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 2002 0 484 12.1 3.4 42 310 1 2 2002 0 484 12.1 3.4 41 310 1 3 2002 0 477 12.0 3.6 42 310 1 4 2002 0 501 12.0 3.7 43 310 1 5 2002 0 514 12.1 3.8 43 310 1 6 2002 0 518 12.2 3.5 41 310 1 7 2002 0 509 12.1 4.2 45 310 1 8 2002 0 507 12.1 3.8 43 310 1 9 2002 0 503 12.1 3.6 42 310 1 10 2002 0 516 12.1 3.7 43 310 1 11 2002 0 528 12.1 3.4 43 310 1 12 2002 0 538 12.1 3.1 43 310 1 13 2002 0 534 12.2 3.3 44 310 1 14 2002 0 529 12.2 3.5 46 310 1 15 2002 0 532 12.1 3.5 47 310 1 16 2002 0 554 12.2 3.8 49 310 1 17 2002 0 602 12.2 3.2 49 310 1 18 2002 0 605 12.1 3.2 51 310 1 19 2002 0 610 12.1 2.9 49 310 1 20 2002 0 607 12.0 2.9 48 310 1 21 2002 0 606 12.0 3.0 49 310 1 22 2002 0 595 11.8 3.3 51 310 1 23 2002 0 587 11.6 3.8 53 310 1 24 2002 0 562 11.5 3.6 53 310 1 25 2002 0 556 11.5 2.6 47 310 1 26 2002 0 547 11.5 3.1 48 310 1 27 2002 0 532 11.4 3.4 50 310 1 28 2002 0 528 11.3 3.5 49 310 1 29 2002 0 529 11.2 3.7 51 310 1 30 2002 0 527 11.1 3.8 50 310 1 31 2002 0 533 11.1 3.4 49 310 2 1 2002 0 549 11.1 2.6 46 310 2 2 2002 0 538 11.1 3.0 48 310 2 3 2002 0 519 10.9 3.6 51 310 2 4 2002 0 520 10.9 3.5 50 310 2 5 2002 0 514 10.8 3.7 51 310 2 6 2002 0 515 10.8 3.8 51 310 2 7 2002 0 513 10.7 3.7 50 310 2 8 2002 0 506 10.8 3.6 50 310 2 9 2002 0 491 10.8 3.4 49 310 2 10 2002 0 491 10.8 3.3 49 310 2 11 2002 0 498 10.9 3.3 49 310 2 12 2002 0 487 10.9 3.4 49 310 2 13 2002 0 487 10.8 3.3 48 310 2 14 2002 0 485 10.9 3.3 48 310 2 15 2002 0 500 10.9 3.2 49 310 2 16 2002 0 510 10.9 3.1 49 310 2 17 2002 0 498 10.8 3.4 50 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 2002 0 509 10.9 3.2 49 310 2 19 2002 0 528 11.1 2.6 46 310 2 20 2002 0 516 10.9 3.0 48 310 2 21 2002 0 499 10.9 2.9 48 310 2 22 2002 0 499 11.0 2.8 48 310 2 23 2002 0 501 11.0 2.7 48 310 2 24 2002 0 493 10.9 2.9 48 310 2 25 2002 0 500 11.0 2.7 48 310 2 26 2002 0 516 11.2 2.4 46 310 2 27 2002 0 511 11.2 2.4 46 310 2 28 2002 0 491 11.0 2.8 47 310 3 1 2002 0 513 11.0 2.6 47 310 3 2 2002 0 531 11.1 2.4 47 310 3 3 2002 0 533 11.1 2.3 47 310 3 4 2002 0 537 11.1 2.3 46 310 3 5 2002 0 539 11.2 2.3 50 310 3 6 2002 0 538 11.1 2.3 46 310 3 7 2002 0 533 11.1 2.4 47 310 3 8 2002 0 530 11.3 2.2 46 310 3 9 2002 0 519 11.3 2.0 45 310 3 10 2002 0 508 11.1 2.1 47 310 3 11 2002 0 511 11.1 2.2 46 310 3 12 2002 0 508 11.2 2.1 46 310 3 13 2002 0 517 11.3 2.0 47 310 3 14 2002 0 517 11.1 2.0 47 310 3 15 2002 0 522 