9349 46.1 7.47 7945 2/15 13:00 16 9344 42.2 7.61 7984 2/15 12:45 16 3730 44.6 8.14 2741 2/15 11:15 16 0 76.6 9.18 0

count 18 4 4.5hours

DAILY SUMMARY: Gallons discharged125,952

127,200

Flow weighted average turbidity

Date (mm/dd)Time

(HH:MM)Operator

Code Flow In (gal)Tur In

(NTU)pH In Flow Out (gal)

2/19 13:45 16 9071 62.8 7.48 7642 2/19 13:30 16 8960 61.1 7.48 7781 2/19 13:15 16 9019 59.4 7.48 7885 2/19 13:00 16 9054 55.0 7.48 7717 2/19 12:45 16 9033 46.5 7.47 7839 2/19 12:30 16 9080 36.9 7.48 7763 2/19 12:15 16 9218 35.5 7.63 6962 2/19 12:00 16 6406 64.3 8.33 0 2/19 11:45 16 5252 64.9 8.56 0 2/19 11:30 16 2260 78.2 8.92 0 2/19 11:15 16 4527130.38.92 0 2/19 11:00 16 1346394.06.86 0 2/19 10:45 16 0 48.6 7.08 0

count 13 4 3.25hours

DAILY SUMMARY: Gallons discharged53,589

55,137

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

(mm/dd)Time

(HH:MM)Operator

Code Flow In (gal)Tur In

(NTU)pH In Flow Out (gal)

2/21 18:00 16 291 120.47.64 121 2/21 17:45 16 9255127.1 7.63 6679 2/21 17:30 16 9239139.37.64 6833 2/21 17:15 16 9290149.1 7.65 6574 2/21 17:00 16 9324160.47.65 6449 2/21 16:45 16 9468170.27.65 6308 2/21 16:30 16 9554179.1 7.65 6272 2/21 16:15 16 9620190.77.61 6128 2/21 16:00 16 710 207.67.58 167 2/21 15:45 16 4617195.1 7.60 2380 2/21 15:30 16 9456175.37.58 5527 2/21 15:15 16 4241 199.87.51 0 2/21 14:00 16 10 197.57.51 0 2/21 13:30 16 185 204.1 7.54 0 2/21 13:15 16 6680201.77.53 5518 2/21 13:00 16 7983198.77.50 4797 2/21 12:45 16 8146202.97.48 5657 2/21 12:30 16 7894202.67.45 6645 2/21 12:15 16 7791200.1 7.42 6642 2/21 12:00 16 8102197.27.40 5952 2/21 11:45 16 8252191.1 7.37 6024 2/21 11:30 16 7983174.87.35 7019 2/21 11:15 16 8817153.27.32 7078 2/21 11:00 16 8511 122.97.29 7584 2/21 10:45 16 8844 96.0 7.26 7189 2/21 10:30 16 8992 74.9 7.23 7271 2/21 10:15 16 8852 87.7 7.17 6613 2/21 10:00 16 174 251.07.07 0 2/21 7:30 16 1343104.1 7.22 988 2/21 7:15 16 8887104.37.20 7378 2/21 7:00 16 8803102.87.17 7322 2/21 6:45 16 8816103.07.15 7440 2/21 6:30 16 8767102.67.12 7458 2/21 6:15 16 8836100.57.10 7460 2/21 6:00 16 8859 98.8 7.07 7480 2/21 5:45 16 8878 97.1 7.05 7485 2/21 5:30 16 8896 93.4 7.02 7653 2/21 5:15 16 9002 83.9 7.00 7389 2/21 5:00 16 8965 74.9 6.98 821 2/21 4:45 16 8949 60.1 6.97 1263 2/21 4:30 16 9265 43.6 7.02 7518 Sea-Tac Airport 3rd Runway - South Pond System 2 PLC Data - February 20072/21 4:15 16 2754 98.5 7.20 1412

count 42 4 10.5hours 6.97

DAILY SUMMARY: Gallons discharged216,494

250,451

Flow weighted average turbidity

Date (mm/dd)Time

(HH:MM)Operator

Code Flow In (gal)Tur In

(NTU)pH In Flow Out (gal)

2/22 14:45 0 2664178.57.80 1811 2/22 14:30 16 9274183.57.79 6878 2/22 14:15 16 9240185.57.78 6556 2/22 14:00 16 9235181.27.76 6618 2/22 13:45 16 9233176.77.74 6834 2/22 13:30 16 9267172.27.71 6592 2/22 13:15 16 9328170.47.69 6508 2/22 13:00 16 9291 168.07.67 6939 2/22 12:45 16 9333165.57.65 6858 2/22 12:30 16 9471 163.37.62 6893 2/22 12:15 16 9623162.87.60 7128 2/22 12:00 16 9601 162.67.59 7280 2/22 11:45 16 9631 163.57.57 7071 2/22 11:30 16 9668160.97.55 7063 2/22 11:15 16 9634154.07.54 7316 2/22 11:00 16 9617142.97.52 7212 2/22 10:45 16 9605130.47.51 7027 2/22 10:30 16 9628121.07.55 6847 2/22 10:15 16 1276161.97.71 590 2/22 8:45 16 8349166.97.49 5880 2/22 8:30 16 9202165.47.48 6697 2/22 8:15 16 9261 162.77.46 6481 2/22 8:00 16 9297156.1 7.44 6582 2/22 7:45 16 9266141.67.43 6821 2/22 7:30 16 9272122.37.40 6951 2/22 7:15 16 9354 99.4 7.38 7200 2/22 7:00 16 9313 78.3 7.39 7217 2/22 6:45 16 7549 72.5 7.58 5121 Sea-Tac Airport 3rd Runway - South Pond System 2 PLC Data - February 20072/22 6:30 16 399 24.3 7.83 0

