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 1 1 2003 0 573 12.6 5.2 36 310 1 2 2003 0 574 12.6 4.6 36 310 1 3 2003 0 576 12.5 4.6 37 310 1 4 2003 0 578 12.4 4.4 37 310 1 5 2003 0 578 12.3 4.5 38 310 1 6 2003 0 580 12.2 4.6 39 310 1 7 2003 0 584 12.2 3.8 39 310 1 8 2003 0 583 12.1 3.2 39 310 1 9 2003 0 592 12.2 2.9 38 310 1 10 2003 0 606 12.1 3.0 38 310 1 11 2003 0 606 12.1 3.4 41 310 1 12 2003 0 608 12.2 3.1 40 310 1 13 2003 0 604 12.2 3.0 40 310 1 14 2003 0 598 12.1 3.4 41 310 1 15 2003 0 594 12.1 3.5 42 310 1 16 2003 0 604 12.1 3.4 43 310 1 17 2003 0 624 12.1 3.0 42 310 1 18 2003 0 623 12.0 3.3 44 310 1 19 2003 0 621 12.1 3.1 43 310 1 20 2003 0 620 12.0 3.2 44 310 1 21 2003 0 624 12.0 3.5 44 310 1 22 2003 0 629 11.9 3.1 46 310 1 23 2003 0 631 11.9 3.1 44 310 1 24 2003 0 625 11.9 3.5 43 310 1 25 2003 0 599 11.9 3.6 43 310 1 26 2003 0 565 11.9 3.3 42 310 1 27 2003 0 564 11.8 3.5 43 310 1 28 2003 0 563 11.8 3.5 43 310 1 29 2003 0 560 11.9 3.6 43 310 1 30 2003 0 557 11.9 3.5 44 310 1 31 2003 0 561 11.9 3.2 43 310 2 1 2003 0 559 12.0 3.4 43 310 2 2 2003 0 558 12.0 3.3 43 310 2 3 2003 0 555 11.9 3.4 44 310 2 4 2003 0 555 11.9 3.2 44 310 2 5 2003 0 552 11.9 3.2 45 310 2 6 2003 0 549 11.9 3.2 46 310 2 7 2003 0 549 11.8 3.8 48 310 2 8 2003 0 560 11.9 3.3 45 310 2 9 2003 0 564 11.8 3.0 46 310 2 10 2003 0 568 11.8 3.0 47 310 2 11 2003 0 566 11.7 3.1 47 310 2 12 2003 0 563 11.7 3.1 47 310 2 13 2003 0 555 11.7 3.1 47 310 2 14 2003 0 555 11.7 3.0 45 310 2 15 2003 0 546 11.7 2.8 44 310 2 16 2003 0 538 11.7 2.8 44 310 2 17 2003 0 532 11.7 2.8 44 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 2 18 2003 0 533 11.7 2.8 44 310 2 19 2003 0 533 11.7 2.9 44 310 2 20 2003 0 494 11.8 2.8 45 310 2 21 2003 0 472 11.8 2.7 44 310 2 22 2003 0 474 11.7 2.6 44 310 2 23 2003 0 472 11.7 2.5 44 310 2 24 2003 0 471 11.8 2.5 44 310 2 25 2003 0 471 11.9 2.4 44 310 2 26 2003 0 468 11.9 2.4 43 310 2 27 2003 0 473 11.8 2.3 43 310 2 28 2003 0 494 11.8 2.7 44 310 3 1 2003 0 508 11.7 2.5 44 310 3 2 2003 0 508 11.7 2.5 43 310 3 3 2003 0 514 11.8 2.5 43 310 3 4 2003 0 508 11.9 2.5 44 310 3 5 2003 0 505 11.8 2.4 44 310 3 6 2003 0 498 11.8 2.5 43 310 3 7 2003 0 494 11.9 2.5 44 310 3 8 2003 0 499 11.9 2.4 42 310 3 9 2003 0 484 12.1 1.4 42 310 3 10 2003 0 480 12.4 1.5 42 310 3 11 2003 0 488 12.4 2.1 42 310 3 12 2003 0 516 12.1 2.4 41 310 3 13 2003 0 521 12.0 2.4 41 310 3 14 2003 0 519 12.0 2.3 41 310 3 15 2003 0 519 12.0 2.3 41 310 3 16 2003 0 507 12.3 2.3 42 310 3 17 2003 0 510 12.1 2.3 42 310 3 18 2003 0 513 12.0 2.3 41 310 