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Superior Precislar7 Analytical. /r7c- <br /> A member of ESSCON Environmental Support Service Consortium <br /> Gasoline Range Petroleum Hydrocarbons and BTXE <br /> by EPA SW-846 5030/8015M/8020 <br /> Gasoline Range quantitated as all compounds from C6-C10 <br /> Quality Assurance and Control Data <br /> Laboratory Number: 50549 <br /> Method Blank(s) <br /> BC031.20-01 <br /> Conc. RL <br /> ug/L <br /> Gasoline Range ND 50 <br /> Benzene ND 0. 5 <br /> Toluene ND 0. 5 <br /> Ethyl Benzene ND 0. 5 <br /> Total Xylenes ND 0.5 <br /> >> Surrogate Recoveries (%) <br /> Trifluorotoluene (SS) 75 <br /> i <br /> Page 3 of 4 <br /> Certified Laboratories <br /> 825 Arnold Dr Suite 1 14 1 555 Burke St Unit 1 309 S Cloverdale St Suite B-24 <br /> Martinez California 94553 San Francisco California 94124 Seattle Washington 98108 <br /> (5101229-1512 / fax (510) 229-1526 f4 15) 647-2081 / fax (415) 821-7123 (206) 763-2992 / fax (206) 763-8429 <br />