2/22 4:15 16 1163370.1 7.92 0 2/22 4:00 16 1589440.37.95 0 2/22 3:45 16 4 53.3 8.05 0 2/22 3:15 16 3285 70.1 7.85 0 2/22 3:00 16 9375124.27.04 0 2/22 2:45 16 172 765.57.21 0 7.04 count 35 4 8.75hours 8.05

DAILY SUMMARY: Gallons discharged178,971

192,296

Flow weighted average turbidity

Date (mm/dd)Time

(HH:MM)Operator

Code Flow In (gal)Tur In

(NTU)pH In Flow Out (gal)

2/25 14:15 0 490 150.40.00 0 2/24 16:15 0 3277 56.2 0.00 2563 2/24 16:00 0 8922 56.9 0.00 6984 2/24 15:45 0 8870 56.9 0.00 7027 2/24 15:30 0 8898 56.9 0.00 7027 2/24 15:15 0 8937 58.9 0.00 7026 2/24 15:00 0 8959 58.9 0.00 7020 2/24 14:45 0 8918 59.5 0.00 7037 2/24 14:30 0 8932 60.6 0.00 7054 2/24 14:15 0 8970 87.5 0.00 6791 2/24 14:00 0 8953 63.4 0.00 7063 2/24 13:45 0 8987 65.1 0.00 7082 2/24 13:30 0 9014 66.7 0.00 7093 2/24 13:15 0 9071 68.9 0.00 7082 2/24 13:00 0 9018 70.6 0.00 7131 2/24 12:45 0 9064 71.8 0.00 7136 2/24 12:30 0 9126 71.2 0.00 7138 2/24 12:15 0 9216 73.7 0.00 7169 2/24 12:00 0 7209 85.6 3.41 5127 2/24 11:45 0 9093 52.4 3.66 6330 0.00 count 20 4 5hours 3.66 System 2 PLC Data - February 2007 Sea-Tac Airport 3rd Runway - South PondDAILY SUMMARY: Gallons discharged126,880

127,819

Flow weighted average turbidity

Date (mm/dd)Time

(HH:MM)Operator

Code Flow In (gal)Tur In

(NTU)pH In Flow Out (gal)

2/25 17:45 0 569 47.2 0.00 349 2/25 17:30 0 8764 45.7 0.00 7021 2/25 17:15 0 8822 46.5 0.00 7018 2/25 17:00 0 8902 46.3 0.00 7005 2/25 16:45 0 8960 45.5 0.00 7038 2/25 16:30 0 8993 44.6 0.00 7026 2/25 16:15 0 3312 57.5 0.00 2223 2/25 15:15 0 499 57.8 0.00 345 2/25 15:00 0 8894126.80.00 6939 2/25 14:45 0 8994 22.9 0.00 7011 2/25 14:30 0 9241 20.4 0.00 6734 2/25 14:15 0 490 150.40.00 0 0.00 count 12 4 3hours 3.66

DAILY SUMMARY: Gallons discharged58,709

59,713

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

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

(mm/dd)Time

(HH:MM)Operator

Code Flow In (gal)Tur In

(NTU)pH In Flow Out (gal)

2/28 18:00 0 2109102.07.77 1602 2/28 17:45 0 8845106.87.79 6918 2/28 17:30 0 8873111.27.80 6941 2/28 17:15 0 8846110.07.69 6946 2/28 17:00 0 8919113.1 7.12 6584 2/28 16:45 0 1104164.26.46 449 2/28 15:00 0 8908129.58.09 6477 2/28 14:45 0 8849134.38.10 6674 2/28 14:30 0 8876136.98.09 6392 2/28 14:15 0 8881 137.08.08 6461 2/28 14:00 0 8884137.78.07 6544 2/28 13:45 0 8873137.68.06 6446 2/28 13:30 0 8879137.38.05 6525 2/28 13:15 0 8815137.1 8.04 6666 2/28 13:00 0 8879136.68.02 6579 2/28 12:45 0 8887136.38.00 6572 2/28 12:30 0 8963135.47.97 6575 2/28 12:15 0 8859134.37.94 6549 2/28 12:00 0 8899132.07.90 6706 2/28 11:45 0 8934127.77.85 6470 2/28 11:30 0 8888122.97.77 6602 2/28 11:15 0 8848116.87.63 6613 2/28 11:00 0 8859111.1 7.35 6598 2/28 10:45 0 8859107.96.65 6453 2/28 10:30 0 1024222.05.27 450 2/28 6:00 0 6663147.47.87 5097 2/28 5:45 0 8831 144.97.85 6928 2/28 5:30 0 8785142.07.82 6808 2/28 5:15 0 8855137.57.76 6957 2/28 5:00 0 8881 131.57.70 6953 2/28 4:45 0 8886123.87.62 6968 2/28 4:30 0 8857114.87.51 6974 2/28 4:15 0 8943104.77.36 6999 2/28 4:00 0 8957 93.4 7.19 6999 2/28 3:45 0 8956 79.3 6.96 7006 2/28 3:30 0 8992 66.0 6.73 7037 2/28 3:15 0 9078 52.4 6.41 7014 2/28 3:00 0 5490 40.9 5.75 3854 2/28 2:30 0 7711 26.7 6.24 5817 2/28 2:15 0 9078 51.5 5.60 5668 2/28 2:00 0 311 76.7 0.00 0 0.00 count 41 410.25hours 8.10

