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s <br /> Superior PreciSio17 .A/7a/ytiCa/, /r7C. <br /> A member of ESSCON Environmental Support Service Consortium <br /> • Total Petroleum Hydrocarbons - Gasoline, Benzene, Toluene, Ethyl-benzene, and Xylenes <br /> By EPA SW-846 Methods 8015M/8020 <br /> Quality Assurance and Control Data <br /> Laboratory Number 70265 <br /> Sample Duplicates <br /> QC Batch BC141 37-04 <br /> Sample 70265-03 <br /> ug/L DUP RPD Limit <br /> Gasoline_Range ND ND 0 25 <br /> Benzene ND ND 0 25 <br /> Toluene ND ND 0 25 <br /> Ethyl Benzene ND ND 0 25 <br /> Total Xylenes ND ND 0 25 <br /> >> Surrogate Recoveries M << <br /> Trifluorotoluene (SS) 89 <br /> • <br /> • Page 7 of 8 <br /> Certified Laboratories <br /> 825 Arnold Dr Suite 1 14 1 555 Burke St Unit f 309 S Cloverdale St Suite 13-24 <br /> Mart)ne2 California 94553 San Francisco California 94124 Seattle Washington 98108 <br /> (510) 229-1512 / fax (510) 229-1526 (415) 647-2081 / fax (4 15) 821-7123 (206) 763-2992 / fax (206) 763-8429 <br />