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Su erior PreCiSion Ana/ iCal, /r7C_ <br /> A member of ESSCCN Environmental Support Service Consortium <br /> I 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: 50396 <br /> Compound Sample SPK Level SPK Result Recovery Limits RPD <br /> conc. % $ $ <br /> For Water Matrix (ug/L) <br /> BB021.19 04 / 05 - Sample Spiked: 50365 - 02 <br /> Gasoline Range ND 180 194/182 108/101 65-135 7 <br /> Benzene ND 10 9.07/8.98 91/90 65-135 1 <br /> Toluene ND 10 9.54/9.33 95/93 65-135 2 <br /> Ethyl Benzene ND 10 9.42/9.28 94/93 65-135 1 <br /> Total Xylenes ND 30 29.4/28.5 98/95 65-135 3 <br /> >> Surrogate Recoveries << <br /> rifluorotoluene (SS) 96/96 50-150 <br /> L finitions: <br /> Not Detected <br /> RL = Reporting Limit <br /> rp <br /> = Not Analysed <br /> D Relative Percent Difference e <br /> ug/L = parts per billion (ppb) ug/kg = parts per billion (ppb) <br /> g/L = parts per million (ppm) mg/kg = parts per million (ppm) <br /> Page 5 of 5 <br /> Certified Laboratories <br /> 825 Arnold Dr Suite 1 14 1 555 Burke St Unit ( 309 S Cloverdale St Suite 13-24 <br /> Martinez California 94553 San Francisco California 94124 Seattle Washington 981 08 <br /> rr,I ni 779 i ,;t 7 / fpx rS 101 77c)-1 576 14 1 SI 647-7081 / fax 14 1 51 87 1-7 1 73 (7061 7r,� 2992 / fax f7061 763-8429 <br />