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Yom.. �� �_, �. .:_ � `�-��-=�'�=��_- •. `"����,z �__ � _ _ _ r,��.�•s« ��, .� ..- <br /> y1y <br /> it <br /> SUPERIOR ANALYTICAL LABORATORIES, INC. <br /> 825 ARNOLD,$TE. 114 • MARTINEZ.CALIFORNIA 94553 •(415) 229-1512 <br /> DOHS X319 <br /> a DOHS +x220 <br /> C E R T I F I C A T E O F A N A L Y S I S <br /> i <br /> s <br /> ANALYSIS FOR T0TAL PETROLEUM HYDROCARBONS <br /> Page 3 of 3 <br /> QA/QC INFORMATION <br /> SET: 83554 <br /> NA = ANALYSIS NOT REQUESTED <br /> ND = ANALYSIS NOT DETECTED ABOVE QUANTITATION LIMIT <br /> mg/kg = part per million (ppm) <br /> OIL AND GREASE ANALYSIS By Standard Methods Method 503E: <br /> Minimum Detection Limit in Soil: 50mg/kg <br /> Modified EPA-SW846 Method 8035 for Extractable Hydrocarbons: <br /> Minimum Quantitation Limit for Diesel to Soil: lmg/kg <br /> Standard Reference: NA <br /> EPA-SW846 Method 8015/5030 Total Purgable Petroleum Hydrocarbons: <br /> {j Minimum,Quantitation Limit for Gasoline in Soil: lmg/kg <br /> Standard' Reference: 06/26/91 <br /> SW-846 Method 8020/BTXE ` <br /> Minimum Quantitation Limit in Soil: 0.005mg/kg `{ <br /> Standard Reference: 07/08/91 <br /> ANALYTE REFERENCE SPIKE LEVEL MS/MSD RECOVERY RPD CONTROL' LIMIT <br /> 1 - ------ --------- ----------- ---------------- --- ---------- <br /> Oil do Grease NA NA NA NA NA <br /> .rs Diesel NA NA NA NA NA <br /> Gasoline 06/26/91. 200 ng. 98/82 18 70-130 , <br /> Benzene. . 07/08/91 200 ng 91/89 2 70-130 <br /> Toluene: 07/08/91 200 ng 90/85 6 70-130 <br /> Ethyl Benzene 07/08/91 200 ng 93/85 10 70-130 <br /> Total Xylene 07/08/91 200 ng 100/88 12 70-130 <br /> fi <br /> .j <br /> Richard Sir Ph.D. <br /> a orato <br /> OUTSTANDING QUALITY.`AND SERVICE <br />