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' k'9 KLEINFELDER <br /> 5 LABORATORY RESULTS <br /> 1 <br /> ' A total of four groundwater samples collected from monitonng wells MW-1 through MW-4 were <br /> submitted for the following analysis during the second quarter 2003 sampling event <br /> ' • Benzene, Toluene, Ethylbenzene, Total Xylenes by EPA Method 8260 (BTEX), <br /> • Total Extractable Petroleum Hydrocarbons as referenced to Diesel (TPH-D) by EPA Method <br /> ' 8015B, <br /> • Total Purgeable Petroleum Hydrocarbons as referenced to Gasoline (TPH-G) by EPA Method <br /> 8015B, <br /> tFor a summary of these, and previous groundwater sampling results, refer to Table 2 included in <br /> the Appendix of this report In summary, TPH-D was detected from the groundwater sample <br /> ' collected from MW-1 at a concentration of 17 mg/l TPH-G was detected in this groundwater <br /> sample at 2 4 mg/l as well as ethylbenzene at a concentration of 2 4 µg/l No other requested <br /> analytes were detected in the groundwater sample from MW-1 None of the requested petroleum <br /> analytes were detected in groundwater samples collected from perimeter monitoring wells MW- <br /> 2, MW-3 and MW-4 A complete summary of our laboratory analytical results is included as <br /> Appendix C <br /> 28209 T03/ST03R1312 Page 8 of 11 <br /> ' 0 2003 Kleinfelder, Inc September 22,2003 <br />