Laserfiche WebLink
Sequoia 1551 Industrial Road <br /> San Carlos, CA 94070-4111 <br /> (650)232-9600 <br /> Analytical <br /> FAX(650) 232-9612 <br /> c ttler-Ryan/Geostrategies(1) Project: Tosco(1) Sampled: 5/20/99 <br /> 6747 Sierra Court,Suite D Project Number: Unocal SS#11195 Received: 5120199 <br /> Dublin,CA 94568 Project Manager: Deanna Harding Reported: 613199 <br /> To.#al Purgeable Hydrocarbons(C6-C.12),BTEX and MTBE by DHS LUFT/Quality Control <br /> Sequoia Analytical-San Carlos <br /> Date Spike Sample QC Reporting Limit Recov. RPD RPD <br /> Analyte Analyzed Level Result Result Units Recov.Limits % Limit % Notes* <br /> Batch: 9050116 Date Prepared: 5/26/99 Extraction Method: EPA 5030BIP/Tl <br /> Blank 9050116-BLK1 <br /> Purgeable Hydrocarbons as Gasoline 5/26199 ND ugA 50.0 <br /> Benzene " ND " 0.500 <br /> Toluene ND 0.500 <br /> Ethylbenzene ND 0.500 <br /> Xylenes(total) ND 0.500 <br /> Methyl tert-butyl ether ND 5.00 _ <br /> Surrogate: a,a,a-Trifluorotoluene 10.0 11.6 70.0-130 116 <br /> LCS 9050116-BS1 <br /> Purgeable Hydrocarbons as Gasoline 5/26/99 250 _ 259 ug/l 70.0-130 104 <br /> Surrogate: a,a,a-Tris luorotoluene 1110.0 18.6 " 70.0-130 186 1 <br /> Matrix Spike 9050116-MSI L905441-07 <br /> Purgeable Hydrocarbons as Gasoline 5/26/99 250 ND _ 247 ug/l 60.0-140 98.8 <br /> ogate. a,a,a-Mfluorotoluene 10.0 16.4 70.0-130 164 1 <br /> Matrix Spike DuQ 9050116-MSD1 L905441-07 <br /> Purgeable Hydrocarbons as Gasoline 5126/99 250 ND 261 ug/1 60.0-140 104 25.0 5.13 <br /> Surrogate: a,a,a-Trifluorotoluene " 10.0 16.1 " 70.0-130 161 1 <br /> Batch: 9050117 Date Prepared: 5/26/99 Extraction Method: EPA 5030B 1P/Tl <br /> Blank 9050117-BLKI <br /> Purgeable Hydrocarbons as Gasoline 5126/99 ND ug/l 50.0 <br /> Benzene ND 0.500 <br /> Toluene ND 0.500 <br /> Ethylbenzene ND 0.500 <br /> Xylenes(total) ND 0.500 <br /> Methyl tert-butyl ether ND 5.00 <br /> Surrogate: a,a,a-Triuorotoluene 10.0 9.30 70.0-130 93.0 <br /> LCS 9050117-BS1 <br /> Purgeable Hydrocarbons as Gasoline 5/26199 250 237 ug/l 70.0-130 94.8 <br /> Surrogate: a,a,a-Tris luorotoluene 11 10.0 8.08 70.0-130 80.8 <br /> Matrix Spike 9050117-MS1 L905462-12 <br /> Purgeable Hydrocarbons as Gasoline 5/26/99 250 ND 241 ug/1 60.0-140 96.4 <br /> Surrogate: a,a,a-Triuorotoluene " 10.0 7.53 " 70.0-130 75.3 <br /> Matrix Spike Dup 9050117-MSDI L905462-12 <br /> Purgeable Hydrocarbons as Gasoline 5/26/99 250 ND 243 ug/l 60.0-140 97.2 25.0 0.826 <br /> �oia Analytical-San Carlos *Refer to end of report for text of notes and definitions. <br /> Page 13 of 19 <br />