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BRAWN AND D r'.12 Iv <br /> �� CALDW <br /> ELL <br /> JUL 2 7 1995 <br /> July 24, 1995 �N�y�pNMEN�A�HEALTH <br /> ��RMNaIS �vticEs <br /> Mr Jim Woodward <br /> Operations Manager <br /> Sheldon Oil Company <br /> 426 Main Street <br /> Suisun, California 94585 017-1422-0114 <br /> Subject Second Quarter 1995 Groundwater Monitoring Report <br /> Kent's Oil Facility, Stockton, California <br /> Dear Mr Woodward <br /> This report presents the results of water-level measurements and groundwater sampling <br /> performed during the second quarter of 1995 at Kent's Oil Facility located at 3310 E Miner <br /> Street, Stockton, California The work was performed on June 14, 1995, by Brown and <br /> Caldwell <br /> There are three on-site wells MW-1, MW-2, and MW-3 Well locations are shown on <br /> Figure 1. Water-level measurements and groundwater samples were collected from all three <br /> wells during the fourth quarter sampling event <br /> Field and Analytical Methods <br /> Prior to commencing purging, static water levels were measured and a check for floating <br /> product was made in each well. Prior to sampling, the wells were purged of a minimum of <br /> three well volumes using a submersible pump After purging, each well was sampled using <br /> a disposable bailer <br /> All groundwater samples were analyzed for benzene, toluene, ethylbenzene, and xylene <br /> isomers (BTEX) by U S. Environmental Protection Agency (EPA) Method 602, total <br /> petroleum hydrocarbons as gasoline (TPH-G)by EPA Method 8015 Modif ed/Purge and Trap, <br /> and diesel (TPH-D), and motor oil (TPH-MO) by EPA Method 5030/8015 Modified <br /> Results <br /> The groundwater flow direction on June 14, 1995 was to the south and is shown on Figure 1 <br /> Water-level data are shown in Table 1. Historical groundwater flow directions and gradients <br /> are shown in Table 2. <br /> Thts report was prepared to accordance with the standards of the environmental consulting industry at the time it was <br /> prepared It should not be relied upon by parties other than those for whom it was prepared, and then only to the <br /> extent of the scope of work which was authorized Thu report does not guarantee that no additional environmental <br /> contamination beyond that described in this report exists at the site <br /> Environmental Engineering And Consulbng Analytical Services <br /> 9616 iMICRoV A%EtiUE SUITE 600 SACRAMENTO CA 9��1� �6�fTS%95QTRIUYD2ND95QTR.RPT <br /> (916) 444 0123 Fax 1916) 856 5277 l <br />