SAN LUIS FIELD DIVISION PACHECO PUMPING PLANT DAILY AVERAGE'S SUMMARY ID MONTH YEAR HOUR EC H2O TURB FLUOR DAY MIN MICRO TEMP NTUS FL MHOS DEG C MG/L UNITS ---------------------------------------------------------------- 310 2 9 1999 2400 432 12.6 1.1 40 310 2 10 1999 2400 438 12.6 0.9 40 310 2 11 1999 2400 433 12.6 1.1 42 310 2 12 1999 2400 435 12.6 1.0 42 310 2 13 1999 2400 435 12.5 1.0 42 310 2 14 1999 2400 434 12.3 1.1 40 310 2 15 1999 2400 434 12.3 1.1 40 310 2 16 1999 2400 433 12.3 1.1 41 310 2 17 1999 2400 425 12.6 0.9 39 310 2 18 1999 2400 426 12.4 0.9 37 310 2 19 1999 2400 431 12.3 1.1 38 310 2 20 1999 2400 434 12.4 1.0 37 310 2 21 1999 2400 434 12.4 0.9 36 310 2 22 1999 2400 431 12.3 1.0 36 310 2 23 1999 2400 431 12.3 1.1 36 310 2 24 1999 2400 432 12.4 1.0 35 310 2 25 1999 2400 428 12.4 0.9 35 310 2 26 1999 2400 430 12.4 0.7 35 310 2 27 1999 2400 433 12.4 0.6 37 310 2 28 1999 2400 422 12.5 0.6 37 310 3 1 1999 2400 422 12.7 0.6 36 310 3 2 1999 2400 427 12.8 0.5 35 310 3 3 1999 2400 427 12.8 0.6 34 310 3 4 1999 2400 427 12.8 0.6 37 310 3 5 1999 2400 429 12.7 0.6 39 310 3 6 1999 2400 429 12.8 0.6 37 310 3 7 1999 2400 430 12.8 0.6 40 310 3 8 1999 2400 432 12.7 0.6 43 310 3 9 1999 2400 426 12.7 0.6 40 310 3 10 1999 2400 433 12.7 0.7 41 310 3 11 1999 2400 443 12.7 0.6 42 310 3 12 1999 2400 435 12.4 0.6 43 310 3 13 1999 2400 433 12.3 0.6 41 310 3 14 1999 2400 432 12.3 0.6 39 310 3 15 1999 2400 433 12.3 0.6 40 310 3 16 1999 2400 434 12.3 0.6 42 310 3 17 1999 2400 434 12.4 0.7 40 310 3 18 1999 2400 448 13.7 1.0 34 310 3 19 1999 2400 461 12.6 1.0 35 310 3 20 1999 2400 459 12.5 1.0 34 310 3 21 1999 2400 457 12.6 1.0 36 310 3 22 1999 2400 456 12.6 1.0 36 310 3 23 1999 2400 458 12.6 1.0 35 310 3 24 1999 2400 462 12.6 1.0 33 310 3 25 1999 2400 463 12.6 1.0 33 310 3 26 1999 2400 420 12.6 0.8 38 310 3 27 1999 2400 399 12.5 0.6 38 310 3 28 1999 2400 400 12.5 0.6 39 Page 1 SAN LUIS FIELD DIVISION PACHECO PUMPING PLANT DAILY AVERAGE'S SUMMARY ID MONTH YEAR HOUR EC H2O TURB FLUOR DAY MIN MICRO TEMP NTUS FL MHOS DEG C MG/L UNITS ---------------------------------------------------------------- 310 3 29 1999 2400 400 12.5 0.7 40 310 3 30 1999 2400 401 12.6 0.6 39 310 3 31 1999 2400 401 12.6 0.6 38 310 4 1 1999 2400 401 12.6 0.6 40 310 4 2 1999 2400 391 12.6 0.7 41 310 4 3 1999 2400 377 12.6 0.6 40 310 4 4 1999 2400 377 12.4 0.7 42 310 4 5 1999 2400 377 12.4 0.6 40 310 4 6 1999 2400 377 12.3 0.7 41 310 4 7 1999 2400 377 12.3 0.7 43 310 4 8 1999 2400 411 12.4 0.8 41 310 4 9 1999 2400 433 12.3 0.8 45 310 4 10 1999 2400 432 12.2 0.8 45 310 4 11 1999 2400 432 12.2 0.8 43 310 4 