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1 Superior Rrecision Ana/Y tics/ /rnc_ <br /> 16 EI <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: 20119 <br /> 'Compound Sample SPK Level SPK Result Recovery Limits RPD <br /> conc. % % <br /> For Water Matrix (ug/L) <br /> BI151.05 02 / 03 - Sample Spiked: 20116 - 01 <br /> Gasoline_Range ND 320 395/396 123/124 65-135 1 <br /> Benzene ND 20 19.55/20.08 98/100 65-135 2 <br /> oluene ND 20 20.05/20.26 100/101 65-135 1 <br /> Ethyl Benzene ND 20 20.29/20.48 101/102 65-135 1 <br /> ,Total Xylenes ND 60 60.44/60.56 101/101 65-135 0 <br /> >> Surrogate Recoveries (%) << <br /> ifluorotoluene (SS) 89/90 50-150 <br /> finitions: <br /> = Not Detected <br /> RL = Reporting Limit <br /> Not Analysed <br /> D = Relative Percent Difference <br /> ug/L = parts per billion (ppb) ug/kg = parts per billion (ppb) <br /> /L = parts per million (ppm) mg/kg = parts per million (ppm) <br /> Page 5 of 5 <br /> Certified Laboratorres <br /> 825 Arnold Dr Suite 1 14 1 555 Burke St Unit 1 309 S Cloverdale St Suite 8-24 <br /> Martinez Calrfornia 94553 San Francrsco California 94124 Seattle Washington 98108 <br /> (510) 229-15 12 / fax (5 10) 229-1526 (4 15) 647-2081 / fax (4 15) 82 1-7 123 (2061 763-2992 / fax (206) 763-8429 <br />