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n e <br /> ` SUPERIOR ANALYTICAL LABORATORY, INC. <br /> 1555 BURKE. UNIT I-SAN FRANCISCO. CA 94124 • PHONE (415) 647-2081 DHS 1:1332 <br /> C E R T I F I C A T E O F A N A L Y S T S <br /> ANALYSIS FOR TOTAL PETROLEUM HYDROCARBONS <br /> Page 2 of 2 <br /> QA/QC INFORMATION <br /> SET: 1!716 <br /> NTA = ANALYSIS NOT REQUESTED <br /> ND = ANALYSIS NOT DETECTED ABOVE QUANTITATION LIMIT <br /> ug/1 = Part per billion (ppb) <br /> OIL AND GREASE ANALYSIS By Standard Methods Method 503E: <br /> Minimum Detection Limit in Water: 5000ug/L <br /> Modified EPA-SW846 Nethod 8015 for Extractable Hydrocarbons: <br /> Minimum Quantitation Limit for Diesel in Water: 50ug/1 <br /> Standard Reference: NA <br /> EPA-SW846 Method 8015/5030 Total Pur,-,able Petroleum Hydrocarbons; <br /> Minimum Quantitation Limit'or Gasoline in Fater: 50ug/1 <br /> `-� Standard Reference: 08/2.1/SD <br /> SW-846 Method 8020/ETXE <br /> Minimum Quantitation Limit. in Water: 0.5ug/l <br /> Stai.dard Reference: 04/09/91 <br /> ANALYTE REFERENCE SPIKE LEVEL MS/?SSD RECOVERY RPD CONTROL LI*IIT <br /> w ---- --------- ----------- --------------- --- ------------- ! <br /> Oil & Grease NA NA NA NA NA <br /> Diesel NA NA NA NA NA <br /> Gasoline 08/24/90 200ng 93%96 3 63-111 <br /> Benzene 04/09/91 200ng 88/86 2 <br /> Toluene . 04/09/91 200ng 90/86 3'. 70-116 <br /> Ethyl Benzene 04/09/91 200ng 92/90 2 73-119 <br /> Total 3 -Nlene 04/09/91 600ng 92/90 2 71-118 <br /> Richard Srna, Ph.D. <br /> ✓' Labora or D' rector <br /> �' OUTSTANDING QUALITY AND SERVICE <br />