11.3 2.0 47 310 3 16 2002 0 523 11.5 2.0 48 310 3 17 2002 0 516 11.2 2.1 47 310 3 18 2002 0 520 11.5 2.0 50 310 3 19 2002 0 519 11.5 2.0 50 310 3 20 2002 0 517 11.3 2.2 49 310 3 21 2002 0 522 11.4 1.8 49 310 3 22 2002 0 532 11.5 1.8 48 310 3 23 2002 0 541 11.5 1.9 48 310 3 24 2002 0 537 11.4 1.6 48 310 3 25 2002 0 541 11.6 1.5 47 310 3 26 2002 0 519 12.6 1.5 45 310 3 27 2002 0 489 15.2 1.5 31 310 3 28 2002 0 487 16.3 1.5 28 310 3 29 2002 0 503 15.2 1.5 34 310 3 30 2002 0 520 11.6 1.4 45 310 3 31 2002 0 522 11.5 1.4 45 310 4 1 2002 0 531 11.6 1.5 45 310 4 2 2002 0 526 11.6 1.6 44 310 4 3 2002 0 521 11.6 1.6 44 310 4 4 2002 0 518 11.5 1.6 45 310 4 5 2002 0 520 11.6 1.6 44 310 4 6 2002 0 519 11.7 1.6 44 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 2002 0 526 11.9 1.5 44 310 4 8 2002 0 523 11.7 1.5 44 310 4 9 2002 0 521 11.9 1.6 43 310 4 10 2002 0 527 11.8 1.6 44 310 4 11 2002 0 447 12.0 1.5 43 310 4 12 2002 0 397 11.7 1.5 43 310 4 13 2002 0 399 11.7 1.5 43 310 4 14 2002 0 400 11.7 1.5 43 310 4 15 2002 0 399 11.7 1.5 43 310 4 16 2002 0 398 11.8 1.5 44 310 4 17 2002 0 395 11.9 1.5 43 310 4 18 2002 0 368 12.0 1.4 44 310 4 19 2002 0 363 11.9 1.4 43 310 4 20 2002 0 365 11.8 1.5 43 310 4 21 2002 0 368 11.8 1.5 43 310 4 22 2002 0 368 12.1 1.5 43 310 4 23 2002 0 370 12.2 1.5 43 310 4 24 2002 0 450 11.9 1.5 43 310 4 25 2002 0 522 12.1 1.5 42 310 4 26 2002 0 519 12.4 1.5 43 310 4 27 2002 0 517 12.2 1.5 42 310 4 28 2002 0 518 12.6 1.5 43 310 4 29 2002 0 522 12.4 1.6 43 310 4 30 2002 0 516 12.3 1.6 43 310 5 1 2002 0 509 12.4 1.6 43 310 5 2 2002 0 510 12.5 1.6 41 310 5 3 2002 0 512 12.5 1.6 41 310 5 4 2002 0 510 12.6 1.6 41 310 5 5 2002 0 509 12.7 1.6 41 310 5 6 2002 0 510 12.7 1.6 41 310 5 7 2002 0 509 12.6 1.6 41 310 5 8 2002 0 505 12.8 1.6 41 310 5 9 2002 0 503 13.0 1.7 40 310 5 10 2002 0 503 12.6 1.7 42 310 5 11 2002 0 502 12.8 1.7 41 310 5 12 2002 0 502 13.3 1.8 40 310 5 13 2002 0 501 12.9 1.8 41 310 5 14 2002 0 499 12.7 1.8 41 310 5 15 2002 0 498 13.3 1.7 39 310 5 16 2002 0 506 13.2 1.4 39 310 5 17 2002 0 508 13.2 1.4 40 310 5 18 2002 0 508 13.1 1.5 40 310 5 19 2002 0 508 13.4 1.5 40 310 5 20 2002 0 507 13.3 1.6 40 310 5 21 2002 0 506 13.3 1.7 41 310 5 22 2002 0 504 13.4 1.6 41 310 5 23 2002 0 503 13.3 1.7 41 310 5 24 2002 0 503 13.4 1.7 41 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 2002 0 503 13.5 1.7 41 310 5 26 2002 0 504 13.7 1.7 41 310 5 27 2002 0 504 13.5 1.8 42 