DAILY SUMMARY: Gallons discharged244,871

254,664Flow weighted average turbidityFlow Out

(gpm)Tur Out

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

(NTU)pH Rec Press In (PSI)

510 2.8 7.86 267 5.6 7.82 31 506 2.6 7.88 248 9.5 7.88 34 512 2.2 7.94 575 5.0 7.62 31 524 2.6 7.84 438 7.9 7.75 33 524 2.8 7.84 625 9.3 7.84 34 524 2.7 7.86 950 8.6 7.75 33 519 2.9 7.86 867 10.2 7.85 34 517 3.0 7.87 955 10.7 7.85 35 518 2.9 7.89 961 10.8 7.87 35 544 1.9 7.96 804 6.0 7.53 28 520 3.2 7.80 849 6.0 7.48 28 519 3.2 7.78 1105 12.3 7.79 35 515 2.9 7.77 989 11.9 7.78 35 516 2.7 7.82 1345 3.7 7.25 23 32

10,978

NTU min 1.9 NTU max 3.2

Flow weighted average turbidity 2.8

pH min 7.77 pH max 7.96

Flow Out (gpm)Tur Out

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

(NTU)pH Rec Press In (PSI)

0 4604 2.2 7.22 31 0 3460 2.7 7.41 30 588 1.7 6.77 171 20.6 6.87 28 581 1.7 6.75 0 9.3 6.75 29 575 2.3 6.75 560 9.1 6.77 30 559 2.9 6.80 670 9.5 6.81 31 Sea-Tac Airport 3rd Runway - South Pond System 2 PLC Data - February 2007

Average pressure

Sea-Tac Airport 3rd Runway - South Pond System 2 PLC Data - February 2007538 2.8 6.90 793 9.3 6.89 32

540 2.6 7.01 796 9.8 7.00 32 539 2.7 7.14 526 9.0 7.12 32 538 2.6 7.27 1051 4.4 7.33 29 545 3.0 7.27 672 10.4 7.27 34 539 3.1 7.25 3771 8.3 7.22 32 0 0 2.4 6.99 0 0 3.4 6.94 0 0 6.5 6.86 0 0 3.5 6.93 0 0 7.2 7.10 0 0 28.1 7.78 0 0 0.9 7.41 31

17,074

NTU min 1.7 NTU max 3.1

Flow weighted average turbidity 2.5

pH min 6.75 pH max 7.27

Flow Out (gpm)Tur Out

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

(NTU)pH Rec Press In (PSI)

547 0.7 7.04 14 0.4 6.87 30 533 1.0 7.04 0 0.0 0.00 31 537 0.9 7.04 0 0.0 0.00 32 535 1.0 7.04 0 0.0 0.00 31 539 1.0 7.04 0 0.0 0.00 32 535 1.0 7.05 0 0.0 0.00 32 506 1.2 7.05 0 0.0 0.00 32 488 1.1 7.07 0 0.0 0.00 34 491 1.0 7.10 0 0.0 0.00 34 483 1.3 7.14 0 0.0 0.00 35 519 2.0 6.95 1400 3.5 5.96 31 0 3 0.4 7.67 0 0 41 0.4 7.67 0 0 23 0.4 7.67 0 0 0 0.4 7.68 0 0 6 0.4 7.68 0 Average pressure

Sea-Tac Airport 3rd Runway - South Pond System 2 PLC Data - February 200722

1,487

NTU min 0.7 NTU max 2.0

Flow weighted average turbidity 1.1

pH min 6.95 pH max 7.14

Flow Out (gpm)Tur Out

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

(NTU)pH Rec Press In (PSI)

537 1.0 6.19 0 0.0 0.00 31 540 1.0 6.03 0 0.0 0.00 32 550 1.0 6.47 648 5.1 7.41 33 32

648

NTU min 1.0 NTU max 1.0

Flow weighted average turbidity 1.0

pH min 6.03 pH max 6.47

Flow Out (gpm)Tur Out

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

(NTU)pH Rec Press In (PSI)

0 3 0.6 6.22 1 0 12 0.6 6.21 1 0 29 0.6 6.21 2 System 2 PLC Data - February 2007 Sea-Tac Airport 3rd Runway - South Pond System 2 PLC Data - February 2007

