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Superior /'recision Analytical, /nc_ R <br /> A member of ESSCON Environmental Support Service Consortium <br /> i <br /> i <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. 30785 <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 <br /> Minimum Quantitation Limit in Water. 0 5ug/L <br /> ANALYTE MS/MSD RECOVERY RPD CONTROL LIMIT <br /> Gasoline 104/100 4% 56-117 <br /> Benzene: 72/77 70 59-149 <br /> Toluene. 81/87 70 59-149 <br /> Ethyl Benzene 85/91 7a 59-149 <br /> Total Xylenes 88/95 8°s 59-149 <br /> Certified lagera rs <br /> 825 Arnold Dr, Suite 1 14 1 555 Burke St Unit I 309 S Cloverdale St Suite B-24 <br /> Martinez California 94553 San Francisco California 94124 Seattle Washington 98108 <br />