Laserfiche WebLink
i <br /> December 16, 1992 Working To Restore Nature <br /> Unocal Service Station No 6981, Stockton, California <br /> i <br /> TABLE 7 <br /> HYDROCARBON CONCENTRATIONS IN GROUND-WATER SAMPLES <br /> Unocal Service Station No 6981 <br /> I 4707 Pacific Avenue <br /> Stockton, California <br /> (page 4 of 4) <br /> Sample Ethyl- Total <br /> Number Date TPHg Benzene Toluene benzene Xylenes <br /> 1 <br /> W-54-MW10 08/19/92 <50 <05 <05 <05 <05 <br /> MW-10** 10/22/92 <50 <05 <05 <05 <05 <br /> W-56-MWI1 08/19/92 <50 <05 <05 <05 <05 <br /> 1 MW-11** 10/22/92 <50 <05 <05 <05 <05 <br /> W-56-MWI2 08/19/92 <50 <05 <05 <05 <05 <br /> MW-12** 10/22/92 <50 <05 <05 <05 <05 <br /> W-57-MW13 08/27/92 <50 <05 <05 <05 <05 <br /> 1 MW-13** 10/22/92 <50 <05 <05 <05 <05 <br /> Pumping Test Well <br /> W-55-PTW1 8/17/92 <50 <05 <05 <05 <05 <br /> W-55-PTW1 8/18/92 <50 <05 <05 <05 <05 <br /> W-56-PTWI 8/19/92 <50 <05 <05 <05 <05 <br /> W-0908-PTW1 09/08/92 69 <05 <05 <05 <05 <br /> 1 <br /> Hydropunch Sampling <br /> W-62-MW12-HP 8/11/92 <50 <05 <05 <05 <05 <br /> HP-B16/MW-11 8/12/92 <50 <05 <05 <05 <05 <br /> HP-B15/MW10 8/13/92 <50 <05 <05 <05 <05 <br /> Baker Tank <br /> BT 8/19/92 <50 <05 <05 <05 <05 <br /> Results in parts per billion <br /> TPHg = Total petroleum hydrocarbons as gasoline <br /> NS = Not sampled <br /> = The positive result for gasoline does not appear to have a typical gasoline pattern <br /> ** = Sample collected by GeoStratigies Inc <br /> < = Below detection limit for analytical method used <br /> Sample designation <br /> W-56-MW-9 Water sample - sample depth (feet below grade) - weil number <br /> HP-B16/MW-11 Hydropunch sample - boring number/well number <br /> i <br /> 38032-10 <br />