Average pressure Average pressure

Sea-Tac Airport 3rd Runway - South Pond0 15 0.6 6.21 1

553 1.3 6.99 135 1.1 7.22 33 527 1.2 7.05 0 0.0 0.00 33 527 1.2 7.08 0 0.0 0.00 33 529 1.0 7.07 0 0.0 0.00 34 529 1.2 7.07 0 0.0 0.00 34 521 1.4 7.02 0 0.0 0.00 33 519 1.1 7.03 0 0.0 0.00 34 524 1.3 7.04 0 0.0 0.00 34 522 1.3 7.02 0 0.0 0.00 34 517 1.7 6.98 121 8.7 6.61 34 507 2.7 6.85 669 3.4 7.22 26 0 17 1.1 7.42 0 512 2.2 6.93 154 5.4 7.00 33 514 1.5 6.97 124 9.5 6.93 34 527 1.5 6.97 124 9.6 6.94 35 517 1.8 6.97 0 9.7 6.94 34 512 1.8 6.97 121 9.6 6.95 34 516 1.8 6.96 0 9.8 6.85 34 528 1.7 6.97 122 9.2 6.95 34 515 1.9 6.95 0 9.2 6.98 34 512 1.9 6.96 250 9.9 6.93 34 531 1.7 7.02 124 9.7 6.96 34 538 2.0 7.00 132 9.7 6.98 32 544 2.0 7.07 0 9.6 7.00 32 535 2.0 7.01 262 9.5 6.98 32 542 1.9 7.01 130 9.7 6.95 32 527 1.9 6.94 127 9.6 6.93 32 511 1.7 6.96 123 9.5 6.90 34 514 1.5 6.91 0 9.6 6.95 34 504 1.7 6.86 0 0.0 0.00 33 517 1.1 6.85 0 0.0 0.00 34 558 0.6 7.14 515 3.1 7.11 36 528 1.3 6.87 86 0.7 6.50 24 536 1.5 6.86 0 0.0 0.00 31 544 1.2 6.81 0 0.0 0.00 32 538 1.4 6.70 0 0.0 0.00 31 544 1.3 6.58 0 0.0 0.00 32 543 1.1 6.44 0 0.0 0.00 32 29

3,395

NTU min 0.6 NTU max 2.7

Flow weighted average turbidity 1.5

pH min 6.44 pH max 7.14 Average pressureFlow Out

(gpm)Tur Out

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

(NTU)pH Rec Press In (PSI)

0 6 0.8 6.91 1 561 1.0 7.25 98 1.0 6.91 23 546 1.3 7.24 0 0.0 0.00 32 544 1.2 7.22 0 0.0 0.00 32 554 1.2 7.19 0 0.0 0.00 32 538 1.4 7.17 131 9.5 7.12 32 537 1.1 7.07 626 1.4 6.59 17 28

861

NTU min 1.0 NTU max 1.4

Flow weighted average turbidity 1.2

pH min 7.07 pH max 7.25

Flow Out (gpm)Tur Out

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

(NTU)pH Rec Press In (PSI)

524 3.0 7.36 245 5.0 7.28 33 530 2.9 7.36 125 10.0 7.36 34 520 2.9 7.36 126 9.8 7.36 33 521 3.0 7.35 256 9.9 7.34 33 529 2.7 7.35 0 0.0 0.00 33 520 2.7 7.35 0 0.0 0.00 33 521 2.6 7.34 0 0.0 0.00 33 530 2.1 7.33 0 0.0 0.00 34 526 2.1 7.33 0 0.0 0.00 34 517 2.0 7.33 0 0.0 0.00 33 533 1.6 7.33 0 0.0 0.00 34 521 1.5 7.33 0 0.0 0.00 33 Sea-Tac Airport 3rd Runway - South Pond System 2 PLC Data - February 2007 Average pressure Sea-Tac Airport 3rd Runway - South Pond System 2 PLC Data - February 2007523 1.3 7.32 0 0.0 0.00 33

537 1.1 7.33 0 0.0 0.00 34 529 1.2 7.35 0 0.0 0.00 33 532 1.3 7.43 0 0.0 0.00 34 548 1.3 7.69 493 5.2 8.09 33 0 3 0.7 8.83 1 32

1,248

NTU min 1.1 NTU max 3.0

Flow weighted average turbidity 2.1

pH min 7.32 pH max 7.69

Flow Out (gpm)Tur Out

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

(NTU)pH Rec Press In (PSI)

518 1.8 6.91 126 9.8 6.91 34 528 1.6 6.91 126 9.9 6.91 34 526 1.7 6.91 0 9.9 6.91 34 523 1.6 6.91 125 9.8 6.91 34 523 1.7 6.91 0 9.7 6.91 34 526 1.6 6.91 127 9.9 6.91 34 525 1.4 6.91 920 9.1 6.91 34 0 107 1.2 6.91 2 0 8 1.2 6.91 1 0 0 1.3 6.91 1 0 0 1.5 6.93 1 0 0 2.1 6.95 1 0 9 1.0 6.92 0 19

1,548

NTU min 1.4 NTU max 1.8

Flow weighted average turbidity 1.6

pH min 6.91 Average pressure Sea-Tac Airport 3rd Runway - South Pond System 2 PLC Data - February 2007 Average pressurepH max 6.91

Flow Out (gpm)Tur Out

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

(NTU)pH Rec Press In (PSI)

