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Project No 58080-06-OIC <br /> August 31, 1994 <br />' EPM Technologies Reports <br /> EPM reported that approximately 3,333 pounds of gasoline were removed from the onsite <br />' vapor extraction well between June 1993 and March 1994 A boring/well log was not <br /> presented for the onsite vapor extraction well nor were operation, maintenance or technical <br /> 1 <br /> specifications for the vapor extraction treatment system which was subsequently removed from <br /> the site in June 1994 <br /> EPM reported laboratory analyses for soil samples collected in April 1994 at a depth of 25 <br /> feet bgs in borings DTB1 and DTB2 Nondetected TPHg, TPHd and BTEX concentrations <br /> were reported for the soil sample obtained from boring DTB1 located adjacent to boring EB- <br /> 1 t <br /> B-11 A TPHg concentration of 2,600 mg/Kg and BTEX concentrations of 6 0,6 5,5 3 and 13 0 <br />' mg/Kg, respectively, were reported for a soil sample obtained from boring DTB2 located <br /> adjacent to boring EB-8 Boring logs were not presented for borings DTB1 and DTB2 <br /> EPM reported laboratory results of groundwater samples obtained on March 25, 1994 from <br /> 1 <br /> wells MW-1, MW-2 and MW-3 Groundwater was reported at a depth of approximately 54 <br /> ' feet bgs Groundwater elevation measurements and/or gradient information was not reported <br /> TPHg was reported below the laboratory equipment detection limit of 1000 ug/L BTEX was <br /> ' also reported below the laboratory equipment detection limits MTBE was reported at <br /> concentrations of 200 and 560 ug/L for wells MW-3 and MW-1, respectively In addition, the <br /> - 19 - <br />