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A <br /> nalysis Reporit <br /> Lancaster Laboratories <br /> Where quality is a science. <br /> Page 1 of 2 <br /> Lancaster Laboratories Sample No. WW 3854785 <br /> Collected:07/15/2002 15:35 by TC Account Number: 10906 <br /> Submitted: 07/17/2002 09:45 ChevronTexaco <br /> Reported: 08/02/2002 at 18:31 6001 Bollinger Canyon Rd L4310 <br /> Discard: 09/02/2002 San Ramon CA 94583 <br /> MW-9A-W-020715 Grab Water <br /> Facility# 90557 Job# 386843 GRD <br /> 139 S CENTER ST-STOCKTON T0607700391 MW-9A <br /> 5579A <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. 160,000. 5,000. ug/l 100 <br /> The reported concentration of TPH-GRO does not include MTBE or other <br /> gasoline constituents eluting prior to the C6 (n-hexane) TPH-GRD range <br /> start time. <br /> 05553 TPH - DRO CA LUFT (Waters) n.a. 12,000. 640. ug/l 25 <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 /> 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/l 1 <br /> The surrogate data in the original extract is outside the QC limits. <br /> Results from the reextraction are also outside the QC limits, indicating <br /> possible matrix interference. <br /> 02500 TPH Fuels by GC (waters) <br /> 02501 Total TPH n.a. 4,300. 400. ug/l 1 <br /> 02508 TPH Motor Oil C16-C36 n.a. 4,300. 400- ug/l 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 /> ca (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- # 1,000. ug/l 20 <br /> 02010 Methyl t-butyl ether 1634-04-4 N.D. # 10. ug/l 20 <br /> 02011 di-Isopropyl ether 108-20-3 N.D. # Ia. ug/1 20 <br /> 02013 Ethyl t-butyl ether 637-92-3 N.D. # 10. ug/l 20 . <br /> 02014 t-Amyl methyl ether 994-05-8 N.D. # 10. ug/l 20 <br /> #--Laboratory MethodDetectim 4 in il'OXOW Wrbarget detection limit <br /> N.D.=Not d81eMdd owrmit <br /> ® Lancaster,PA 17605-2425 <br /> 717-656-2300 fax:717-656-2681 2216 Rev.9/11/00 <br />