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Sequoia San Carlos <br /> industrial Road <br /> los CA 94070-4111 <br /> 4 (650) 232-9600 <br /> vo- Analytical FAX (650) 232-9612 <br /> so <br /> Gettler-Ryan/Geostrategies(1) Project Tosco(5) Sampled 11/16/99 <br /> 6747 Sierra Court,Suite D Protect Number Tosco Sta#6981 Received 11/17/99 <br /> Dublin,CA 94568 Project Manager Steve Carter L (� �7 ] • Rep2red <br /> „yam 11/22/99 <br /> wii 5” S a=te H '"R AT-.^ <br /> �Tatal'Purgealite Hydrocarbons(C6-C12);BTEX anawi�'I'rBE� y b Qm tyM, �_`� �� �' <br /> r ri..a ^' e <br /> �—a��'��, .r�`��A�` <br /> Date Spike Sample QC Reporting Limit Recov RPD RPD <br /> Anal e Anal Level Result Result Units Recov Limits % Limit % Notes <br /> Batch 9110129 Date Prepared 11/19/99 Extraction Method _EPA 5030B [PITI <br /> Blank 9110129-BLKI <br /> Purgeable Hydrocarbons as Gasoline 11/19/99 ND ug/1 500 <br /> Benzene 01ND 0 500 <br /> Toluene ND 0 500 <br /> Etbylbenzene ND 0 500 <br /> Xylenes(total) ND tp0 500 <br /> Methyl tert-butyl ether ND r' 500 <br /> Surrogate a,a a-Triuorotoluene 100 945 10700-130 945 <br /> LCS 9110129-BSI <br /> Benzene 11/19/99 100 10 0 ug/l 700-130 100 <br /> Toluene 100 101 700-130 101 <br /> Ethylbenzene 100 101 700-130 101 <br /> ylenes(total) 300 30 4 700-130 101 <br /> 11Wrrogate a,a,a-Trifluororoluene 100 105 700-130 105 <br /> LCS 9110129-BS2 <br /> Purgeable Hydrocarbons as Gasoline 11/19/99 250 240 ug/1 700-130 960 <br /> Surrogate a,a,a-Trifluorotoluene " 100 109 it700-130 109 <br /> Matrix Spike 9110129-MSI L911141-01 <br /> Purgeable Hydrocarbons as Gasoline 11/20/99 250 ND 231 ug/1 600-140 924 <br /> Surrogate a,a,a-Trifluorotoluene 100 982 " 700-130 982 <br /> Matrix Spike Dug) 9110129-MSD1 L911141-01 <br /> Purgeable Hydrocarbons as Gasoline 11/20/99 250 ND 242 ug/1 .600-140 968 250 4 65 <br /> Surrogate a a,a-Trifluorotoluene of 100 105 It 700-130 105 <br /> • <br /> Sequoia Analytical-San Carlos *Refer to end of report for text of notes and definitions <br /> Page 5 of 6 <br />