12 1999 2400 432 12.3 0.9 43 310 4 13 1999 2400 439 12.8 1.1 42 310 4 14 1999 2400 429 13.1 1.1 41 310 4 15 1999 2400 412 12.7 0.8 38 310 4 16 1999 2400 413 12.8 0.8 37 310 4 17 1999 2400 412 12.8 0.8 35 310 4 18 1999 2400 412 12.9 0.7 34 310 4 19 1999 2400 411 12.9 0.7 33 310 4 20 1999 2400 412 12.8 0.7 33 310 4 21 1999 2400 443 12.6 0.7 33 310 4 22 1999 2400 450 12.6 0.7 34 310 4 23 1999 2400 450 12.6 0.8 35 310 4 24 1999 2400 449 12.6 0.7 33 310 4 25 1999 2400 448 12.6 0.7 33 310 4 26 1999 2400 448 12.7 0.8 36 310 4 27 1999 2400 445 12.7 0.8 35 310 4 28 1999 2400 445 12.7 0.7 34 310 4 29 1999 2400 444 12.8 0.8 38 310 4 30 1999 2400 444 12.9 0.9 38 310 5 1 1999 2400 444 12.8 0.8 33 310 5 2 1999 2400 444 12.8 0.8 33 310 5 3 1999 2400 444 12.9 0.8 37 310 5 4 1999 2400 444 13.0 0.9 41 310 5 5 1999 2400 445 13.1 0.9 45 310 5 6 1999 2400 445 13.2 1.0 45 310 5 7 1999 2400 439 13.0 0.7 34 310 5 8 1999 2400 441 13.1 0.7 36 310 5 9 1999 2400 441 13.2 0.8 40 310 5 10 1999 2400 442 13.2 0.8 42 310 5 11 1999 2400 443 13.3 0.8 39 310 5 12 1999 2400 442 13.4 0.8 35 310 5 13 1999 2400 439 13.3 0.8 34 310 5 14 1999 2400 441 13.4 0.7 36 310 5 15 1999 2400 441 13.5 0.7 35 Page 2 SAN LUIS FIELD DIVISION PACHECO PUMPING PLANT DAILY AVERAGE'S SUMMARY ID MONTH YEAR HOUR EC H2O TURB FLUOR DAY MIN MICRO TEMP NTUS FL MHOS DEG C MG/L UNITS ---------------------------------------------------------------- 310 5 16 1999 2400 441 13.6 0.9 37 310 5 17 1999 2400 441 13.5 1.0 34 310 5 18 1999 2400 441 13.6 1.0 33 310 5 19 1999 2400 428 13.5 1.6 32 310 5 20 1999 2400 428 13.5 1.9 31 310 5 21 1999 2400 424 13.8 2.0 33 310 5 22 1999 2400 426 13.9 2.2 32 310 5 23 1999 2400 430 13.7 2.3 30 310 5 24 1999 2400 426 13.9 2.2 31 310 5 25 1999 2400 425 14.0 2.2 32 310 5 26 1999 2400 425 14.0 2.2 32 310 5 27 1999 2400 435 13.9 1.7 32 310 5 28 1999 2400 444 14.2 1.4 31 310 5 29 1999 2400 444 14.1 1.6 32 310 5 30 1999 2400 445 14.6 1.7 33 310 5 31 1999 2400 445 14.4 1.7 32 310 6 1 1999 2400 446 14.6 1.9 32 310 6 2 1999 2400 446 14.7 1.8 33 310 6 3 1999 2400 441 14.8 2.0 36 310 6 4 1999 2400 440 14.8 1.8 34 310 6 5 1999 2400 433 14.7 1.7 33 310 6 6 1999 2400 427 14.8 1.6 32 310 6 7 1999 2400 427 14.9 1.6 32 310 6 8 1999 2400 428 14.9 1.6 33 310 6 9 1999 2400 430 15.0 1.6 34 310 6 10 1999 2400 440 15.1 2.2 33 310 6 11 1999 2400 445 15.1 2.5 33 310 6 12 1999 2400 445 15.1 2.6 33 310 6 13 1999 2400 445 15.2 2.6 35 310 6 14 1999 2400 444 15.4 2.7 35 310 6 15 1999 2400 445 15.2 2.6 32 310 6 16 1999 2400 443 15.5 2.5 35 310 6 17 1999 2400 433 15.6 2.6 36 310 6 18 1999 2400 421 15.6 1.8 33 310 6 19 1999 2400 423 