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TABLE 2 ANALYTICAL RESULTS GROUND WATER Carmen Punta Property-Stockton Results reported in leg/P except as noted OB& Well Number Sampling 'fRPft-d TPH g Grease Benzene Toluene Fahy]- Xylenes Date (eagle) benzene ' MWA 10/01/93 ND NA ND ND ND ND ND 02/06/95 ND ND ND ND ND ND ND 05/09/95 ND ND ND ND ND ND ND MW-2 10/01/93 ND NA NA ND ND ND ND 02/06/95 ND ND NA ND ND ND ND 05/09/95 ND ND NA ND ND ND ND MW-3 10/01/93 ND NA NA ND ND ND ND 02/06/95 ND ND NA ND ND ND ND 05/09/95 ND ND NA ND 03 ND ND Reporting 10/01/93 50 50 5 mg/l 0 3 0 3 0 3 0 3 ' Lmvt 02/06/95 50 1 5 mg/P 0 3 0 3 0 3 0 3 mµg/Q 05/09/95 50 50 5 mglf 0 3 0 3 0 3 0 3 ' ND Not detected above the laboratory reporting lemut NA Not Analyzed MCLsam,ug/e benzene=1,toluene=100,ethylbenzene=680,toeal xylenes=1750 SUAMARY Monitoring wells MW-1, MW-2, and MW-3 were sounded and sampled on May 9, 1995 ' Utilizing a KeckO interface probe, the WW Irwin, Inc staff geologist intercepted the piezometric surface in the wells at an average depth of 32 25 feet bsg Due to a very wet ' season, the water table has risen an average of 3 78 feet since the wells were sampled on February 6, 1995 Using the three-point method, the calculated local direction of ground-water flow on May 9, 1995 was approximately S80°E along a gradient of 0 003 foot/foot The flow direction has shifted 17' to the east and south since February 6, 1995 EGround-water samples were collected from the three wells, refrigerated, and received at Sherwood Labs on May 9, 1995 The samples were analyzed for oil & grease, diesel, gasoline, and 13TEX constituents The report of analytical results revealed wholly nondetectable concentrations of all constituents except for toluene, detected fractionally at the reporting limit of 0 3 µgIf in the sample collected from MW-3 The next monitoring activity is scheduled for early August, 1995 W W Irmn,Inc Project No 33236 00 May 1995 6 E