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Mr. Wade Broughton <br /> May 28, 1993 <br /> Page 2 <br /> Ground Water Analysis <br /> Ground water samples were collected from monitoring wells MW-1 through MW-3 on <br /> March 23, 1993 A representative of San Joaquin County Environmental Health Division was present <br /> to observe These samples were submitted to a state-certified laboratory for analysis of benzene, <br /> toluene, ethylbenzene, xylenes (BTEX), and total petroleum hydrocarbons (TPH) as diesel <br /> Dissolved benzene or TPH as diesel were not detected in ground water samples collected from <br /> monitoring wells MW-1, MW-2 and MW-3 Analytical results of ground water samples collected <br /> on March 23, 1993, are compiled in Table 2 Sampling information sheets and laboratory reports <br /> w for the March 1993 sampling event are included in Enclosures B and C, respectively F <br /> Discussion <br /> Laboratory results of ground water samples collected from monitoring wells MW--1, MW-2, and <br /> MW-3, located cross-gradient and down-gradient of the former fuel oil storage tank location were <br /> not found to contain petroleum hydrocarbon constituents There is no evidence that ground water <br /> has been impacted by petroleum hydrocarbons The next quarterly ground water monitoring event <br /> is scheduled for June 1993 <br /> It is recommended that copies of this letter report be forwarded to the following agencies <br /> Ms Elizabeth Thayer Ms Laurie A Cotulla <br /> California Regional Water Quality Control Environmental Health Division <br /> Board, Central Valley Region Public Health Services <br /> 3443 Routier Road Post Office Box 2009 <br /> Sacramento, California 95827-3098 Stockton, California 95201 <br /> r <br />