16.1 1.9 33 310 6 20 1999 2400 428 16.3 1.9 34 310 6 21 1999 2400 427 16.1 1.9 31 310 6 22 1999 2400 425 16.3 2.2 37 310 6 23 1999 2400 417 15.5 2.4 41 310 6 24 1999 2400 414 16.1 2.8 44 310 6 25 1999 2400 414 16.3 3.0 47 310 6 26 1999 2400 415 16.1 2.8 47 310 6 27 1999 2400 415 16.4 3.3 54 310 6 28 1999 2400 415 16.3 3.1 51 310 6 29 1999 2400 407 16.6 3.0 54 310 6 30 1999 2400 396 17.0 2.6 52 310 7 1 1999 2400 396 17.1 2.2 51 310 7 2 1999 2400 396 17.0 2.2 49 Page 3 SAN LUIS FIELD DIVISION PACHECO PUMPING PLANT DAILY AVERAGE'S SUMMARY ID MONTH YEAR HOUR EC H2O TURB FLUOR DAY MIN MICRO TEMP NTUS FL MHOS DEG C MG/L UNITS ---------------------------------------------------------------- 310 7 3 1999 2400 396 17.7 2.3 64 310 7 4 1999 2400 396 17.9 2.3 82 310 7 5 1999 2400 398 17.4 2.4 73 310 7 6 1999 2400 397 17.6 2.4 78 310 7 7 1999 2400 414 17.9 2.2 78 310 7 8 1999 2400 440 17.5 1.9 62 310 7 9 1999 2400 440 17.8 1.9 63 310 7 10 1999 2400 440 18.0 1.9 66 310 7 11 1999 2400 440 18.1 1.9 73 310 7 12 1999 2400 440 18.3 1.9 95 310 7 13 1999 2400 420 18.6 2.5 89 310 7 14 1999 2400 395 18.9 2.0 60 310 7 15 1999 2400 395 18.8 2.1 56 310 7 16 1999 2400 394 19.3 2.1 64 310 7 17 1999 2400 395 19.6 2.2 88 310 7 18 1999 2400 396 19.8 2.2 119 310 7 19 1999 2400 394 19.9 2.2 140 310 7 20 1999 2400 397 20.3 2.5 180 310 7 21 1999 2400 399 20.8 2.5 179 310 7 22 1999 2400 412 20.1 3.6 105 310 7 23 1999 2400 421 19.8 5.4 76 310 7 24 1999 2400 423 19.8 5.4 75 310 7 25 1999 2400 425 19.8 5.3 74 310 7 26 1999 2400 424 19.9 5.9 71 310 7 27 1999 2400 428 19.8 5.5 73 310 7 28 1999 2400 442 19.5 4.8 71 310 7 29 1999 2400 442 19.5 5.5 80 310 7 30 1999 2400 438 19.5 5.9 83 310 7 31 1999 2400 433 19.5 6.4 81 310 8 1 1999 2400 428 19.4 6.6 86 310 8 2 1999 2400 427 19.4 7.0 104 310 8 3 1999 2400 439 19.5 7.1 145 310 8 4 1999 2400 455 19.6 8.0 195 310 8 5 1999 2400 436 19.7 7.8 126 310 8 6 1999 2400 430 19.7 7.8 70 310 8 7 1999 2400 434 19.6 7.6 69 310 8 8 1999 2400 434 19.7 7.1 69 310 8 9 1999 2400 437 19.6 7.2 82 310 8 10 1999 2400 435 19.7 6.8 109 310 8 11 1999 2400 426 19.8 5.8 122 310 8 12 1999 2400 418 19.7 4.8 82 310 8 13 1999 2400 413 19.7 5.1 88 310 8 14 1999 2400 413 19.7 5.6 127 310 8 15 1999 2400 412 19.9 6.0 242 310 8 16 1999 2400 414 19.8 6.4 465 310 8 17 1999 2400 415 19.9 5.3 298 310 8 18 1999 2400 417 20.0 4.4 106 310 8 19 1999 2400 420 19.9 5.2 126 Page 4 SAN LUIS FIELD DIVISION PACHECO PUMPING PLANT DAILY AVERAGE'S SUMMARY ID MONTH YEAR HOUR EC H2O TURB FLUOR DAY MIN MICRO TEMP NTUS FL MHOS DEG C MG/L UNITS ---------------------------------------------------------------- 310 