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i <br /> Sequoia 680 Chesapeake Drive Redwood City CA 94063 (650)364-9600 FAX(650)364-9233 <br /> 404 N Wiget lane Walnut Creek CA 94598 (915)988-9600 FAX(925)988-9673 <br /> Analytical 819 Strike,Avenue Suite 8 Sacramento CA 95834 (916)911-9600 FAX(916)921-0100 <br /> 1455 McDowell Blvd North Ste D Petaluma,CA 94954 (707) 792-1865 FAX(707)792-0342 <br /> 1'F <br /> ATC Associates,Inc Project Farmer Project Sampled 312199 to 313199 <br /> 1 1 l7 Lone Palm Ave Suite B Project Number na Received 3/8/99 <br /> ' Modesto,CA 95351 Project Manager Drew Van Allen Reported 3/15199 <br /> Total Petroleum Hydrocarbons as Gasoline and BTEX by EPA 8015M/8020M/Quality Control <br /> Sequoia Analytical-Petaluma <br /> ' Date Spike Sample QC Reporting Limit Recov RAD RPD <br /> Analyte Analyzed Level Result Result Units Recov Limits % Limit % Note]s- <br /> ' Blank <br /> continued 9030258-BLK1 <br /> Surrogate a a a-Trifluorotoluene 3111199 300 289 ug/kg 963 <br /> Surrogate 4-Broinofluorobenzene " 300 297 990 <br /> ' LCS 9030258-BSl <br /> Gasoline_ _ 3/11/99 2000 _ 2100 ug/kg __ _ 105 <br /> Surrogate 4-Brontofluorobenzene 11300 292 973 <br /> ' Matrix Spike 9030258-MS1 P903283-12 <br /> Gasoline 3/11/99 2000 ND 1890 ug/kg <br /> ' Surrogate 4-Bromofluorobenzene " 300 272 90 7 <br /> Matrix Spike Dua 9030258-MSD1 P903283-12 <br /> Gasoline_ 3/11199 2000 ND 1920 ug/kg 960 _ 1 57 <br /> katch <br /> rrogate 4-Bromofluorobetizene 300 272 11 907 <br /> 9030289 Date Prepared 3112/99, Extraction Method EPA 5030 waters <br /> Blank 9030289-BLKI <br /> Toluene 3/12199 ND ug/l 0 500 <br /> Ethylbenzene ND 0 500 <br /> Xylenes(total) ND 0 500 <br /> ' Surrogate a a a-Trfluorotoluene 300 279 " 93 0 <br /> Surrogate 4-Brontofluorobenzene 300 292 973 <br /> LCS 9030289-BSI <br /> ' Gasoline 3112199 1000 1010 ug/l 101 <br /> Surrogate 4-Bromofluarobenzene " 300 300 100 <br /> ' Matrix Spike 9030289-MSI P903187-01 <br /> Gasoline 3112/99 1000 ND 993 ug/l _ 993 <br /> Surrogate 4-Bromofluorobenzene 300 297 990 <br /> Matrix Spike Dup 9030289-MSDI P903187-01 <br /> Gasoline 3/12/99 1000 ND 991 ug/l 991 _ 0 2_02_ <br /> Surrogate 4-Bromofluorobenzene 300 303 101 <br /> F,-quo,,Analyticai -Petaluma *Refer to end of report for text of notes and definitions <br /> ' Page 7 of 8 <br />