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a, <br /> O Superior Precision Analytical, Inc. <br /> A member of ESSCON Environmental Support Service Consortium <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: 15932 <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 /> Minimum 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 Hydrocarbons: <br /> Minimum Quantitation Limit for Gasoline in Water: 50ug/L <br /> EPA SW-846 Method 8020/BTXE u <br /> Minimum Quantitation Limit in Water: 0. 5 g/L <br /> ANALYTE MS/MSD-RECOVERY RPD CONTROL LIMIT <br /> 15% 56-117 <br /> Benzene: LIMIT <br /> --------------- - <br /> Gasoline Range: 122/96 24� 59-149 Toluene: 123/97 24� 59-149 <br /> 87 23% 59-149 <br /> 7 <br /> Ethyl Benzene: 110/87 <br /> 24$ 59-149 <br /> Total Xylenes: / <br /> Sn r emist <br /> kAcc n Manager <br /> Certified Laboratories <br /> 825 Arnold Dr Suite 1 14 1555 Burke St Unit 1 309 S Cloverdale St , Suite B-24 <br /> Martinez California 94553 San Francisco California 94124 Seattle Washington 98108 <br /> (510) 229-1512 /fax (510) 229-1526 14151647-2081 /fax (415) 821-7123 (206} 763-2992 /fax (206) 763-8429- - <br />