8 20 1999 2400 434 20.5 3.9 140 310 8 21 1999 2400 438 20.8 5.1 141 310 8 22 1999 2400 440 21.3 5.2 200 310 8 23 1999 2400 424 20.8 4.7 198 310 8 24 1999 2400 419 20.2 3.7 75 310 8 25 1999 2400 413 20.5 3.6 74 310 8 26 1999 2400 413 20.7 3.5 73 310 8 27 1999 2400 416 20.6 3.3 71 310 8 28 1999 2400 416 20.5 3.3 78 310 8 29 1999 2400 424 21.2 4.8 91 310 8 30 1999 2400 427 20.8 3.9 65 310 8 31 1999 2400 419 20.8 2.5 52 310 9 1 1999 2400 417 20.6 2.7 57 310 9 2 1999 2400 414 20.6 2.7 57 310 9 3 1999 2400 415 20.7 2.4 61 310 9 4 1999 2400 422 20.6 4.0 62 310 9 5 1999 2400 423 20.8 4.1 67 310 9 6 1999 2400 422 21.0 4.1 72 310 9 7 1999 2400 412 21.0 3.1 59 310 9 8 1999 2400 409 20.9 2.5 50 310 9 9 1999 2400 403 21.0 2.5 58 310 9 10 1999 2400 397 21.1 3.1 78 310 9 11 1999 2400 395 21.0 3.4 92 310 9 12 1999 2400 395 21.0 3.6 95 310 9 13 1999 2400 406 21.0 3.4 89 310 9 14 1999 2400 413 21.6 2.7 73 310 9 15 1999 2400 409 21.1 1.8 59 310 9 16 1999 2400 403 21.0 1.5 63 310 9 17 1999 2400 408 21.3 1.5 56 310 9 18 1999 2400 404 21.3 1.5 62 310 9 19 1999 2400 407 21.1 1.5 63 310 9 20 1999 2400 422 21.5 1.5 55 310 9 21 1999 2400 413 20.7 2.9 58 310 9 22 1999 2400 416 20.8 3.7 53 310 9 23 1999 2400 417 20.8 3.8 53 310 9 24 1999 2400 422 20.8 2.4 49 310 9 25 1999 2400 422 20.8 2.3 52 310 9 26 1999 2400 419 20.9 2.4 54 310 9 27 1999 2400 418 21.1 2.5 55 310 9 28 1999 2400 413 21.0 3.3 47 310 9 29 1999 2400 409 21.1 3.3 45 310 9 30 1999 2400 412 21.2 3.3 48 310 10 1 1999 2400 417 21.1 3.4 54 310 10 2 1999 2400 416 20.8 3.3 50 310 10 3 1999 2400 411 20.8 3.7 57 310 10 4 1999 2400 413 20.8 3.4 76 310 10 5 1999 2400 419 20.6 2.8 52 310 10 6 1999 2400 424 20.5 2.6 39 Page 5 SAN LUIS FIELD DIVISION PACHECO PUMPING PLANT DAILY AVERAGE'S SUMMARY ID MONTH YEAR HOUR EC H2O TURB FLUOR DAY MIN MICRO TEMP NTUS FL MHOS DEG C MG/L UNITS ---------------------------------------------------------------- 310 10 7 1999 2400 425 20.4 2.6 39 310 10 8 1999 2400 429 20.7 2.6 46 310 10 9 1999 2400 431 20.7 2.7 46 310 10 10 1999 2400 428 20.6 2.6 45 310 10 11 1999 2400 425 20.7 2.6 56 310 10 12 1999 2400 424 20.7 2.6 68 310 10 13 1999 2400 418 20.8 2.1 44 310 10 14 1999 2400 419 20.7 2.1 36 310 10 15 1999 2400 420 20.7 2.1 40 310 10 16 1999 2400 423 20.7 2.3 42 310 10 17 1999 2400 420 20.7 2.2 42 310 10 18 1999 2400 416 20.7 2.2 55 310 10 19 1999 2400 416 20.7 2.4 87 310 10 20 1999 2400 432 20.5 2.2 64 310 10 21 1999 2400 446 20.4 1.9 50 310 10 22 1999 2400 456 20.4 2.0 50 310 10 23 1999 2400 459 20.3 2.1 55 310 10 24 1999 2400 456 20.2 2.1 61 310 10 25 1999 2400 457 20.1 2.1 66 310 10 26 1999 2400 418 20.1 