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0 ENVIRONMENTAL AUDIT, INC. <br /> 1000-A ORTEGA WAY • PI ACENTIA, CA 92670-7125 <br /> 714/632-8521 •f -,704M2-6754 <br /> January 13, 1997 <br /> Project No. 232 <br /> Michael Infurna <br /> San Joaquin County Public Health Services YPIT1111Environmental Health Division <br /> 445 N. San Joaquin Street <br /> P.O. Box 388 <br /> Stockton, CA 95201-0388 JAN 15 1997 <br /> RE: SAMPLING SAN JOAQUIN DELTA COLLEGE WELL ENVIRONMENTA1.HEALTH <br /> Montgomery Ward Auto Service Center PERMMSERVICES <br /> 5400 Pacific Avenue <br /> Stockton, CA 95207 <br /> Site Code 2163 <br /> Dear Mr. Infurna: <br /> Reference your letter dated January 9, 1997, requesting that Montgomery Ward sample an <br /> irrigation well under the control of San Joaquin Delta College (College). The subject well is <br /> located near the southwest corner of Robinhood Drive and Pacific Avenue (see Figure 1). For <br /> purposes of this letter, we refer to this well as "the Well." <br /> The San Joaquin County Public Health Services, Environmental Health Division (Count ) is <br /> aware that a former Unocal site located in close proximity to the Well (see Figure 2) is known <br /> to be contaminated with fuel hydrocarbons. Montgomery Ward has no objection to completing <br /> this work. However, it is Montgomery Ward's position that Unocal should, at a minin um, <br /> share in the costs associated with completing the sampling and testing of the Well. There ore, <br /> Montgomery Ward is requesting that the County notify Unocal in writing that it should co 1tact <br /> Montgomery Ward in order to participate in the sampling and testing of the Well. <br /> On January 3, 1997, Environmental Audit, Inc. (EAI) forwarded a letter to the Co lege <br /> requesting additional information on the Well and any other wells under College cor trol. <br /> These data, in conjunction with the results of testing a ground water sample from the ell, <br /> will be submitted to the County as soon as they become available. EAI believes that this <br /> information will include the additional information requested by the County in its January 9, <br /> 1997 letter. <br /> As requested, the ground water sample collected from the Well will be tested for total <br /> petroleum hydrocarbons as gasoline by modified EPA Method 8015, and aromatic <br /> hydrocarbons (including methyl tertiary butyl ether) and halogenated volatile organics. EAI <br /> proposes to use EPA Method 8260 for the aromatic hydrocarbons and halogenated vo atile <br /> organics testing. <br /> PLANNING,ENVIRONMENTALANALYSES AND <br /> HAZARDOUS SUBSTANCES MANAGEMENTAND REMEDIATION <br />