310 5 28 2002 0 503 14.0 1.9 43 310 5 29 2002 0 503 13.8 2.0 45 310 5 30 2002 0 503 13.6 2.0 46 310 5 31 2002 0 499 13.8 1.9 47 310 6 1 2002 0 495 14.0 1.9 48 310 6 2 2002 0 494 14.1 2.0 51 310 6 3 2002 0 493 14.5 2.1 55 310 6 4 2002 0 491 14.2 2.2 61 310 6 5 2002 0 489 14.4 2.3 66 310 6 6 2002 0 502 14.2 1.9 73 310 6 7 2002 0 509 14.5 1.6 80 310 6 8 2002 0 509 14.6 1.6 90 310 6 9 2002 0 508 14.9 1.7 101 310 6 10 2002 0 506 14.6 1.8 116 310 6 11 2002 0 507 14.9 1.9 135 310 6 12 2002 0 505 14.8 1.9 157 310 6 13 2002 0 507 14.9 1.9 183 310 6 14 2002 0 507 15.1 2.1 215 310 6 15 2002 0 505 15.6 2.3 249 310 6 16 2002 0 506 15.4 2.4 291 310 6 17 2002 0 505 15.3 2.5 334 310 6 18 2002 0 504 15.7 2.9 385 310 6 19 2002 0 507 16.0 2.9 441 310 6 20 2002 0 523 15.9 2.4 521 310 6 21 2002 0 533 15.8 2.3 602 310 6 22 2002 0 536 16.1 2.5 682 310 6 23 2002 0 535 16.5 2.8 754 310 6 24 2002 0 536 16.8 3.2 804 310 6 25 2002 0 540 16.9 3.2 425 310 6 26 2002 0 540 17.1 2.8 34 310 6 27 2002 0 538 16.9 3.4 35 310 6 28 2002 0 538 16.8 3.3 35 310 6 29 2002 0 536 17.1 3.3 35 310 6 30 2002 0 538 17.2 3.4 35 310 7 1 2002 0 537 17.5 3.3 36 310 7 2 2002 0 538 17.6 3.3 36 310 7 3 2002 0 540 17.4 3.6 36 310 7 4 2002 0 540 17.6 4.1 37 310 7 5 2002 0 539 17.8 3.8 39 310 7 6 2002 0 539 17.7 4.3 42 310 7 7 2002 0 538 17.9 4.0 45 310 7 8 2002 0 536 18.0 3.8 47 310 7 9 2002 0 531 18.2 3.9 51 310 7 10 2002 0 532 18.1 3.8 54 310 7 11 2002 0 532 18.1 4.1 58 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 2002 0 533 18.1 4.2 63 310 7 13 2002 0 528 18.6 3.5 49 310 7 14 2002 0 519 18.4 3.3 35 310 7 15 2002 0 521 18.4 3.3 36 310 7 16 2002 0 527 18.6 3.2 38 310 7 17 2002 0 516 18.6 3.4 40 310 7 18 2002 0 535 19.1 3.0 39 310 7 19 2002 0 550 19.3 3.1 37 310 7 20 2002 0 553 19.5 3.7 39 310 7 21 2002 0 553 19.5 4.4 40 310 7 22 2002 0 558 19.6 3.7 45 310 7 23 2002 0 558 19.6 4.4 50 310 7 24 2002 0 559 19.6 4.6 54 310 7 25 2002 0 557 19.5 5.3 59 310 7 26 2002 0 562 19.6 5.5 64 310 7 27 2002 0 556 19.7 6.0 69 310 7 28 2002 0 558 19.7 6.2 68 310 7 29 2002 0 563 20.0 5.6 71 310 7 30 2002 0 563 20.0 5.0 68 310 7 31 2002 0 564 20.0 5.0 60 310 8 1 2002 0 565 19.9 5.6 50 310 8 2 2002 0 568 20.0 5.3 36 310 8 3 2002 0 567 20.1 4.8 29 310 8 4 2002 0 567 20.1 5.2 26 310 8 5 2002 0 563 20.1 4.7 22 310 8 6 2002 0 566 20.1 4.5 19 310 8 7 2002 0 573 20.0 4.6 16 310 8 8 2002 0 576 19.9 4.8 13 310 8 9 2002 0 575 19.9 4.5 11 310 8 10 2002 0 573 