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MOM <br /> SUPERiOR ANALYTICAL LABORATORIES, INC. <br /> 825 ARNOLD.S T E. 114 • MARTINEZ,CALIFORNIA 94553 -(415) 229.1512 DOHS #1319 <br /> C E R T I F I C A T E O F A N A L Y S I 6 <br /> ANALYSIS FOR TOTAL PETROLEUM HYDROCARBONS <br /> Page 2 of 2 <br /> :. <br /> QA/QC <br /> ET <br /> KA _ ANALYSIS NOT REQUESTED <br /> NO = ANALYSIS NOT DETECTED ABOVE QUANTITATION LIMIT <br /> ug/l = 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 Method 8015 for Extractable Hydrocarbons: <br /> Minimum Quantitation Limit for Diesel in Water: 50ug/l <br /> Standard Reference: NA' <br /> EPA--SW846 Method 8015/5030 Total Purgable Petroleum Hydrocarbons: <br /> Minimum Quantitation Limit for Gasoline in Water: 50ug/l <br /> Standard Reference: 06/26/91 <br /> SW-846 Method 8020/BTXE <br /> Minimum Quantitation Limit in Water: 0.5ug/l <br /> Standard Reference: 07/08/91 <br /> ANALYTE REFERENCE SPIKE LEVEL MS/MSD RECOVERY RPD CONTROL LIMIT <br /> Oil 6 Grease NA NA NA NA NA <br /> Diesel NA NA NA NIANA <br /> Gasoline 06/26/91 200 ng 73/73 0 70-130 <br /> Benzene 07/08/91 200 ng 83/83 1 70-130 <br /> Toluene 07/08/91 200 ng 84/83 1 70-130 <br /> Ethyl Benzene 07/06/91 200 ng 88/87 2 70-130 <br /> Total Xylene 07/08/91 200 ng 83/81 2 70-130 <br /> �.� Laboratory Director <br /> OUTSTANDING QUALITY AND SERVICE <br />