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CAMBRIA <br /> Health and Safety Plan Cambria prepared a stte-specific safety plan for the SVE test activities <br /> SOIL VAPOR EXTRACTION TEST DATA <br /> Details of the SVE pilot test are presented below The radius of influence data is summarized in <br /> Table 3 and the vapor extraction mass removal data is summarized in Table 4 The laboratory <br /> analytical reports are included in Appendix C, and the field data sheets are included as <br /> Appendix D <br /> October 7, 2003 On October 7, Cambria conducted short-term step tests on wells SVE-1, <br /> SVE-2, and SVE-3, and initiated a long-term SVE test on well SVE-1 Applied vacuum readings <br /> and extraction flow rates were measured, and vapor samples were collected, at the wellhead The <br /> step tests involved adjusting the liquid ring pump on the Solleco unit to produce a minimum of <br /> three different vacuum levels The vacuum setting that yielded the highest vapor flow rate from <br /> the extraction well was then used as the target vacuum level for the duration of a longer SVE test <br /> on that well <br /> • A vapor extraction step test on SVE-1 began at 10 42 on October 7 A maximum wellhead <br /> vacuum of 1 1 inches mercury-gauge (Hg} was achieved from a liquid-ring pump-generated <br /> vacuum of 19 5 inches Hg A vapor sample collected from SVE-1 at 11 10 did not contain <br /> detectable quantities of TPHg, benzene, or MTBE at detection limits of 10, 0 31 and 0 14 parts <br /> per million by volume (ppmv), respectively <br /> A vapor extraction step test on SVE-2 began at approximately 11 15 on October 7 An initial <br /> wellhead vacuum of 0 4 inches Hg resulted from a liquid-ring pump-generated vacuum of <br /> 5 inches Hg The maximum wellhead vacuum achieved was 0 9 inches Hg A vapor sample <br /> collected from SVE-2 at 11 55 contained <10 ppmv TPHg, <0 31 ppmv benzene, and 0 42 ppmv <br /> MTBE <br /> A vapor extraction step test on SVE-3 began at approximately 12 00 on October 7 An initial <br /> wellhead vacuum of 0 4 inches Hg resulted from a liquid-ring pump-generated vacuum of <br /> 5 inches Hg The maximum wellhead vacuum achieved was 1 1 inches Hg A vapor sample <br /> collected from SVE-3 at 12 20 contained <10 ppmv TPHg, <0 31 ppmv benzene, and 0 19 ppmv <br /> MTBE, although this sample was extracted out of holding time <br /> A vapor extraction test on SVE-1 began at approximately 12 20 on October 7 A vapor sample <br /> . collected from SVE-1 at 15 30 contained ll ppmv TPHg, <0 31 ppmv benzene, and 6 2 ppmv <br /> 0955 7 <br />