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Lancaster Laboratories <br /> • Where quality is a science. <br /> Ib Page Y of 2 <br /> Lancaster Laboratories Sample No. WW 3930159 <br /> Collected: 10/27/2002 14 :50 by BJ Account Number: 10669 <br /> Submitted: 10/30/2002 09:10 ChevronTexaco <br /> Reported: 11/12/2002 at 15:24 6001 Bollinger Canyon Rd L4310 <br /> Discard: 12/13/2002 San Ramon CA 94583 <br /> MW-2-W-021027 Grab Water <br />' Facility# 90557 SIRC <br /> 139 Center St. Stockton 70607700391 MW-2 <br /> 2CETT <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. 930. 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 MSR 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. 50- ug/l 1 <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 />' 02500 TPH Fuels by GC (Waters) <br /> 02501 Total TPH n.a. 1,400- 400. ug/1 1 <br />' 02508 TPH Motor Oil C16-C36 n.a. 1,400. 400. 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 8260B <br /> 01587 Ethanol 64-17-5 87- 50. ug/l 1 <br /> 02010 Methyl t-butyl ether 1634-04-4 N-D. 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/1 1 <br /> 02015 t-Butyl alcohol 75-65-0 N.D. 5. ug/l 1 <br /> 05401 Benzene 71-43-2 15. 0-5 ug/1 1 <br />' 05402 1,2-Dichloroethane 107-06-2 N.D. 0-5 ug/l 1 <br /> 05407 Toluene 106-88-3 92. 0.5 ug/l 1 <br /> 05412 1,2-Dibromoethane 106-93-4 N.D- 0.5 ug/l 1 <br /> 1005415 Ethylbenzene 100-41-4 16. 0.5 ug/l 1 <br /> 06310 Xylene (Total) 1330-20-7 120. 0.5 ug/l 1 <br /> Lancaster Laboratories,Inc. <br />' M E M B E R 2425 New Holland Pike <br /> PO Box 12425 <br /> ® <br /> Lancaster, 17605-2425 <br /> 17-6 <br /> 717-656-2-2 30000 Fax:717-656-2681 2216 Rev.9/11100 <br />