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Mr Mick Harden Page 2 <br /> October 17, 1995 <br /> OGroundwater samples from all three monitoring wells were analyzed for <br /> Total Petroleum Hydrocarbon as diesel and gasoline (TPH-D and TPH-G) <br /> using modified USEPA Method 8015 and benzene, toluene, ethylbenzene, and <br /> total xylenes (BTEX) using USEPA Method 8020 <br /> Results <br /> No target chemical constituents were detected in groundwater samples <br /> collected from monitoring wells MW-1 and MW-2 An unidentified <br /> hydrocarbon compound (C10-C24) was detected in monitoring well MW-3 at a <br /> concentration of 50 gg/1 This detection was quite low and very close to the <br /> method detection limit <br /> All sampling results are summarized in Table 2 Complete laboratory <br /> analytical results and Chain-of-Custody forms are included in Attachment A <br /> Table 2 <br /> Analytical Results - Third Quarter 1995 <br /> Well ID TPH-G TPH-D BTEX <br /> 0 MW-1 <50 gg/1 <50 gg/1 <0 50 gg/1 <br /> MW-2 <50 gg/1 <50 gg/1 <0.50 gg/1 <br /> MW-3 <50 gg/1 s0 99/1 (*) <0 50 gg/1 <br /> Note {") = Unidentified hydrocarbon (C10-C24) <br /> If you have any questions regarding this matter, please contact me at <br /> (916) 444-9378 <br /> Sincerely, <br /> ERM-WEST, INC <br /> �-- i 4 � <br /> Leslie A Goodbody�1 <br /> Project Manager <br /> Enclosure Potentiometric Surface Map <br /> Laboratory Reports <br /> TTM/LAG/653 30 <br />