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fl f <br /> Superior Precision Analytica/, /nc- <br /> 155 ; <br /> _15„ Burkc J art I ■ San Francisco Cahfornfa 9y 124 ■ (4 15) 647 2081 / fax (4 1 5) 821 7 123 <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: 14170 <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: 81/92 13% 76-111 <br /> Benzene: 84/84 0% 78-110 <br /> Toluene: 85/93 9% 78-111 <br /> Ethyl Benzene: 84/92 9%, 78-118 <br /> Xylenes: 76/82 8% 73-113 <br /> Richard s na, Ph. D. <br /> Laboratory lljrctor <br /> Cert,fiecd L,iboratories <br />