20.1 4.4 10 310 8 11 2002 0 574 20.1 4.1 10 310 8 12 2002 0 573 20.1 4.0 10 310 8 13 2002 0 571 20.2 5.5 10 310 8 14 2002 0 572 20.3 5.7 11 310 8 15 2002 0 566 20.3 5.3 12 310 8 16 2002 0 569 20.3 4.1 13 310 8 17 2002 0 565 20.3 4.6 25 310 8 18 2002 0 566 20.4 4.5 39 310 8 19 2002 0 570 20.4 4.3 41 310 8 20 2002 0 569 20.6 4.0 47 310 8 21 2002 0 564 20.5 4.7 54 310 8 22 2002 0 561 20.4 3.8 46 310 8 23 2002 0 561 20.3 3.3 36 310 8 24 2002 0 561 20.1 3.1 35 310 8 25 2002 0 566 20.2 3.3 36 310 8 26 2002 0 564 20.1 3.7 38 310 8 27 2002 0 565 20.2 3.8 41 310 8 28 2002 0 569 20.2 3.9 47 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 2002 0 563 20.3 4.0 51 310 8 30 2002 0 563 20.3 4.4 58 310 8 31 2002 0 555 20.4 4.4 65 310 9 1 2002 0 550 20.4 4.3 64 310 9 2 2002 0 553 20.5 3.7 59 310 9 3 2002 0 550 20.6 4.1 57 310 9 4 2002 0 554 20.6 4.8 59 310 9 5 2002 0 567 20.5 4.8 57 310 9 6 2002 0 566 20.4 5.5 61 310 9 7 2002 0 567 20.3 4.4 60 310 9 8 2002 0 569 20.3 3.7 59 310 9 9 2002 0 569 20.3 3.9 56 310 9 10 2002 0 556 20.5 3.8 56 310 9 11 2002 0 547 20.6 3.5 49 310 9 12 2002 0 540 20.6 4.0 54 310 9 13 2002 0 542 20.5 4.6 55 310 9 14 2002 0 546 20.5 5.5 55 310 9 15 2002 0 548 20.7 5.4 54 310 9 16 2002 0 546 20.5 6.1 50 310 9 17 2002 0 541 20.5 5.0 47 310 9 18 2002 0 542 20.5 4.2 47 310 9 19 2002 0 543 20.2 3.6 39 310 9 20 2002 0 541 20.2 3.3 35 310 9 21 2002 0 543 20.3 3.4 37 310 9 22 2002 0 541 20.3 3.6 39 310 9 23 2002 0 544 20.3 3.0 41 310 9 24 2002 0 549 20.5 3.2 44 310 9 25 2002 0 552 20.5 3.4 45 310 9 26 2002 0 555 20.5 3.5 46 310 9 27 2002 0 559 20.4 4.1 47 310 9 28 2002 0 565 20.3 3.2 52 310 9 29 2002 0 565 20.2 3.3 57 310 9 30 2002 0 563 20.1 3.2 57 310 10 1 2002 0 564 20.0 3.0 58 310 10 2 2002 0 561 19.8 3.0 58 310 10 3 2002 0 562 19.6 3.3 61 310 10 4 2002 0 565 19.5 3.3 62 310 10 5 2002 0 562 19.4 3.1 62 310 10 6 2002 0 564 19.6 2.9 63 310 10 7 2002 0 561 19.6 3.1 63 310 10 8 2002 0 561 19.6 2.9 61 310 10 9 2002 0 561 19.6 3.0 62 310 10 10 2002 0 568 19.6 2.9 63 310 10 11 2002 0 571 19.6 3.1 73 310 10 12 2002 0 579 19.4 3.2 75 310 10 13 2002 0 570 19.3 3.1 77 310 10 14 2002 0 573 19.5 2.7 80 310 10 15 2002 0 567 19.5 2.7 78 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 2002 0 584 19.4 2.9 88 310 10 17 2002 0 581 19.0 2.4 63 310 10 18 2002 0 580 18.7 2.3 39 310 10 19 2002 0 571 18.5 2.4 37 310 10 20 2002 0 570 18.5 2.7 35 310 10 21 2002 0 577 18.4 3.0 35 310 10 22 2002 