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:a <br /> 1 Superior precision _Ana6ltic.1 <br /> 825,4rn-- --- --;.uqe 114 • Marnnez. California 94553 • t510)229-1512/fax t510J 229-1526 <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 INFORMATION <br /> SET: 85292 <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 5s20F: <br /> Minimum Detection Limit in Water: 5000ug/ls <br /> Modified EPA-SW846 Method 8015 for E%tractable 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: 10/04/91 <br /> S9;'-846 Method 8020/BTXE <br /> Minimum Quantitation Limit in Water: 0.5u.-/L <br /> Standard Reference: 10/11/91 <br /> _ANALYTE REFERENCE SPIKELEVELMS/,NJSD RECOVERY RPD CONTROL LIMIT <br /> Oil & Grease NA NA \'A NA X <br /> Diesel NA NA ``'A NA NA <br /> Gasoline 03/03/92 200 n; 93/94 1 70-130 <br /> Benzene 02/26/92 200 n-, 107/103 4 70-130 <br /> Toluene 02/26/92 200 ng 103/99 4 70-130 <br /> Ethyl Benzene 02/26/92 200 ng 100/97 3 <br /> Xylene 02 26 '92 2 4 TO-13D <br /> Total X <br /> y / i 00 n 112/108 4 70-130 <br /> Richard�Srfna, Ph.D. <br /> E_nboratory Director j <br /> Ce'rUfiCd[.�bor�IorrCS <br /> i <br />