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z <br /> �iCRO <br /> Thkd QuaMr 1994 Gmw4vmvW YonW*v R•pod <br /> 2448 West Kettleman Lane,Lodi.GOMM <br /> GROUNDWATER SAMPLING AND ANALYSES <br /> Groundwater samples were collected from five of the wells. All samples were analyzed for <br /> concentrations of: <br /> • TPH, as gasoline, by modified EPA Method 8015. <br /> • BTEX by EPA Method 602. <br /> Analytical results from March 1992 to date are summarized in Table 2. Historic analytical data <br /> are presented as an Attachment. The laboratory report and chain-of-custody form for the current <br /> sampling event are attached. Benzene concentrations remain nondetectable in wells MW-20, <br /> MW-34, MW-35 and MW-36. Concentrations increased in well MW-25 compared to prior <br /> sampling. <br /> A copy of this quarterly monitoring report should be forwarded to the following parties: <br /> Mr. Harlan Knoll <br /> Environmental Health Division <br /> San Joaquin Public Health Services <br /> Post Office Box 2009 <br /> Stockton, California 95201 <br /> Mr. James B. Maughan <br /> Central Valley Regional Water Quality Control Board <br /> 3443 Routier Road, Suite A <br /> Sacramento, California 95827-3098 <br /> jai <br /> 94-896-3.QPAR -2- <br />