3 19 2003 0 502 12.2 2.3 42 310 3 20 2003 0 514 12.2 2.2 42 310 3 21 2003 0 522 12.1 2.1 41 310 3 22 2003 0 515 12.2 2.1 42 310 3 23 2003 0 522 12.2 2.1 41 310 3 24 2003 0 519 12.2 2.1 41 310 3 25 2003 0 502 12.4 2.2 42 310 3 26 2003 0 498 12.4 2.2 41 310 3 27 2003 0 501 12.5 2.2 41 310 3 28 2003 0 499 12.3 2.3 41 310 3 29 2003 0 495 12.5 2.2 41 310 3 30 2003 0 497 12.4 2.2 41 310 3 31 2003 0 494 12.6 2.2 41 310 4 1 2003 0 497 12.5 2.2 41 310 4 2 2003 0 506 12.4 2.3 41 310 4 3 2003 0 498 12.6 2.2 41 310 4 4 2003 0 505 12.5 2.3 42 310 4 5 2003 0 503 12.6 2.2 41 310 4 6 2003 0 498 12.6 2.2 41 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 4 7 2003 0 500 12.5 2.2 41 310 4 8 2003 0 496 12.8 2.2 41 310 4 9 2003 0 493 12.6 1.9 41 310 4 10 2003 0 493 12.6 1.7 40 310 4 11 2003 0 501 12.6 1.7 40 310 4 12 2003 0 494 12.8 1.7 40 310 4 13 2003 0 492 12.8 1.7 40 310 4 14 2003 0 492 12.9 1.7 43 310 4 15 2003 0 496 12.6 1.8 41 310 4 16 2003 0 497 12.7 1.7 42 310 4 17 2003 0 498 12.9 1.5 41 310 4 18 2003 0 504 12.8 1.4 42 310 4 19 2003 0 506 12.7 1.5 42 310 4 20 2003 0 505 13.0 1.4 41 310 4 21 2003 0 504 12.8 1.4 42 310 4 22 2003 0 509 12.7 1.5 41 310 4 23 2003 0 506 12.9 1.5 41 310 4 24 2003 0 512 12.9 1.4 41 310 4 25 2003 0 509 12.9 1.3 40 310 4 26 2003 0 508 13.0 1.3 12 310 4 27 2003 0 507 12.9 1.4 13 310 4 28 2003 0 510 12.9 1.4 13 310 4 29 2003 0 512 12.9 1.4 12 310 4 30 2003 0 507 13.1 1.4 12 310 5 1 2003 0 508 13.0 1.5 12 310 5 2 2003 0 514 13.0 1.5 12 310 5 3 2003 0 515 12.9 1.5 13 310 5 4 2003 0 516 13.3 1.6 13 310 5 5 2003 0 511 13.0 1.5 13 310 5 6 2003 0 507 13.3 1.3 26 310 5 7 2003 0 501 13.1 1.3 40 310 5 8 2003 0 508 13.3 1.3 39 310 5 9 2003 0 507 13.2 1.3 39 310 5 10 2003 0 508 13.3 1.4 39 310 5 11 2003 0 507 13.2 1.5 39 310 5 12 2003 0 503 13.4 1.5 38 310 5 13 2003 0 506 13.3 1.5 38 310 5 14 2003 0 516 13.3 1.3 38 310 5 15 2003 0 534 13.1 1.1 38 310 5 16 2003 0 540 13.3 1.3 38 310 5 17 2003 0 546 13.6 1.5 36 310 5 18 2003 0 547 13.6 1.5 36 310 5 19 2003 0 547 13.5 1.5 37 310 5 20 2003 0 541 13.6 1.5 36 310 5 21 2003 0 554 13.7 1.5 36 310 5 22 2003 0 503 13.7 1.4 35 310 5 23 2003 0 477 13.7 1.3 35 310 5 24 2003 0 477 13.7 1.4 35 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 5 25 2003 0 476 13.7 1.5 35 310 5 26 2003 0 474 14.0 1.6 34 310 5 27 2003 0 476 13.9 1.8 36 310 5 28 2003 0 506 13.8 1.8 35 310 5 29 2003 0 532 14.1 1.6 34 310 5 30 2003 0 526 14.0 1.7 34 310 5 31 2003 0 526 14.3 1.7 34 310 6 1 2003 0 520 13.9 1.8 35 310 6 2 2003 0 524 14.2 1.9 34 310 6 3 2003 0 519 14.2 1.8 34 