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TABLE 6 GEOMATRIX <br /> COMPARISON OF DETECTED CONCENTRATIONS OF PETROLEUM <br /> CONSTITUENTS IN SOIL AND SAMPLE QUANTITATION LIMITS TO PRGs <br /> Roberts Property <br /> Vemalis, California <br /> Ma%imnm <br /> Detection Maximum SQL Industrial Above Industrial PRGs? <br /> 0-15 feet bgs 0-15 feet bgs PRG <br /> Chemical (mg/kg) m !k {m Ik Detection SQL <br /> Volatile Organic Compounds <br /> Benzene ND 0.005 0.39 NA No <br /> Ethylbenzene ND 0.005 230 NA No <br /> Toluene ND 0.005 520 NA No <br /> Xylenes 0.009 0.005 210 No No <br /> Polynuclear Aromatic Compounds <br /> Acenaphthene ND 0.66 28,000 NA No <br /> Acenaphthylene ND 0.66 28,000 NA No <br /> Anthracene ND 0.66 220,000 NA No <br /> Benzo(a)anthracenel ND 0.66 2.2 NA No <br /> Benzo(g,h,i)perylene" ND 0.66 26,000 NA No <br /> Benzo(a)pyrenel Nn 0.66 0.22 NA Yes <br /> Benzo(b)fluoranthene E ND 0.66 2.2 NA No <br /> Benzo(b,k)fluoranthene' ND 0.66 2.2 NA No <br /> Chrysene' 1.1 0.33 22 No No <br /> Dibenz(a,h)anthracenel ND 0.66 0.64 NA Yes <br /> Fluoranthene ND 0.66 37,000 NA No <br /> Fluorene 5.8 0.33 22,000 No No <br /> Indeno(1,2,3-cd)pyrenel ND 0.66 2.2 NA No <br /> Naphthalene ND 0.66 190 NA No <br /> Phenanthrene' 6.7 0.33 220,000 No No <br /> Pyrene 0.69 0.33 26,000 No___j No <br /> Abbreviations- <br /> PRG= Preliminary Remediation Goal. <br /> SQL= Sample Quantitation Limit. <br /> mg/kg= Milligrams per kilogram. <br /> feet bgs= Feet below ground surface. <br /> ND= Analyte not detected above method detection limit. <br /> NA= Not applicable. <br /> Notes: <br /> "Cal-Modified"PRG. <br /> z Evaluated using a surrogate chemical(pyrene far benzo(g,h,i)perylene;anthracene for phenanthrene, <br /> naphthalene for 2-methylnaphthalene). <br /> [Aprojectl501 BTh1-6-715oi1•PRG 2116199 <br />