476 3.4 5.51 84 2.8 5.56 20 477 2.4 5.46 478 9.5 5.50 33 480 2.6 5.48 357 9.6 5.49 34 477 2.7 5.47 594 10.2 5.48 33 479 2.8 5.48 705 11.1 5.50 33 467 3.2 5.50 693 13.6 5.54 33 464 3.4 5.61 682 14.1 5.58 33 462 3.3 5.73 796 14.5 5.70 33 95 3.8 5.62 459 7.5 5.91 12 454 3.8 5.66 969 15.5 5.65 31 461 3.4 5.61 1386 10.7 5.62 33 0 3041 7.8 5.93 32 0 0 2.6 6.26 1 0 218 17.1 6.16 1 457 1.8 5.85 822 27.1 5.94 35 436 3.8 4.61 1719 12.3 4.96 35 453 3.8 4.25 1061 19.9 4.25 34 475 3.0 4.25 434 15.6 4.25 35 480 2.8 4.25 611 19.3 4.25 36 460 3.1 4.26 826 19.0 4.27 35 459 3.2 4.26 751 15.5 4.27 34 484 2.1 4.26 229 12.8 4.26 35 497 2.4 4.27 344 12.9 4.27 32 523 1.8 4.29 225 11.6 4.27 33 496 1.6 4.29 232 10.7 4.29 32 502 1.7 4.32 231 9.2 4.32 32 500 5.8 4.35 845 15.2 4.37 32 0 169 5.5 4.38 30 495 1.0 4.44 120 1.0 4.42 29 501 1.5 4.47 116 9.5 4.49 32 504 1.5 4.55 232 9.9 4.58 32 505 1.4 4.61 112 9.2 4.62 32 506 1.4 4.62 116 9.1 4.63 32 506 1.4 4.65 115 9.9 4.66 32 507 1.4 4.68 118 9.8 4.68 32 507 1.4 4.68 118 9.7 4.66 33 510 1.3 4.64 0 0.0 0.00 33 501 1.5 4.52 116 9.6 4.48 32 469 1.5 4.34 6763 1.3 6.88 32 459 1.2 8.46 6337 1.2 8.68 33 510 1.5 8.02 119 10.4 7.85 31 Sea-Tac Airport 3rd Runway - South Pond System 2 PLC Data - February 2007472 1.9 7.19 614 4.8 7.12 30 30

33,957

NTU min 1.0 NTU max 5.8

Flow weighted average turbidity 2.3

pH min 4.34 pH max 8.46

Flow Out (gpm)Tur Out

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

(NTU)pH Rec Press In (PSI)

484 3.7 6.08 240 8.8 6.06 34 484 3.7 6.07 362 11.3 6.08 33 477 3.5 6.07 596 11.1 6.07 33 481 3.4 6.07 586 11.2 6.06 33 480 3.2 6.08 356 11.0 6.07 33 479 3.0 6.08 592 10.4 6.08 33 482 2.9 6.09 714 10.4 6.09 33 487 2.9 6.09 357 10.6 6.08 33 490 2.8 6.09 481 10.4 6.08 33 502 2.8 6.08 616 10.4 6.08 33 509 2.8 6.08 507 10.0 6.07 32 511 2.8 6.11 379 9.6 6.10 32 514 2.8 6.12 629 10.3 6.12 32 513 2.8 6.12 631 9.7 6.13 32 514 2.9 6.13 382 10.0 6.13 32 515 2.9 6.10 508 10.1 6.09 32 512 3.0 6.05 627 10.4 6.06 32 507 3.1 6.11 752 12.4 6.15 32 472 3.3 6.45 437 5.2 6.79 34 480 3.7 5.96 584 10.4 5.95 33 478 3.6 5.97 470 12.9 5.97 33 480 3.4 5.99 705 11.7 5.98 33 479 3.1 6.00 595 11.3 6.00 33 479 2.8 5.97 357 9.6 5.97 34 479 2.5 5.92 238 9.8 5.93 33 480 2.2 5.85 0 9.8 5.90 33 481 1.9 5.81 0 0.0 0.00 34 488 1.6 6.04 624 3.6 7.02 28 Sea-Tac Airport 3rd Runway - South Pond System 2 PLC Data - February 2007 Average pressure0 0 1.2 7.34 1

0 0 4.0 7.29 1 0 0 1.5 7.28 1 0 0 1.2 7.26 1 0 0 1.3 7.33 1 0 0 1.3 6.79 1 0 0 1.3 6.59 1 26

13,325

NTU min 1.6 NTU max 3.7

Flow weighted average turbidity 2.9

pH min 5.81 pH max 6.45

Flow Out (gpm)Tur Out

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

(NTU)pH Rec Press In (PSI)

0 143 15.3 3.42 6 466 0.8 3.09 11 0.6 3.08 33 466 1.0 3.10 0 0.0 0.00 34 468 1.0 3.11 0 0.0 0.00 34 468 0.9 3.12 0 0.0 0.00 34 468 1.0 3.13 0 0.0 0.00 34 468 1.0 3.14 0 0.0 0.00 34 469 1.0 3.15 0 0.0 0.00 34 470 1.0 3.16 0 0.0 0.00 34 468 1.4 3.14 228 26.2 3.19 34 471 1.1 3.11 0 0.0 0.00 34 472 1.0 3.09 0 0.0 0.00 34 473 1.2 3.07 0 0.0 0.00 34 472 1.2 3.05 0 0.0 0.00 34 475 1.2 3.28 0 0.0 0.00 34 476 1.2 6.53 0 0.0 0.00 34 476 1.4 6.49 0 0.0 0.00 34 478 1.6 6.42 0 0.0 0.00 34 477 1.8 6.37 515 4.9 5.93 33 468 2.5 3.99 42 3.0 3.99 32 32 System 2 PLC Data - February 2007

