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oNME1y��� <br /> ARK <br /> SSR V(CE5 <br /> July 28, 1994 <br /> Project 113-13 <br /> Mr. John Johnson <br /> The Customer Company <br /> P. O Box 886 <br /> Berucia, CA 94510 <br /> Subject: Groundwater Sampling Report, Second Quarter, Second Year, for <br /> Cheaper! #76, 890 North Main Street, Manteca, California <br /> Dear Mr. Johnson- <br /> This report describes the field methods used to obtain groundwater samples and the <br /> laboratory analysis results for the samples from the site referenced above (Figure 1 - <br /> i_ Site Location Map). <br /> L SITE HISTORY <br /> Two underground gasoline storage tanks were removed from the subject property <br /> in February, 1987 Soil samples collected during the tank removal showed detectable <br /> amounts of TPH-g and BTEX. On March 5, 1987, Klemfelder consultants reported <br /> that three morutonng wells (MW-1 through MW-3) were installed on March 2, <br /> 1987, south, north and northwest, respectively, of the former underground storage <br /> tank. location The wells were developed and sampled March 3, 1987 Groundwater <br /> was encountered at 13 feet below ground surface All groundwater samples were <br /> analyzed for TPH-g (total petroleum hydrocarbons as gasoline) and BTEX (benzene, <br /> toluene, ethylbenzene and xylenes). All samples were ND (non detect) except for <br /> benzene, detected at 3.5 ppb (parts per billion) in MW-1 and 13 ppb in MW-3 <br /> On November 13, 1987, IQeinfelder requested to dispose of purge and sample water <br /> collected from the wells. The purge and sample water collected Aprt128, 1987 were <br /> non detect. On June 21, 1988, a Kleinfelder report documented that groundwater <br /> samples collected May 27, 1988 were ND. The depth to groundwater was 20 feet BGS <br /> (below ground surface). <br /> L Recycled Paper <br /> 190 East 7th Street 9 Pittsburg, CA 94565-2317 * FAX (510) 439-2566 9 Phone (510) 439-1024 <br />