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s. <br /> 1 <br /> 'Superior Precisivr7 ,gr a/ytica/� mac. <br /> 825 Arnold Drive, Suite 4 • Martinez. California 94553 • <br /> (S101229-1512 fax ' <br /> 510) 229-1526 <br /> C E R T I F I C A T E O F AN A L Y S I S <br /> ANALYSTS FOR TOTAL PETROLEUM HYDROCARBONS: <br /> Page 2 of 2 <br /> QA/QC INFORMATION <br /> SET: - 90768 <br /> NA = ANALYSIS NOT REQUESTED <br /> ,ND = ANALYSIS NOT DETECTED ABOVE QLTANTITATIONILLIMIT <br /> mg/kg = parts per million (ppm) <br /> ug/L = parts per billion (ppb) <br /> `-'"Modified EPA SW-846 Method 8015 for Extractable Hydrocarbons : <br /> Minimum Quantitation Limit for Diesel in Soil : 10mg/kg' . <br /> Minimum Quantitation Limit for Diesel in Wader: IOOOug/L <br /> EPA SW-846 Method 8015/5030 Total Purga.ble Petroleum Hydrocarbons : <br /> 4 Minimum Quantitation Limit for Gasoline in Soil : lmg/kg.. <br /> 1 Minimum Quantitation Limit for Gasoline in Water: 50ug/L' <br /> EPA SW-846 Method 8020/BT'XE <br /> Minimum Quantitation Limit in Soil : 0 . 005mg/kg <br /> Minimum Quantitation Limit in. Water: 0 .54g/L <br /> :ANALYTE MS/MSD RECOVERY RPD CONTROL LIMIT <br /> -'---- --------------- <br /> .4 -------- <br /> Gasoline 91/84 <br /> 70=3.30 <br /> Benzene : 90/86 5°s 70-130 <br /> Toluene: 97/93 410; 70-130 <br /> Ethyl Benzene : 100/96 4"a 70-130 <br /> ( Total Xylenes : 105/3.02 :. 3°s 70-330 <br /> J Diesel Range : 95/91 - 4I 75-125 <br /> ' Senior Chemi <br /> Certified Laboratories <br />