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ESuPeriOr !'recision ona&, cal, Inc_ <br /> 825 Arnold Drive Suite 1 14 ■ Martinez California 94553 • (510) 229-1512/fax (510) 229-1526 <br /> ' C E R T I F I C A T E O F A N A L Y S I S <br /> ANALYSIS FOR TOTAL PETROLEUM HYDROCARBONS <br /> Page 2 of 2 <br /> QA/QC INFORMATION <br /> SET 89132 <br /> NA = ANALYSIS NOT REQUESTED <br /> ND = ANALYSIS NOT DETECTED ABOVE QUANTITATION LIMIT <br /> mg/kg = parts per million (ppm) <br /> ' OIL AND GREASE ANALYSIS By Standard Methods Method 5520F <br /> Minimum Detection Limit 3n Soil : 50mg/kg <br /> Modified EPA SW-846 Method 8015 for Extractable Hydrocarbons <br /> ' Minimum Quantitation Limit for Diesel an Soil lmg/kg <br /> EPA SW-846 Method 8015/5030 Total Purgable Petroleum Hydrocarbons <br /> INManimum Quantitation Limit for Gasoline in Soil lmg/kg <br /> EPA SW-846 Method 8020/BTXE <br /> ' Minimum Quantitation Limit in Soil 0 005mg/kg <br /> ANALYTE MS/MSD RECOVERY RPD CONTROL LIMIT <br /> ------ - -- - ----- -------- -- - ----- -------- <br /> 'Gasoline 88/83 60 70-130 <br /> Benzene 108/113 5e 70-130 <br /> 'Toluene 110/118 70 70-130 <br /> Ethyl Benzene 113/118 40 70-130 <br /> Xylenes 114/119 4 ; 70-130 <br /> Richard Srna, Ph D <br /> Laboratory Directo <br /> Certified Laboratories <br />