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Lancaster Laboratories Analysis Report 2425 New Holland Pike,PO Box 12425,Lancaster,PA 17605-2425-717-656-2300 Fax:717-656-2681•www.larcasterIabs.com Page 1 of 2 Lancaster Laboratories Sample No. WW5599734 Group No. 1132170 MW-3-W-090211 Unspiked Grab Water US Can - Welty Road SAIC 35275 Welty Rd-Vernalis,CA SL0607746470 MW-3 Collected:02/11/2009 12:00 by AS Account Number: 11413 Submitted: 02/13/2009 09:15 Chevron Environmental Mgt. Co. Reported: 02/26/2009 at 14:46 6111 Bollinger Canyon Rd Discard: 03/29/2009 BR1Y3432 San Ramon CA 94583 WELM3 SDG#: OVW12-02BKG As Received CAT As Received Program Dilution No. Analysis Name CAS Number Result RL Units Factor 06912 TPH-DRO water C10-C25 n.a. 3,000 50 ug/1 1 The observed sample pattern includes #2 fuel/diesel and an additional pattern which elutes later in the DRO range. 06913 TPH-DRO water C10-C25 w/Si Gel n.a. 1,800 50 ug/1 1 The LCS recovery for DRO is outside the QC limits. The sample surrogate data is outside the QC limits. Results from the reextraction are within the limits. The hold time had expired prior to the reextraction so all results are reported from the original extract. The DRO result for the reextraction is 6,100 ug/1. The observed sample pattern is not typical of #2 fuel/diesel. It elutes in the DRO range later than #2 fuel. 06570 PAHs in Water by LVI GC/MS 06576 Naphthalene 91-20-3 N.D. # 0.30 ug/l 100 06579 Acenaphthylene 208-96-8 N.D. # 0.20 ug/l 100 06580 Acenaphthene 83-32-9 N.D. # 0.30 ug/l 100 06581 Fluorene 86-73-7 N.D. # 0.30 ug/1 100 06582 Phenanthrene 85-01-8 0.39 0.30 ug/l 100 06583 Anthracene 120-12-7 N.D. # 0.30 ug/l 100 06584 Fluoranthene 206-44-0 0.42 0.30 ug/l 100 06585 Pyrene 129-00-0 1.8 0.30 ug/1 100 06586 Benzo(a)anthracene 56-55-3 N.D. # 0.30 ug/l 100 06587 Chrysene 218-01-9 0.97 0.20 ug/l 100 06588 Benzo(b)fluoranthene 205-99-2 N.D. # 0.30 ug/l 100 06589 Benzo(k)fluoranthene 207-08-9 N.D. # 0.30 ug/1 100 06590 Benzo(a)pyrene 50-32-8 N.D. # 0.30 ug/l 100 06591 Indeno(1,2,3-cd)pyrene 193-39-5 N.D. # 0.40 ug/l 100 06592 Dibenz(a,h)anthracene 53-70-3 N.D. # 0.30 ug/l 100 06593 Benzo(g,h,i)perylene 191-24-2 N.D. # 0.40 ug/1 100 Due to the sample matrix an initial dilution was necessary to perform the analysis. Therefore, the reporting limits for the GC/MS semivolatile compounds were raised. State of California Lab Certification No. 2116 All QC is compliant unless otherwise noted. Please refer to the Quality Control Summary for overall QC performance data and associated samples. #=Laboratory MethodDetection Limit exceeded target detection limit N.D.=Not detected at or above the Reporting Limit.