Average pressure Average pressure

Sea-Tac Airport 3rd Runway - South Pond939

NTU min 0.8 NTU max 2.5

Flow weighted average turbidity 1.2

pH min 3.05 pH max 6.53

Flow Out (gpm)Tur Out

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

(NTU)pH Rec Press In (PSI)

465 1.5 3.26 84 1.9 3.24 27 468 1.0 3.27 0 0.0 0.00 35 468 1.0 3.28 0 0.0 0.00 35 467 1.1 3.27 0 0.0 0.00 35 469 1.0 3.28 0 0.0 0.00 35 468 1.1 3.30 0 0.0 0.00 35 468 1.7 3.33 389 8.1 3.34 34 459 0.4 3.20 24 1.1 3.18 27 463 1.0 3.20 0 0.0 0.00 34 467 0.9 3.24 0 0.0 0.00 34 473 1.3 3.32 364 8.4 3.39 34 0 143 15.3 3.42 6 32

1,004

NTU min 0.4 NTU max 1.7

Flow weighted average turbidity 1.1

pH min 3.20 pH max 3.33 Sea-Tac Airport 3rd Runway - South Pond System 2 PLC Data - February 2007

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

(gpm)Tur Out

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

(NTU)pH Rec Press In (PSI)

458 2.2 4.06 12 1.4 4.03 32 461 2.3 4.07 0 0.0 0.00 34 462 2.5 4.09 0 0.0 0.00 34 463 3.0 4.11 0 0.0 0.00 34 462 3.0 4.14 345 9.9 4.18 34 449 2.2 4.21 450 3.7 4.31 35 471 3.5 3.97 377 7.5 3.97 33 460 3.6 3.98 229 9.8 3.97 34 457 3.7 3.98 458 9.6 3.98 34 461 3.6 3.99 461 9.8 3.98 34 459 3.6 4.00 346 10.0 3.99 35 460 3.5 4.00 462 9.5 4.00 35 458 3.5 4.00 344 9.2 4.00 34 459 3.5 4.01 227 9.7 4.01 35 462 3.5 4.02 349 9.4 4.02 34 461 3.5 4.03 346 9.8 4.03 34 461 3.4 4.05 346 9.8 4.05 34 459 3.4 4.06 345 9.6 4.06 35 462 3.3 4.07 232 9.6 4.06 35 462 3.3 4.07 468 9.6 4.07 34 463 3.3 4.07 351 9.8 4.07 35 464 3.2 4.08 347 9.4 4.07 35 463 3.1 4.10 346 9.1 4.10 35 461 2.8 4.17 464 9.9 4.18 35 449 2.6 4.27 375 20.7 4.42 34 464 2.8 4.05 125 10.6 3.97 33 462 2.8 4.06 0 9.4 4.08 34 461 2.6 4.06 116 9.4 4.06 35 464 2.7 4.07 0 0.0 0.00 34 463 2.7 4.08 0 0.0 0.00 34 465 2.4 4.10 0 0.0 0.00 34 465 2.4 4.12 0 0.0 0.00 34 467 2.6 4.14 0 0.0 0.00 34 467 2.3 4.15 0 0.0 0.00 34 467 2.0 4.17 0 0.0 0.00 34 469 1.9 4.20 0 0.0 0.00 34 468 1.6 4.23 0 0.0 0.00 34 466 1.4 4.31 430 3.8 4.55 35 466 1.2 4.84 135 11.3 4.83 34 464 1.7 5.03 1054 26.2 5.22 34 0 253 9.8 5.35 4 33

9,793

NTU min 1.2 Average pressureNTU max 3.7

Flow weighted average turbidity 2.9

pH min 3.97 pH max 5.03Press

Out (PSI)P

(PSI)

20 11 21 13 20 11 20 13 21 13 21 12 21 13 21 14 21 14 19 9 17 11 20 15 21 14 15 8 20 12

Press Out (PSI)P

(PSI)

20 11 19 11 16 12 16 13 16 14 18 1319 13

19 13 19 13 18 11 21 13 20 12

18 12

Press Out (PSI)P

(PSI)

20 10 20 11 21 11 20 11 21 11 21 11 22 10 25 9 25 9 26 9 19 12 1 -1 2 -2 2 -2 2 -2 2 -216 7

Press Out (PSI)P

(PSI)

21 10 21 11 24 9 22 10

Press Out (PSI)P

(PSI)

1 0 1 0 1 11 0

23 10 23 10 24 9 24 10 24 10 24 9 25 9 25 9 25 9 25 9 19 7 0 0 23 10 24 10 26 9 25 9 24 10 24 10 25 9 24 10 24 10 25 9 21 11 22 10 21 11 22 10 21 11 24 10 24 10 23 10 25 9 29 7 16 8 21 10 21 11 21 10 21 11 21 11 21 9Press

