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Superior Precision Analytical, lnc. <br /> A member of ESSCON Environmental Support Service Consortium + <br /> * <br /> ine Tech Services Project 950601-D1 <br /> to Jim Keller Reported on June 16, 1995 <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 /> LAB ID Sample ID Matrix Dil Factor Moisture <br /> 81770-01 MW-1 Water 20 0 - <br /> 81770-02 MW-2 Water 10 0 - <br /> 81770-03 MW-3 Water 1 0 - <br /> 81770-04 MW-4 Water 1 0 - <br /> R E S U L T S O F A N A L Y S I S <br /> Compound 81770-01 81770-02 81770-03 81770-04 <br /> Conc RL Conc RL Conc RL Conc RL <br /> ug/L ug/L ug/L ug/L <br /> Gasoline,Range 27000 1000 5400 500 ND 50 ND 50 <br /> Benzene 4100 10 340 5 0 ND 0 5 ND 0 5 <br /> Toluene 300 10 6 3 5 0 ND 0 5 ND 0 5 <br /> Ethyl Benzene 1800 10 750 5 0 ND 0 5 ND 0 5 <br /> 0tal Xylenes 4000 10 390 5 0 ND 0 5 1 3 0 5 <br /> » Surrogate Recoveries (g) << <br /> Trifluorotoluene (SS) 127 127 102 102 <br /> Page 2 of 6 <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 /> (510E 229-1512 / fax (5 101229-1 526 (415) 647-2081 / fax (4 1 5) 821-7 123 (206) 763-2992 / fax (2061 713-8429 <br />