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Analysis • • <br /> Lancaster Laboratories <br /> Where quality is a science. <br /> Page 1 of 2 <br /> Lancaster Laboratories Sample No. WW 3854786 <br /> Coli--ected::%07=/1=5%2002 16=:31 by=TCAccount=Number.=1"0906 <br /> Submitted: 07/17/2002 09:45 ChevronTexaco <br /> Reported: 08/02/2002 at 18:32 6001 Bollinger Canyon Rd L4310 <br /> Discard: 09/02/2002 San Ramon CA 94583 <br /> MW-9S-W-020715 Grab Water <br /> Facility# 90557 Job# 386843 GRD <br /> 139 S CENTER ST-STOCKTON T0607700391 MW-9S <br /> 5579S <br /> As Received <br /> CAT An Received Method Dilution <br /> No. Analysis Name CAS Number Result Detection Units Factor <br /> Limit <br /> 01728 TPH-GRO - Waters n.a. 130,000. 2,500. u9/1 50 <br /> The reported concentration of TPH-GRO does not include MTBR or other <br /> gasoline constituents eluting prior to the C6 (n-hexane) TPH-GRO range <br /> start time. <br /> 05553 TPH - DRO CA LUFT (Waters) n.a. 78,000. 3,100. ug/1 125 <br /> According to the California LL1FT 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 /> Accurate surrogate recoveries could not be determined due to the dilution <br /> required-for=analysiorof.the_sample.The observed sample pattern is not typical of diesel/#2 fuel oil. <br /> 01412 Methanol and Ethanol <br /> 01414 Methanol (by Direct Injection) 67-56-1 N.D. 1,000. ug/1 1 <br /> 02500 TPH Puels by GC (Waters) <br /> 02501 Total TPH n.a. 3,600. 400. ug/l 1 <br /> 02508 TPH Motor Oil C16-C36 n.a. 3,600. 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 8260E <br /> 01587 Ethanol 64-17-5 N.D. 500- ug/l 10 <br /> 02010 Methyl t-butyl ether 1634-04-4 N.D. # 5.0 ug/l 10 <br /> 02011 di-Isopropyl ether 108-20-3 N.D. # 5.0 ug/i 10 <br /> 02013 Ethyl t-butyl ether 637-92-3 N.D. # 5.0 ug/1 10 <br /> 02014 t-Amyl methyl ether 994-05-8 N.D. # 5-0 ug/l 10 <br /> #=Laboratory MethodDetectiamAti3Tfittexewdcdriarget detection limit <br /> N.D.=Not d6kUldd B 6rObOWPHA t <br /> ® Lancaster,PA 17605-2425 <br /> 717-656-2300 Fax:717.656-2681 2216 Rev.9/11/00 <br />