Out (PSI)P

(PSI)

1 0 16 7 22 10 22 10 23 9 22 10 12 5 20 9

Press Out (PSI)P

(PSI)

23 10 24 10 24 9 23 10 24 9 24 9 24 9 24 10 24 10 23 10 25 9 24 923 10

25 9 24 9 25 9 24 9 1 0 23 9

Press Out (PSI)P

(PSI)

24 10 25 9 25 9 25 9 25 9 25 9 24 10 1 1 1 0 1 0 1 0 1 0 1 -1 14 5Press

Out (PSI)P

(PSI)

15 5 25 8 25 9 25 8 24 9 24 9 23 10 23 10 10 2 22 9 23 10 22 10 0 1 0 1 28 7 26 9 26 8 28 7 28 8 26 9 26 8 28 7 23 9 25 8 23 9 24 8 24 8 24 6 20 9 23 9 24 8 24 8 24 8 24 8 24 8 24 9 24 9 24 8 24 8 24 9 22 919 11

22 8

Press Out (PSI)P

(PSI)

25 9 24 9 24 9 24 9 24 9 24 9 24 9 24 9 24 9 23 10 22 10 22 10 22 10 22 10 23 9 23 9 23 9 23 9 25 9 24 9 25 8 25 8 24 9 25 9 25 8 25 8 25 9 20 81 0

1 0 1 0 1 0 1 0 1 0 2 -1 19 7

Press Out (PSI)P

(PSI)

5 1 24 9 24 10 24 10 24 10 24 10 24 10 24 10 25 9 24 10 25 9 25 9 25 9 25 9 25 9 25 9 25 9 25 9 25 8 22 10 23 9Press

Out (PSI)P

(PSI)

19 8 24 11 25 10 24 11 25 10 25 10 25 9 19 8 24 10 25 9 24 10 5 1 23 9Press

Out (PSI)P

(PSI)

23 9 25 9 25 9 25 9 25 9 26 9 23 10 25 9 25 9 25 9 25 10 25 10 25 9 25 10 25 9 25 9 25 9 25 10 25 10 25 9 25 10 25 10 25 10 25 10 25 9 24 9 25 9 25 10 25 9 25 9 25 9 25 9 25 9 25 9 25 9 25 9 25 9 25 10 24 10 24 10 2 2 24 92/5/2007no ops 2/6/2007no ops 2/7/2007no ops 2/8/2007no ops 2/9/2007no ops 2/10/2007no ops 2/11/2007no ops 2/12/2007no ops 2/13/2007no ops 2/14/2007no ops 2/15/2007no ops

Date (mm/dd)Time

(HH:MM)Operator

Code Flow In (gal)Tur In

(NTU)pH In Flow Out (gal)

2/15 12:30 16 8565 2.2 5.15 0 2/15 12:15 16 9299 2.1 5.14 0 2/15 12:00 16 9186 2.4 5.14 0 2/15 11:45 16 9080 2.2 5.14 0 2/15 11:30 16 8317 2.2 5.14 0

count 5 4 1.25hours

DAILY SUMMARY: Gallons discharged#REF!

#REF!

Flow weighted average turbidity

2/16/2007no ops 2/17/2007no ops 2/18/2007no ops 2/19/2007no ops 2/20/2007no ops 2/21/2007no ops 2/22/2007no ops 2/23/2007no ops 2/24/2007no ops Sea-Tac Airport 3rd Runway - South Pond System 3 PLC Data - February 20072/25/2007no ops

Date (mm/dd)Time

(HH:MM)Operator

Code Flow In (gal)Tur In

(NTU)pH In Flow Out (gal)

2/26 17:30 0 9090 74.6 7.90 7135 2/26 17:15 0 9339 76.4 7.90 7388 2/26 17:00 0 9342 78.4 7.90 7399 2/26 16:45 0 9329 79.4 7.89 7416 2/26 16:30 0 9370 78.5 7.88 7388 2/26 16:15 0 9328 78.0 7.86 7412 2/26 16:00 0 9333 77.8 7.88 7420 2/26 15:45 0 9344 76.2 7.85 7385 2/26 15:30 0 9387 74.8 7.84 7401 2/26 15:15 0 9363 73.7 7.80 7420 2/26 15:00 0 9370 71.7 7.77 7432 2/26 14:45 0 9406 70.2 7.73 7411 2/26 14:30 0 9373 67.4 7.69 7446 2/26 14:15 0 9362 63.9 7.64 7458 2/26 14:00 0 9392 60.7 7.61 7440 2/26 13:45 0 9397 57.5 7.56 7438 2/26 13:30 0 9390 54.7 7.52 7465 2/26 13:15 0 9401 51.2 7.49 7487 2/26 13:00 0 9431 48.0 7.44 7459 2/26 12:45 0 9403 44.0 7.40 7489 2/26 12:30 0 9447 38.8 7.33 7501 2/26 12:15 0 9445 32.5 7.27 7522 2/26 12:00 0 9687 27.6 7.21 7502 2/26 11:45 0 9684 25.7 7.08 7374 2/26 11:30 0 1023820.8 6.85 7049 2/26 11:15 0 9721 18.5 6.76 8994

count 26 4 6.5hours

DAILY SUMMARY: Gallons discharged194,231

196,058

Flow weighted average turbidity

2/27/2007no ops System 3 PLC Data - February 2007 Sea-Tac Airport 3rd Runway - South Pond2/28/2007no opsFlow Out

(gpm)Tur Out

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

(NTU)pH Rec Press In (PSI)

0 0.0 0.00 5737 0.3 4.87 27 0 0.0 0.00 6123 0.3 4.87 27 0 0.0 0.00 6159 0.3 4.87 28 0 0.0 0.00 6085 0.3 4.87 29 0 0.0 0.00 5608 0.3 4.87 29 28

29,712

NTU min#REF! NTU max#REF!