2.0 51 310 10 27 1999 2400 382 20.1 2.0 38 310 10 28 1999 2400 -6999 -6999.0 2.1 36 310 10 29 1999 2400 382 19.9 2.0 34 310 10 30 1999 2400 382 19.8 2.8 35 310 10 31 1999 2400 382 19.8 3.0 40 310 11 1 1999 2400 381 19.8 2.9 40 310 11 2 1999 2400 384 19.8 3.0 42 310 11 3 1999 2400 382 19.7 3.0 45 310 11 4 1999 2400 411 19.7 2.6 39 310 11 5 1999 2400 441 19.8 2.4 31 310 11 6 1999 2400 441 19.8 2.3 31 310 11 7 1999 2400 441 19.6 2.8 32 310 11 8 1999 2400 445 19.5 3.1 32 310 11 9 1999 2400 438 19.4 3.1 32 310 11 10 1999 2400 449 19.1 2.8 33 310 11 11 1999 2400 461 18.9 2.5 30 310 11 12 1999 2400 456 18.8 2.4 30 310 11 13 1999 2400 455 18.8 2.5 32 310 11 14 1999 2400 460 18.8 2.5 33 310 11 15 1999 2400 467 19.1 2.8 29 310 11 16 1999 2400 465 18.6 2.7 30 310 11 17 1999 2400 465 18.4 2.1 31 310 11 18 1999 2400 466 18.3 2.1 30 310 11 19 1999 2400 467 18.2 2.4 31 310 11 20 1999 2400 467 18.1 2.3 31 310 11 21 1999 2400 467 17.9 2.3 31 310 11 22 1999 2400 467 17.7 2.3 32 310 11 23 1999 2400 467 17.4 2.5 33 Page 6 SAN LUIS FIELD DIVISION PACHECO PUMPING PLANT DAILY AVERAGE'S SUMMARY ID MONTH YEAR HOUR EC H2O TURB FLUOR DAY MIN MICRO TEMP NTUS FL MHOS DEG C MG/L UNITS ---------------------------------------------------------------- 310 11 24 1999 2400 468 17.3 2.6 34 310 11 25 1999 2400 465 17.1 2.7 36 310 11 26 1999 2400 467 17.1 2.7 37 310 11 27 1999 2400 468 16.8 2.7 37 310 11 28 1999 2400 469 16.7 2.7 38 310 11 29 1999 2400 464 16.6 2.8 39 310 11 30 1999 2400 464 16.6 2.7 40 310 12 1 1999 2400 466 16.3 2.8 42 310 12 2 1999 2400 463 16.3 2.6 44 310 12 3 1999 2400 462 16.2 2.1 39 310 12 4 1999 2400 462 16.1 2.0 32 310 12 5 1999 2400 461 15.9 2.2 31 310 12 6 1999 2400 466 15.8 2.4 31 310 12 7 1999 2400 469 15.6 2.6 32 310 12 8 1999 2400 471 15.4 2.4 33 310 12 9 1999 2400 469 15.3 2.8 35 310 12 10 1999 2400 477 15.1 2.7 34 310 12 11 1999 2400 473 15.0 2.3 33 310 12 12 1999 2400 481 14.9 2.0 33 310 12 13 1999 2400 478 14.9 2.0 33 310 12 14 1999 2400 481 14.7 2.0 34 310 12 15 1999 2400 444 14.7 1.9 35 310 12 16 1999 2400 433 14.8 1.9 35 310 12 17 1999 2400 428 14.8 1.9 35 310 12 18 1999 2400 427 14.7 1.9 37 310 12 19 1999 2400 426 14.7 1.9 38 310 12 20 1999 2400 428 14.7 2.1 39 310 12 21 1999 2400 436 14.7 1.9 39 310 12 22 1999 2400 433 14.7 1.8 38 310 12 23 1999 2400 433 14.7 1.8 39 310 12 24 1999 2400 431 14.6 1.9 38 310 12 25 1999 2400 433 14.5 2.0 37 310 12 26 1999 2400 431 14.4 2.0 37 310 12 27 1999 2400 435 14.4 2.0 37 310 12 28 1999 2400 431 14.3 1.9 38 310 12 29 1999 2400 446 13.8 1.9 36 310 12 30 1999 2400 461 13.4 1.7 34 310 12 31 1999 2400 467 13.4 1.7 32 Page 7