ARCHIVED REPORTS_XR0012227 - Laserfiche WebLink

Home Browse Search

Tab Groundwater Monitoring and Analytical Results Former Tosco(Unocal)Service Station#6981 4707 Pacific Avenue Stockton,California WELL IDI DATE DTW ST GWE TPP-G B T E X MTBE TOC-(tk) ffiV Mgs) OrIV (ppb) (PAN b) (ppb) (pp b) (PPA) MW-2 07/30/92 DRY 51 0-55 0 -- -- - -- -- - (cont) 10121-22/92 DRY "" -- -- -- -- 01/13/93 DRY -- 1156 --11 56i 04/26/93 5072 -39 16 43,000 8,000 <125 <125 <125 - 07/26/93 5172 -4016 18,000 2,900 47 38 90 -- 10/20/93 5226 -4070 12,000 2,400 52 <20 60 -- 01/17-18/94 4974 -38 18 14,000 1,800 31 29 120 -- 04/25-26/94 4761 -3605 21,000 8,000 240 93 220 -- 07/25-26/94 5007 -3851 NOT SAMPLED DUE TO CONSTRUCTION -- -- 10126-27/94 5125 -3969 24,000 11,000 3,100 96 3,200 01/25-26/95 4849 -3693 8,600 4,100 94 35 130 -- 04/26-27/95 4388 -3232 11,000 5,300 460 74 530 -- 07/27/95 4495 -3339 3,300 640 26 <125 13 -- 10/25-26/95 4584 -3428 -- -- -- -- -- 01/25/96 4305 -31 49 2,100 510 29 <10 11 --3 04/25/96 3822 -2666 -- -- -- -- -- -- 07/24/96 3860 -2704 1,300 470 110 16 75 36 10/23/96 4043 -2887 SAMPLED SEMI-ANNUALLY -- -- -- -- 01/21/97 - 01/21/97 3693 -2537 250 72 13 45 16 18 07/17/97 3424 -2268 16,000 3,900 220 180 390 <250 10/16/97 3608 -2452 12,000 3,500 200 170 640 <500/1206 12/08/97 3614 -2458 -- - -- -- -- -- 03/05/98 3268 -21 12 10,000 1,900 <50 150 180 280/3006 05/27/98 2931 -1775 8,600 1,400 18 56 65 47/2706 07/21/98 2831 -1675 490 85 56 29 24 220/1806 10/14/98 2926 -1770 2,900 620 17 36 56 380/1906 01/25-26/99 2843 -1687 2,200 610 21 24 72 270/1706 04/19-20/99 2610 -1454 1,700 440 20 18 57 310/1806 07/15-16/99 2737 -1581 620 130 <2 5 5 1 17 120/1806 11 56 10/25-26/99 2907 -1751 71013 120 21 60 29 240/2006 01/27-28/00 2853 -1697 490'3 62 20 52 24 170/1406 06126-27/00 2584 -1428 48913 380 300 <0 500 532 107/87 96 12 13 09122-23100 2901 -1688 8,00016 <20 <20 <20 370 120/1006 6991 x IS/4180 f 38 3 As of 06/26/03