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0 E C 2 4 1992 <br /> Superior precision .Analytical, Inc. <br /> $ '5 Arnold Drive SL11tC 1 14 n, r E_ _0IIfor no 94553 ■ (5 101 229 15 12 1 f {t (,)1 o1 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 INFORMA'T'ION <br /> SET 87409 <br /> NA = ANALYSIS NOT REQUESTED <br /> ND = ANALYSIS NOT DETECTED ABOVE QUANTITATION LIMIT <br /> ug/L = parts per billion (ppb) <br /> OIL AND GREASE ANALYSIS By Standard Methods Method 552OF <br /> Minimum Detection Limit in Water 50ooug/L <br /> Modified EPA SW-846 Method 8015 for Extractable Hydrocarbons <br /> Minimum Quantitation Limit for Diesel in Water 50ug/L <br /> EPA SW-846 Method 8013L1t Total <br /> it foruGasolinePetroleum <br /> WaterHydrocarbons <br /> Minimum Quantitation <br /> EPA SW-846 Method 8020/BTXE <br /> Minimum Quantitation Limit in Water 0 5ug/L <br /> ANALYTE SPIKE LEVEL MS/MSD-RECOVERY RPD CONTROL-LIMIT <br /> 200 ng 105/99 6t 70-130 <br /> Gasoline . 96/96 0%S 70-130 <br /> Benzene 200 ng 1% 70-130 <br /> Toluene 200 ng 95/94 <br /> 200 ng 100/98 2% 70-130 <br /> Ethyl Benzene � 70-130 <br /> Xylenes - 600 ng 99/96 3 <br /> Ric and Srna h <br /> • a orato y Director <br /> Certified Laboratories <br />