Flow weighted average turbidity#REF!

pH min#REF! pH max#REF! Average pressure Sea-Tac Airport 3rd Runway - South Pond System 3 PLC Data - February 2007Flow Out

(gpm)Tur Out

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

(NTU)pH Rec Press In (PSI)

492 2.1 7.48 4 1.5 7.57 32 493 2.1 7.43 0 0.0 0.00 32 494 2.1 7.37 0 0.0 0.00 32 494 2.2 7.40 0 0.0 0.00 32 492 2.1 7.34 0 0.0 0.00 32 494 2.0 7.38 0 0.0 0.00 32 495 1.9 7.35 0 0.0 0.00 32 493 2.0 7.29 0 0.0 0.00 32 493 1.9 7.25 0 0.0 0.00 32 495 1.7 7.29 0 0.0 0.00 32 496 1.7 7.27 0 0.0 0.00 32 494 1.7 7.20 0 0.0 0.00 32 496 1.6 7.24 0 0.0 0.00 32 497 1.5 7.23 0 0.0 0.00 32 496 1.6 7.24 0 0.0 0.00 32 496 1.5 7.25 0 0.0 0.00 32 498 1.4 7.24 0 0.0 0.00 32 499 1.4 7.21 0 0.0 0.00 32 498 1.4 7.23 0 0.0 0.00 32 499 1.3 7.26 0 0.0 0.00 32 500 1.3 7.28 0 0.0 0.00 32 502 1.5 7.28 0 0.0 0.00 32 500 1.8 7.31 0 0.0 0.00 31 500 2.3 7.20 125 9.8 7.05 31 545 2.4 6.90 998 18.6 6.78 29 665 1.7 6.41 700 35.4 6.46 30 32

1,827

NTU min 1.3 NTU max 2.4

Flow weighted average turbidity 1.8

pH min 6.41 pH max 7.48 Average pressure System 3 PLC Data - February 2007 Sea-Tac Airport 3rd Runway - South PondPress

Out (PSI)P

(PSI)

21 6 21 6 21 7 20 9 3 26 17 11Press

Out (PSI)P

(PSI)

24 8 24 8 24 8 24 8 24 8 24 8 24 8 24 8 24 8 24 8 24 8 24 8 24 8 25 7 24 8 24 8 25 7 24 8 25 7 25 7 25 7 24 8 24 7 21 10 23 6 14 16 24 82/5/2007no ops 2/6/2007no ops 2/7/2007no ops

Date (mm/dd)Time

(HH:MM)Operator

Code Flow In (gal)Tur In

(NTU)pH In Flow Out (gal)
2/08 18:45 0 5759 51.7 7.27 4543 2/08 18:30 0 9333 52.8 7.27 7511 2/08 18:15 0 9104 54.2 7.27 6685 2/08 18:00 0 8730 55.9 7.27 6863 2/08 17:45 0 8729 57.9 7.27 6853 2/08 17:30 0 8589 61.4 7.28 6534 2/08 17:15 0 7373 63.0 7.28 6388 2/08 17:00 0 8153 67.6 7.28 6102 2/08 16:45 0 8044 69.0 7.27 6167 2/08 16:30 0 8269 66.9 7.25 6115 2/08 16:15 0 8281 57.9 7.17 6186 2/08 16:00 0 7662 49.5 6.58 2797 6062 count 12 4 3hours

DAILY SUMMARY: Gallons discharged78,806

82,413

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

(gpm)Tur Out

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

(NTU)pH Rec Press In (PSI)
505 0.5 7.20 129 1.0 7.21 32 501 0.4 7.20 0 0.0 0.00 33 486 0.5 7.20 449 1.4 7.20 34 457 0.4 7.20 0 0.0 0.00 36 457 0.4 7.19 0 0.0 0.00 36 435 0.5 7.18 0 0.0 0.00 36 426 0.3 7.17 0 0.0 0.00 39 407 0.4 7.16 0 0.0 0.00 37 411 0.4 7.14 0 0.0 0.00 38 408 0.4 7.12 0 0.0 0.00 37 412 0.4 7.03 0 0.0 0.00 37 414 0.4 6.83 3029 1.2 6.10 36 443 36

3,607

NTU min 0.3 NTU max 0.5

Flow weighted average turbidity 0.4

pH min 6.83 pH max 7.20 Sea-Tac Airport 3rd Runway - South Pond System 4 PLC Data - February 2007

Average pressurePress

Out (PSI)P

(PSI)
18 14 19 14 19 15 23 13 23 13 22 14 27 12 25 12 25 13 25 12 25 12 25 11 23 13