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1 Lancaster Laboratories <br /> Where quality is a science. <br /> Page 1 of 2 <br /> 1 Lancaster Laboratories Sample No. WW 3832621 <br /> Collected: 06/05/2002 19:20 by RRM Account Number: 10869 <br /> 1 Submitted: 06/08/2002 09:50 ChevronTexaco <br /> Reported: 06/20/2002 at 20:21 6001 Bollinger Canyon Rd L4310 <br /> Discard: 07/21/2002 San Ramon CA 94583 <br /> MW-2-W-020605 NA Water <br /> Facility# 90557 SIRC <br /> 139 S Center St-Stockton T0607700391 MW-2 <br /> I SCS02 <br /> As Received <br /> CAT As Received Method Dilution <br /> No. Analysis Name CAS Number Result Detection units Factor <br /> Limit <br /> 01728 TPH-GRO - waters n.a. 250. 50. ug/l 1 <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 /> A site-specific MSD sample was not submitted for the project. A LCS/LCSD <br /> was performed to demonstrate precision and accuracy at a batch level. <br /> 05553 TPH - DRO CA LUFT (Waters) n.a. 1,800. 130. ug/l 5 <br /> According to the California LUFT Protocol, the quantitation for Diesel <br /> Range Organics was performed by peak area comparison of the sample pattern <br /> to that of our #2 fuel oil reference standard (between C10 and C28 normal <br /> hydrocarbons) . <br /> Site-specific MS/MSD samples were not submitted for the project. A LCS/LCSD <br /> was performed to demonstrate precision and accuracy at a batch level. <br />' 01412 Methanol and Ethanol <br /> 01414 Methanol (by Direct Injection) 67-56-1 N.D. 200. ug/l 1 <br /> I02500 TPH Fuels by GC (waters) <br /> 02501 Total TPH n.a. 1,300. 200. ug/l 1 <br /> 02508 TPH Motor Oil C16-C36 n.a. 1,300. 1,000. ug/1 1 <br /> TPH quantitation is based on peak area comparison of the sample pattern to <br /> that of a hydrocarbon component mix calibration in a range that includes <br /> C8 (n-octane) through C40 (n-tetracontane) normal hydrocarbons. <br /> Site-specific MS/MSD samples were not submitted for the project. A LCS/LCSD <br /> was performed to demonstrate precision and accuracy at a batch level. <br /> 01594 BTEX + Oxygenates by 82608 <br /> 01587 Ethanol 64-17-5 N.D. 50. ug/l 1 <br /> 02010 Methyl t-butyl ether 1634-04-4 0.6 0.5 ug/l 1 <br /> 02011 di-Isopropyl ether 108-20-3 N.D. 0.5 ug/l 1 <br /> 02013 Ethyl t-butyl ether 637-92-3 N.D. 0.5 ug/l 1 <br /> 02014 t-Amyl methyl ether 994-05-8 N.D. 0.5 ug/l 1 <br /> 2015 t-Butyl alcohol 75-65-0 N-D. 5. ug/1 1 <br /> 05401 Benzene 71-43-2 1. 0.5 ug/1 1 <br /> 0-5402 1,2-Dichloroethane 107-06-2 0.6 0.5 ug/l 1 <br /> Lancaster Laboratories, Inc. <br /> M E M B E R 2425 New Holland Pike <br /> Box 12425 <br /> La <br /> � Lancaster,F'Q 17605-2425 <br /> 717-656-2±00 Fax'717-656.2681 211(, k"V 91','.'UC <br />