310 6 4 2003 0 517 14.1 1.7 33 310 6 5 2003 0 517 14.3 1.7 33 310 6 6 2003 0 514 14.4 1.8 33 310 6 7 2003 0 514 14.6 2.1 34 310 6 8 2003 0 512 14.6 2.5 34 310 6 9 2003 0 515 14.7 2.6 34 310 6 10 2003 0 502 14.6 2.6 35 310 6 11 2003 0 489 15.1 2.2 35 310 6 12 2003 0 492 15.3 2.3 34 310 6 13 2003 0 490 15.6 2.1 34 310 6 14 2003 0 485 15.7 2.4 34 310 6 15 2003 0 483 15.9 2.2 34 310 6 16 2003 0 485 15.7 2.8 35 310 6 17 2003 0 501 15.8 2.9 36 310 6 18 2003 0 503 15.8 3.0 36 310 6 19 2003 0 496 16.0 2.1 34 310 6 20 2003 0 488 16.2 2.3 35 310 6 21 2003 0 484 16.2 2.9 36 310 6 22 2003 0 482 16.3 3.0 37 310 6 23 2003 0 481 16.3 3.0 38 310 6 24 2003 0 493 16.4 2.7 37 310 6 25 2003 0 504 16.4 2.6 36 310 6 26 2003 0 501 16.6 2.3 37 310 6 27 2003 0 500 16.7 2.3 35 310 6 28 2003 0 501 16.7 2.6 34 310 6 29 2003 0 498 16.6 2.6 34 310 6 30 2003 0 501 16.6 2.6 34 310 7 1 2003 0 502 16.8 2.4 34 310 7 2 2003 0 510 16.7 2.4 32 310 7 3 2003 0 506 16.8 2.7 33 310 7 4 2003 0 507 16.8 3.0 33 310 7 5 2003 0 507 16.8 3.0 33 310 7 6 2003 0 509 16.8 2.3 32 310 7 7 2003 0 506 16.7 2.3 33 310 7 8 2003 0 514 16.9 2.5 34 310 7 9 2003 0 518 17.0 2.7 36 310 7 10 2003 0 521 16.9 2.8 37 310 7 11 2003 0 520 16.9 2.6 37 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 7 12 2003 0 521 17.1 2.7 38 310 7 13 2003 0 520 17.1 2.9 38 310 7 14 2003 0 520 17.1 2.9 37 310 7 15 2003 0 516 17.1 2.8 36 310 7 16 2003 0 496 17.1 2.1 34 310 7 17 2003 0 487 17.3 2.7 35 310 7 18 2003 0 472 17.0 2.7 35 310 7 19 2003 0 472 17.2 2.3 33 310 7 20 2003 0 473 17.2 2.7 34 310 7 21 2003 0 473 17.3 2.7 34 310 7 22 2003 0 510 17.2 2.8 34 310 7 23 2003 0 547 17.4 2.4 34 310 7 24 2003 0 548 17.4 2.4 34 310 7 25 2003 0 548 17.5 2.4 34 310 7 26 2003 0 547 17.5 2.7 35 310 7 27 2003 0 545 17.8 2.8 37 310 7 28 2003 0 544 17.6 2.7 38 310 7 29 2003 0 537 17.9 3.1 40 310 7 30 2003 0 515 17.9 3.3 41 310 7 31 2003 0 500 18.1 3.2 42 310 8 1 2003 0 500 18.2 3.4 46 310 8 2 2003 0 500 18.3 3.4 48 310 8 3 2003 0 494 18.2 3.3 48 310 8 4 2003 0 495 18.3 3.8 52 310 8 5 2003 0 509 18.3 4.2 53 310 8 6 2003 0 518 19.0 4.2 59 310 8 7 2003 0 505 18.6 3.7 59 310 8 8 2003 0 501 19.1 3.2 66 310 8 9 2003 0 501 19.3 3.0 69 310 8 10 2003 0 500 19.0 3.1 69 310 8 11 2003 0 498 19.3 3.5 76 310 8 12 2003 0 505 19.4 4.0 78 310 8 13 2003 0 505 19.2 3.7 80 310 8 14 2003 0 507 19.3 4.2 83 310 8 15 2003 0 506 19.4 4.0 88 310 8 16 2003 0 506 19.5 4.4 97 310 8 17 2003 0 508 19.8 3.9 110 310 8 18 2003 0 507 19.5 4.2 109 310 8 19 2003 0 508 19.7 4.8 116 310 8 20 2003 0 498 19.9 4.3 108 310 8 21 2003 0 