0 574 18.4 2.9 34 310 10 23 2002 0 569 18.3 2.8 33 310 10 24 2002 0 573 18.0 2.8 34 310 10 25 2002 0 574 17.8 2.6 34 310 10 26 2002 0 566 17.8 2.6 36 310 10 27 2002 0 566 17.7 3.1 35 310 10 28 2002 0 568 17.6 2.8 36 310 10 29 2002 0 567 17.5 3.1 36 310 10 30 2002 0 574 17.4 2.8 36 310 10 31 2002 0 594 17.3 2.8 37 310 11 1 2002 0 582 17.2 2.7 39 310 11 2 2002 0 582 17.2 2.6 44 310 11 3 2002 0 584 17.1 2.5 44 310 11 4 2002 0 583 17.0 2.5 46 310 11 5 2002 0 585 17.0 2.5 47 310 11 6 2002 0 590 17.0 2.6 49 310 11 7 2002 0 589 16.9 2.6 52 310 11 8 2002 0 601 16.8 3.4 46 310 11 9 2002 0 614 16.8 5.1 37 310 11 10 2002 0 620 16.8 3.2 33 310 11 11 2002 0 617 16.6 3.1 33 310 11 12 2002 0 619 16.4 3.2 35 310 11 13 2002 0 619 16.3 3.4 35 310 11 14 2002 0 615 16.4 3.3 35 310 11 15 2002 0 617 16.4 3.5 41 310 11 16 2002 0 619 16.4 3.5 45 310 11 17 2002 0 614 16.3 3.4 48 310 11 18 2002 0 618 16.2 3.3 49 310 11 19 2002 0 614 16.1 3.8 51 310 11 20 2002 0 612 16.1 3.6 54 310 11 21 2002 0 607 16.0 2.5 41 310 11 22 2002 0 607 16.0 1.9 32 310 11 23 2002 0 610 15.9 2.1 31 310 11 24 2002 0 608 15.7 2.0 34 310 11 25 2002 0 607 15.6 1.9 34 310 11 26 2002 0 607 15.5 2.0 35 310 11 27 2002 0 606 15.3 2.2 37 310 11 28 2002 0 609 15.2 2.1 37 310 11 29 2002 0 605 15.1 2.0 38 310 11 30 2002 0 608 15.1 2.0 40 310 12 1 2002 0 609 15.0 2.1 43 310 12 2 2002 0 615 15.0 2.1 45 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 2002 0 611 15.0 2.1 46 310 12 4 2002 0 616 14.9 2.0 48 310 12 5 2002 0 614 14.8 2.0 52 310 12 6 2002 0 603 14.8 2.0 58 310 12 7 2002 0 601 14.7 2.0 62 310 12 8 2002 0 605 14.6 2.0 63 310 12 9 2002 0 609 14.6 2.1 66 310 12 10 2002 0 600 14.6 1.6 48 310 12 11 2002 0 593 14.5 1.3 32 310 12 12 2002 0 596 14.4 1.4 31 310 12 13 2002 0 595 14.2 1.5 32 310 12 14 2002 0 594 14.3 1.5 32 310 12 15 2002 0 594 14.3 1.6 32 310 12 16 2002 0 593 14.2 2.3 32 310 12 17 2002 0 589 14.1 3.4 31 310 12 18 2002 0 592 13.9 2.5 32 310 12 19 2002 0 572 13.9 2.2 32 310 12 20 2002 0 553 13.9 2.9 32 310 12 21 2002 0 558 13.8 4.7 33 310 12 22 2002 0 557 13.6 4.5 33 310 12 23 2002 0 563 13.6 4.6 33 310 12 24 2002 0 570 13.4 4.5 34 310 12 25 2002 0 565 13.1 4.4 34 310 12 26 2002 0 576 13.0 4.8 37 310 12 27 2002 0 577 12.9 4.3 36 310 12 28 2002 0 582 12.8 4.5 36 310 12 29 2002 0 584 12.6 5.1 38 310 12 30 2002 0 583 12.5 5.1 38 310 12 31 2002 0 579 12.6 4.9 37 310 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 Page 8