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• <br />Lancaster Laboratories <br />Where quality is a science. <br />Lancaster Laboratories Sample No. WK 3869045 <br />Collected:07/30/2002 10:30 by TC <br />Submitted: 08/01/2002 09:40 <br />Reported: 08/15/2002 at 15:41 <br />Discard: 09/15/2002 <br />EX -1-W-020730 Grab Water <br />Facility# 95775 Job# 386408 GRD <br />301 W Kettleman-Lodi 70607700839 EX -1 <br />WKLE1 <br />Pagel of 2 <br />Account Number: 10906 <br />ChevronTexaco <br />6001 Bollinger Canyon Rd L4310 <br />San Ramon CA 94583 <br />#=Laboratory MethodDetection Limit exceeded target detection limit <br />N.D.=Not det.pOid j, E vov a cas r Lab ratoA&M <br />PO Box 12425FIt <br />®Lancaster, PA 17605-2425 <br />717-656-2300 Fax: 717-656-2681 2216 Rev. 9/11100 <br />IL - <br />As Received <br />CAT <br />As Received <br />Method <br />Dilution <br />No. <br />Analysis No <br />CAB Number <br />Result <br />Detection <br />Units <br />Factor <br />Limit <br />01728 <br />TPH-GRO - Waters <br />n.a. <br />1,400. <br />250. <br />ug/l <br />5 <br />The reported concentration of <br />TPH-GRO does not <br />include MTBE or <br />other <br />gasoline constituents eluting <br />prior to the C6 <br />(n -hexane) TPH-GRO range <br />start time. <br />A site-specific MSD sample was <br />not submitted for <br />the project. A LCS/LCSD <br />was performed to demonstrate precision <br />and accuracy at a batch <br />level. <br />01412 <br />Methanol and Ethanol <br />01414 <br />Methanol (by Direct Injection) <br />67-56-1 <br />N.D. <br />1,000. <br />ug/l <br />1 <br />01594 <br />BTEX + Oxygenates by 8260B <br />01587 <br />Ethanol <br />64-17-5 <br />N.D. <br />500. <br />ug/l <br />10 <br />02010 <br />Methyl t -butyl ether <br />1634-04-4 <br />15,000. <br />50. <br />ug/1 <br />100 <br />02011 <br />di -Isopropyl ether <br />108-20-3 <br />N.D. # <br />5.0 <br />ug/l <br />10 <br />02013 <br />Ethyl t -butyl ether <br />637-92-3 <br />560. <br />5.0 <br />ug/l <br />10 <br />02014 <br />t -Amyl methyl ether <br />994-05-8 <br />160. <br />5.0 <br />ug/1 <br />10 <br />02015 <br />t -Butyl alcohol <br />75-65-0 <br />410. <br />100. <br />ug/l <br />10 <br />05401 <br />Benzene <br />71-43-2 <br />N.D. # <br />5.0 <br />ug/l <br />10 <br />05402 <br />1,2-Dichloroethane <br />107-06-2 <br />N.D. # <br />5.0 <br />ug/l <br />10 <br />05407 <br />Toluene <br />108-88-3 <br />N.D. # <br />5.0. <br />ug/l <br />10 <br />05412 <br />1,2-Dibromoethane <br />106-93-4 <br />N.D. # <br />5.0 <br />ug/l <br />10 <br />05415 <br />Ethylbenzene <br />100-41-4 <br />N.D. # <br />5.0 <br />ug/l <br />10 <br />06310 <br />Xylene (Total) <br />1330-20-7 <br />N.D. # <br />5.0 <br />ug/1 <br />10 <br />A site-specific MSD sample was <br />not submitted for the project. A LCS/LCSD <br />was performed to demonstrate precision and accuracy at a batch <br />level. <br />The reporting limits for the GC/MS volatile compounds were raised <br />because sample dilution was necessary to bring <br />target compounds <br />into the <br />calibration range of the system.' <br />State of California Lab Certification <br />No. 2116 <br />#=Laboratory MethodDetection Limit exceeded target detection limit <br />N.D.=Not det.pOid j, E vov a cas r Lab ratoA&M <br />PO Box 12425FIt <br />®Lancaster, PA 17605-2425 <br />717-656-2300 Fax: 717-656-2681 2216 Rev. 9/11100 <br />IL - <br />