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c Superior Precisior7 Ar7a/ytica/., /r7c_ <br /> 825 Arnold Drive Suite i 14 . Martinez California 94553 - (51 0) 229-15 1 2 / fax (510) 229 1 526 <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: 88673 <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 in Soil : 50mg/kg <br /> Modified EPA SW-846 Method 8015 for Extractable Hydrocarbons <br /> Minimum Quantitation Limit for Diesel in Soil lmg/kg <br /> EPA SW-846 Method 8015/5030 Total Purgable Petroleum Hydrocarbons <br /> eMinimum 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 : 112/105 6% 70-130 <br /> Benzene 96/100 401 70-130 <br /> Toluene 97/99 2% 70-130 <br /> Ethyl Benzene 97/99 2015 70-130 <br /> Xylenes 93/95 20 70-130 <br /> Richard Srna, Ph D <br /> k�JO-Yf�O C <br /> Laboratory Dir tori <br /> Certified Laboratories <br />