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Sequoia 1455 McDowell Blvd North Ste D <br /> ' Petaluma CA 94954 <br /> (707)792-1865 <br /> qQF Analytical <br /> FAX equo labsc42 <br /> www sequoialabs com <br /> 0 <br /> Cambria Environmental Project Equiva Sampled 3/27/00 to 3/30/00 <br /> 270 Perkins St Project Number 620 W Charter,Stockton Received 3/31/00 <br /> Sonoma,CA 95476 Pro ect Manager Aubrey Cool Reported 4/17/00 <br /> Total Petroleum Hydrocarbons as Gasoline and BTEX by EPA 8015M/8020M <br /> Sequoia Analytical=Petaluma <br /> Batch Date Date Surrogate Reporting <br /> Analyte Number Prepared Analyzed Lirruts Limit Result Units Notes* <br /> CPT-3W-30'(continued) P004023-39 Water <br /> Surrogate a,a a-Trifluorotoluene 0040114 416/00 4/6100 650-135 107 % <br /> Surrogate 4-Bromofluorobenzene 650-135 98 7 11 <br /> CPT-3W49' P004023-40 Water <br /> Gasoline 0040114 4/6/00 4/6/00 250 2530 ug/l <br /> Benzene 250 517 " <br /> Toluene 250 25 4 1 <br /> Ethylbenzene 250 227 " <br /> Xylenes(total) 250 113 " <br /> Methyl tert-butyl ether 125 177 1 <br /> Surrogate a a,a-Trifluorotoluene 650-135 103 % <br /> Surrogate 4-Bromofluorobenzene 650-135 943 If <br /> CPT-3W-65' P004023-41 Water <br /> Gasoline 0040114 4/6/00 416100 250 1590 ug/1 <br /> Benzene 250 379 " <br /> Toluene 250 3 81 " <br /> Ethylbenzene 250 898 " <br /> Xylenes(total) 2 50 272 " <br /> Methyl tert=butyl ether 12 5 NE " <br /> Surrogate a a a-Tri luorotoluene 650-135 106 % <br /> Surrogate 4-Bromofluorobenzene " " " 650-135 101 " <br /> CPT-3W-74' P004023-42 Water <br /> Gasoline 0040114 4/6100 4/6/00 500 19900 ug/1 <br /> Benzene 500 2940 " <br /> Toluene Soo 541 " <br /> Etbylbenzene " 500 1180 " <br /> Xylenes(total) 5 00 282 " <br /> Methyl tert-butyl ether 25 0 345 1 <br /> Surrogate a a a-Trifluorotoluene " " " 650-135 111 % <br /> Surrogate 4-Bromofluorobenzene " " " 650-135 101 " <br /> CPT-3W-83' P00402343 Water <br /> Gasoline 0040114 416100 4/7/00 500 ND ug/l <br /> Benzene " " " 0 500 231 " <br /> Toluene 0 500 ND " <br /> Ethylbenzene 0 500 0 842 " <br /> Xylenes(total) 0 500 0 839 " <br /> Methyl tent-butyl ether 250 ND " <br /> Surrogate a a a-Trifluorotoluene - - " 650-135 108 % . <br /> Sequoia Analytical-Petaluma *Refer to end of report for text of notes and definitions <br /> Page 9 of 22 <br />