501 20.4 3.7 106 310 8 22 2003 0 493 20.3 4.3 110 310 8 23 2003 0 476 20.4 3.6 108 310 8 24 2003 0 487 20.4 4.6 116 310 8 25 2003 0 494 20.5 4.7 119 310 8 26 2003 0 500 20.6 4.7 124 310 8 27 2003 0 524 20.6 4.7 127 310 8 28 2003 0 544 20.7 5.1 117 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 8 29 2003 0 541 20.7 6.1 114 310 8 30 2003 0 534 20.6 6.6 115 310 8 31 2003 0 529 20.7 5.6 114 310 9 1 2003 0 528 20.8 5.6 115 310 9 2 2003 0 524 21.0 5.5 116 310 9 3 2003 0 533 21.0 6.4 127 310 9 4 2003 0 560 20.9 7.9 130 310 9 5 2003 0 535 20.7 6.5 109 310 9 6 2003 0 495 20.8 5.6 103 310 9 7 2003 0 490 20.9 5.2 101 310 9 8 2003 0 494 20.7 5.8 109 310 9 9 2003 0 490 20.7 6.0 114 310 9 10 2003 0 494 20.4 3.8 100 310 9 11 2003 0 498 20.2 3.3 99 310 9 12 2003 0 519 20.3 3.3 98 310 9 13 2003 0 507 20.4 2.9 99 310 9 14 2003 0 502 20.4 2.3 99 310 9 15 2003 0 501 20.5 2.4 89 310 9 16 2003 0 500 20.5 2.5 81 310 9 17 2003 0 502 20.8 3.6 91 310 9 18 2003 0 499 20.8 6.1 112 310 9 19 2003 0 499 20.7 5.8 101 310 9 20 2003 0 495 20.9 4.6 93 310 9 21 2003 0 504 21.0 4.4 86 310 9 22 2003 0 516 21.0 3.9 69 310 9 23 2003 0 486 21.1 3.9 54 310 9 24 2003 0 472 21.1 3.5 41 310 9 25 2003 0 489 21.0 2.9 55 310 9 26 2003 0 491 21.0 2.8 74 310 9 27 2003 0 489 20.8 3.3 79 310 9 28 2003 0 485 20.7 3.7 80 310 9 29 2003 0 487 20.7 3.4 74 310 9 30 2003 0 480 20.7 3.9 68 310 10 1 2003 0 472 20.6 4.4 70 310 10 2 2003 0 472 20.6 4.3 66 310 10 3 2003 0 460 20.6 3.7 76 310 10 4 2003 0 453 20.4 3.6 78 310 10 5 2003 0 453 20.4 3.7 74 310 10 6 2003 0 457 20.4 3.7 70 310 10 7 2003 0 464 20.4 3.8 66 310 10 8 2003 0 467 20.4 3.5 63 310 10 9 2003 0 466 20.4 3.4 63 310 10 10 2003 0 473 20.4 2.9 71 310 10 11 2003 0 481 20.2 2.8 73 310 10 12 2003 0 479 20.1 3.0 71 310 10 13 2003 0 483 20.3 2.8 72 310 10 14 2003 0 484 20.3 3.0 74 310 10 15 2003 0 481 20.4 3.0 74 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 10 16 2003 0 475 20.4 2.8 69 310 10 17 2003 0 472 20.2 2.3 70 310 10 18 2003 0 472 20.2 2.2 64 310 10 19 2003 0 473 20.2 2.4 60 310 10 20 2003 0 474 20.2 2.2 55 310 10 21 2003 0 474 20.2 2.2 52 310 10 22 2003 0 474 20.2 2.1 50 310 10 23 2003 0 473 20.2 2.2 46 310 10 24 2003 0 471 20.1 1.8 37 310 10 25 2003 0 471 20.1 1.8 31 310 10 26 2003 0 473 20.1 1.8 28 310 10 27 2003 0 473 20.2 1.9 25 310 10 28 2003 0 481 20.2 1.9 21 310 10 29 2003 0 459 22.0 6.6 17 310 10 30 2003 0 437 20.4 7.2 20 310 10 31 2003 0 461 19.0 7.2 28 310 11 1 2003 0 481 19.1 5.2 34 310 11 2 2003 0 480 19.3 1.7 28 310 11 3 2003 0 480 19.2 1.7 27 310 11 4 2003 0 463 