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4DSequoia 819 Striker Avenue,Suite 8 <br /> e.i Sacramento.CA 95834 <br /> 4 (916)921-9600 <br /> �„�� Analytical FAX(916)921-0100 <br /> Cambria Environmental Project: Equilon 440 W Charter Way,Stockton Sampled: 6/25/99 <br /> 270 Perkins Street Project Number: 88870583 Received: 6/25/99 <br /> Sonoma,CA 95476 Protect Manager: Wayne Chiu Reported: 6/29,7/8-9/99 <br /> Total Purgeable Hydrocarbons(C6-C12) and BTEX by DHS LUFT <br /> Sequoia Analytical-Sacramento <br /> Batch Date Date Surrogate Reporting <br /> Analyte Number Prepared Analyzed Limits Limit Result Units Notes* <br /> DNE-3.51 S906417-01 SDR <br /> Purgeable Hydrocarbons 9060383 6/25/99 6/25/99 1.00 ND mg/kg <br /> Benzene 0.00500 ND " <br /> Toluene 0.00500 ND " <br /> Ethylbenzene 0.00500 ND <br /> Xylenes(total) 0.00500 0.0277 <br /> Surrogate: a,a,a-Trifluorotoluene 60.0-140 92.0 % <br /> DSE-4' S906417-02 SAW <br /> Purgeable Hydrocarbons 9060383 6/25/99 6/25/99 10.0 35.7 mg/kg I,D <br /> Benzene 0.0500 ND D <br /> Toluene 0.0500 0.0558 D <br /> Ethylbenzene 0.0500 0.251 D <br /> Xylenes(total) 0.0500 3.34 D <br /> Surrogate: a,a,a-Tris luorotoluene 60.0-140 93.5 % <br /> DN W-3' S906417-03 S 4i1 <br /> Purgeable Hydrocarbons 9060383 6/25/99 6/25/99 1.00 25.5 m(%kg 1 <br /> Benzene 0.00500 N D " <br /> Toluene 0.00500 0.0292 " <br /> Ethylbenzene 0.00500 0.116 " <br /> Xylenes(total) 0.00500 1.90 " <br /> Surrogate: a,a,a-Trifluorotoluene 60.0-140 90.5 % <br /> DSW-3, S906417-04 S9.i1 <br /> Purgeable Hydrocarbons 9060408 6/28/99 6/28/99 1.00 1.30 mg kg 2 <br /> Benzene 0.00500 ND " <br /> Toluene 0.00500 0.0337 " <br /> Ethylbenzene 0.00500 0.0155 " <br /> Xylenes(total) 0.00500 0.0993 " <br /> Surrogate: a,a,a-Triuorotoluene 60.0-140 84.0 % <br /> PLE1-5' S906417-05 Soil <br /> Purgeable Hydrocarbons 9060383 6/25/99 6/25/99 1.00 ND mg/kg <br /> Benzene 0.00500 0.0164 <br /> Toluene 0.00500 0.0443 " <br /> Ethylbenzene 0.00500 ND " <br /> Xylenes(total) 0._00500 0.0423 " <br /> Surrogate: a,a,a-Tris luorotoluene 60.0-140 91.5 % <br /> PLE2_4' S906417-06 Soil <br /> Purgeable Hydrocarbons 9060383 6/25/99 6/25/99 1.00 ND mg/kg <br /> Sequoia Analytical-Sacramento *Refer to end of report for text of notes and definitions. <br /> Page 2 of 18 <br />