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Superior Precisior7 j"al tics/, Inc. <br /> 825 Arnold Drive Suite 1 14 - Martinez California 94553 - (510) 229 1512 /fax (510) 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: 87209 <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 5520F: <br /> Min1mum Detection Limit in Water: 5000ug/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 8015/5030 Total Purgable Petroleum Hydrocarbgns: <br /> Minimum Quantitation Limit for Gasoline in Water: 50ug/LJ <br /> A $W-846 Method 8020/BTXE <br /> Minimum Quantitation Limit in Water: 0 .5ug/L,/ <br /> ANALYTE-------- <br /> SPIKE LEVEL MS/MSD RECOVERY RPD CONTROL LIMIT <br /> Gasoline: 200 ng 90/93 3% 70-130 <br /> Benzene: 200 ng 83/85 2% 70-130 <br /> Toluene: 200 ng 90/93 3% 70-130 <br /> Ethyl Benzene: 200 ng 96/100 4% 70-130 <br /> Xylenes : 200 ng 94/97 3% 70-130 <br /> Richard Srna, Ph.D. <br /> • ZU <br /> f.E'hb_o'r'ator_ y-Direct <br /> Certified Laboratories <br />