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IGroundwater samples were collected using a disposable teflon bailer and laced into 40 ml VOA bottles <br /> • P <br /> and labeled in accordance with procedures outlined in the attached Appendix 1 These samples represented <br /> purged groundwater samples where at least 3 casing volumes of water had been removed from each well <br /> The water samples were handled and transported under accepted chain of custody procedures outlined in <br /> the PHSEHD-approved workplan to Kiff Analytical Laboratories, Davis, California After sampling <br /> activities were concluded each of the wells were then secured <br /> All sampling equipment was decontammated by Alqui non and followup distilled water rinse Rinse water <br /> I from decontamination of sampling equipment was placed in a 55 gallon drums and labeled as nonhazardous <br /> waste <br /> 2.2 Laboratory Analytical Methods <br /> The water samples were analyzed by Kill Analytical LLC, Davis, California, California state certified <br /> I analytical laboratory##2236, using U S Environmental Protection Agency(USEPA)Test Method 8260B <br /> for benzene,toluene, ethylbenzene, xylene, and total petroleum hydrocarbon as gasoline Additional scans <br /> for oxygenates and lead scavengers were completed with the 8260B analysis as follows <br /> IMethyl Tertiary Butyl Ether(MTBE) <br /> Di-isopropyl Ether(DIPE) <br /> Ethyl Tertiary Butyl Ether(ETBE) <br /> Tertiary Amyl Methyl Ether(TAME) <br /> Tertiary Butanol(TBA) <br /> . Methanol(M) <br />! Ethanol(E) <br /> 1,2-Dichloroethane(1,2-DCA) <br /> 1,2- Dibromoethane(1,2-EDB) <br />! Copies of the analytical laboratory reports and chain of custody documentation are attached to this report <br /> as Appendix 3 as Kiff Analytical Report#37851 and the analytical results tabulated in the attached <br />! Tables 3 and 4 <br /> l <br /> I <br /> I <br />! <br /> • <br />' Mam1D1En`nronmenmreamnarTeuawUZeporNX033104QMR wo 3 <br />