19.0 1.8 29 310 11 5 2003 0 448 18.8 1.8 30 310 11 6 2003 0 440 18.7 1.7 30 310 11 7 2003 0 432 18.7 1.7 29 310 11 8 2003 0 433 18.8 1.8 30 310 11 9 2003 0 436 18.7 1.8 30 310 11 10 2003 0 435 18.6 2.7 30 310 11 11 2003 0 438 18.5 2.5 30 310 11 12 2003 0 437 18.4 2.4 30 310 11 13 2003 0 465 18.2 2.2 31 310 11 14 2003 0 487 18.2 2.1 29 310 11 15 2003 0 494 17.9 2.2 30 310 11 16 2003 0 493 17.7 2.1 30 310 11 17 2003 0 489 17.6 1.9 29 310 11 18 2003 0 501 17.3 1.8 30 310 11 19 2003 0 507 17.2 1.7 30 310 11 20 2003 0 499 17.4 1.7 29 310 11 21 2003 0 502 17.3 1.8 30 310 11 22 2003 0 498 17.1 1.9 30 310 11 23 2003 0 488 17.0 1.7 30 310 11 24 2003 0 480 16.8 1.6 32 310 11 25 2003 0 473 16.7 1.5 32 310 11 26 2003 0 473 16.6 1.4 33 310 11 27 2003 0 482 16.4 1.4 33 310 11 28 2003 0 479 16.4 1.4 35 310 11 29 2003 0 481 16.4 1.4 36 310 11 30 2003 0 478 16.2 1.4 39 310 12 1 2003 0 478 16.2 1.4 40 310 12 2 2003 0 478 16.1 1.5 39 Page 7 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 12 3 2003 0 478 16.0 1.2 34 310 12 4 2003 0 490 15.7 1.3 32 310 12 5 2003 0 496 15.7 1.4 33 310 12 6 2003 0 490 15.7 3.3 35 310 12 7 2003 0 503 15.5 2.0 34 310 12 8 2003 0 502 15.5 1.4 34 310 12 9 2003 0 502 15.4 1.4 35 310 12 10 2003 0 503 15.4 1.4 38 310 12 11 2003 0 502 15.3 1.6 38 310 12 12 2003 0 501 15.2 1.7 40 310 12 13 2003 0 503 15.0 1.5 43 310 12 14 2003 0 499 15.0 1.4 43 310 12 15 2003 0 501 15.0 1.4 43 310 12 16 2003 0 494 14.9 1.3 39 310 12 17 2003 0 491 14.8 1.4 33 310 12 18 2003 0 494 14.7 1.5 33 310 12 19 2003 0 502 14.6 1.7 34 310 12 20 2003 0 505 14.5 1.7 35 310 12 21 2003 0 514 14.4 1.7 35 310 12 22 2003 0 525 14.2 1.9 36 310 12 23 2003 0 509 14.2 1.7 33 310 12 24 2003 0 498 14.1 1.8 31 310 12 25 2003 0 494 14.1 2.0 32 310 12 26 2003 0 498 13.9 2.1 33 310 12 27 2003 0 505 13.7 2.1 34 310 12 28 2003 0 494 13.6 2.2 35 310 12 29 2003 0 476 13.6 2.1 35 310 12 30 2003 0 488 13.4 2.5 37 310 12 31 2003 0 477 13.5 3.4 39 310 1 1 2004 0 493 13.0 3.2 42 310 1 2 2004 0 491 13.1 3.0 42 310 1 3 2004 0 491 13.0 2.9 43 310 1 4 2004 0 496 12.7 3.1 46 310 1 5 2004 0 493 12.6 3.2 48 310 1 6 2004 0 489 12.7 2.7 41 310 1 7 2004 0 490 12.6 2.6 36 310 1 8 2004 0 489 12.3 3.6 37 310 1 9 2004 0 488 12.3 3.5 37 310 1 10 2004 0 489 12.1 3.8 38 310 1 11 2004 0 487 12.1 3.7 38 310 1 12 2004 0 485 11.9 3.9 40 310 1 13 2004 0 497 11.9 3.7 39 310 1 14 2004 0 506 11.7 3.8 40 310 1 15 2004 0 505 11.8 3.6 39 310 1 16 2004 0 493 11.7 3.8 40 310 1 17 2004 0 488 11.6 4.0 42 310 1 18 2004 0 493 11.6 4.0 42 310 1 19 2004 0 493 11.6 4.0 42 Page 8