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Superior PreChViorn , J7,&Iytica/, /nc. <br /> A member of ESSCON Environmental Support Service Consortium <br /> • <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 80528 <br /> Compound Sample SPK Level SPK Result Recovery Limits RFD <br /> cone $ <br /> For Water Matrix (ug/L) <br /> BB061 04 02 / 03 - Sample Spiked 80528 - 02 <br /> Gasoline_Range ND 320 321/300 100/94 65-135 6 <br /> Benzene ND 20 20 3/22 5 102/113 65-135 10 <br /> Toluene ND 20 20 8/22 7 104/114 65-135 9 <br /> Ethyl Benzene ND 20 21 0/22 7 105/114 65-135 8 <br /> Total Xylenes ND 60 62 9/68 7 105/115 65-135 9 <br /> >> Surrogate Recoveries << <br /> 6Ifluorotoluene (SS) 99/104 50-150 <br /> Definitions <br /> ND = Not Detected <br /> RL _ Reporting Limit <br /> NA = Not Analysed <br /> RPD = Relative Percent Difference <br /> ug/L = parts per billion (ppb) <br />'ng/L = parts per million ( m) ug/kg = Parts per billion (ppb) <br /> pp mg/kg parts per million (ppm) <br /> 10 <br /> Page 5 of 5 <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 /> (510) 229-1512 /fax (510) 229-1526 (415) 647-2081 /fax (41 S1 821-7123 (206) 763-2992 / fax (206) 763-8429 <br />