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"nalysis Report <br /> Lancaster Laboratories <br /> Where quality is a science. <br /> Page I of I <br /> Lancaster Laboratories Sample No. SW 3711786 <br /> Collected:10/16/2001 09:15 by EG Account Number: 10669 <br /> Submitted: 10/20/2001 11:00 Chevron Products Company <br /> Reported: 10/31/2001 at 17:10 6001 Bollinger Canyon Rd <br /> Discard: 12/01/2001 Building L, PO Box 6004 <br /> MW-3-S-15-011016 Grab Soil San Ramon CA 94583-0904 <br /> Facility# 200764 SIRC <br /> 4747 N. West Ln Stockton NA NA <br /> 3S15- <br /> AS Received <br /> CAT As Received Method Dilution <br /> No. Analysis Name CAS Number Result Detection Units Factor <br /> Limit <br /> 01725 TPH-GRO N. California (soils) n.a. N.D. 1.0 mg/kg 25 <br /> The reported concentration of TPH-GRO does not include MTBE or other <br /> gasoline constituents eluting prior to the C6 (n-hexane) TPH-GRO range <br /> start time. <br /> • The analysis for volatiles was performed on a sample which was preserved <br /> in methanol. The reporting limits were adjusted appropriately. <br /> 02304 UST-Onleaded Soils by 8260B <br /> 02016 Methyl t-butyl ether 1634-04-4 N.D. 1. ug/kg 1 <br /> 05460 Benzene 71-43-2 N.D. 1. ug/kg 1 <br /> 05466 Toluene 108-86-3 N.D. 1. ug/kg 1 <br /> 05474 Ethylbenzene 100-41-4 N.D. 1. ug/kg 1 <br /> 06301 Xylene (Total) 1330-20-7 N.D. 1. ug/kg 1 <br /> A poor surrogate recovery was observed for the GC/MS volatile fraction. <br /> The analysis was repeated and a poor surrogate recovery was again observed <br /> indicating a significant matrix effect. <br /> State of California Lab Certification No. 2116 <br /> Laboratory Chronicle <br /> CAT Analysis Dilution <br /> No. Analysis Name Method Trial# Date and Time Analyst Factor <br /> 01725 TPH-GRO N. California N. Calif. LUFT 1 10/25/2001 03:56 Steven A. Skiles 25 <br /> (soils) Gasoline method <br /> 02304 UST-Unleaded Soils by SW-846 82608 1 10/24/2001 18:50 Lawrence M. Taylor 1 <br /> 8260B <br /> 00374 GC/MS VOA Soil Prep SW-846 5030A 1 10/24/2001 15:10 Lawrence M. Taylor n.a. <br /> 01150 GC VOA Soil Prep SW-846 5035 1 10/24/2001 01:45 Stephanie A. Selis n.a. <br /> • <br /> Lancaster Laboratories,Inc. <br /> M E M B E R 2425 New Holland Pike <br /> ® PO Box 12425 <br /> Lancaster, 77605-2425 <br /> 717-656-2300 fax:717-656-2681 2216 Rev.9/it/00 <br />