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Lancaster Laboratories <br /> Where quality is a science. <br /> Page I of 2 <br />' Lancaster Laboratories Sample No. WW 3930157 <br /> Collected: 10/27/2002 14:30 by BJ Account Number: 10869 <br /> Submitted: 10/30/2002 09:10 ChevronTexaco <br /> t Reported: 11/12/2002 at 15:24 6001 Bollinger Canyon Rd L4310 <br /> Discard: 12/13/2002 San Ramon CA 94583 <br /> MW-9A-W-021027 Grab Water <br /> Facility## 90557 SIRC <br /> 139 Center St. Stockton T0607700391 MW-9A <br /> 9ASEE <br />' As Received <br /> CAT As Received Method Dilution <br /> No. Analysis Name CAS Number Result Detection Units Factor <br /> Limit <br />' 01728 TPU-ORO - Waters n.a. 150,000. 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-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- 190,000. 12,000. ug/l 500 <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 02 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 Methapol (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. 71,000. 4,000. ug/l 10 <br /> 02508 TPH Motor Oil C16-C36 n.a. 71,000. 4,000. ug/1 10 <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 /> Accurate surrogate recoveries could not be determined due to the dilution <br /> ' required for analysis of the sample. <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 N.D. 2,000. ug/l 40 <br /> ' 02010 Methyl t-butyl ether 1634-04-4 N.D- 20. ug/1 40 <br /> 02011 di-Isopropyl ether 108-20-3 N.D. 20. ug/l 40 <br /> 02013 Ethyl t-butyl ether 637-92-3 N.D. 20- ug/l 40 <br /> 02014 t-Amyl methyl ether 994-05-8 N.D. 20. ug/1 40 <br /> 02015 t-Butyl alcohol 75-65-0 N.D. 200. ug/l 40 <br /> 05401 Benzene 71-43-2 11,000. 20. ug/1 40 <br /> 0 05402 1,2-Di.chloroethane 107-06-2 N.D. 20. ug/1 40 <br /> 05407 Toluene 108-88-3 39,000. 200. ug/l 400 <br /> 05412 1,2-Dibromoethane 106-93-4 N.D_ 20. ug/l 40 <br /> Lancaster Laboratories,Inc. <br /> 1N E M B E R 2425 New Holland Pike <br /> ' PO Box 12425 <br /> Lancaster, 17605.2425 <br /> 717-656.23D000 Fax:717-656-2681 2216 Rev.9111/00 <br />