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Analysis '" <br /> Lancaster Laboratories <br /> . Where quality is a science. <br /> Page i of 2 <br /> Lancaster Laboratories Sample No. WW 3925165 <br /> Collected: 10/18/2002 17: 50 by TC Account Number: 10906 <br /> Submitted: 10/23/2002 09: 50 ChevronTexaco <br /> Reported: 11/05/2002 at 18 :45 6001 Bollinger Canyon Rd L4310 <br /> Discard: 12/06/2002 San Ramon CA 94583 <br /> MW-10-W-021018 Grab Water <br /> Facility# 90557 Job# 386843 GRD <br /> 139 S Center St-Stockton T0607700391 MW-10 <br /> SCS10 <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_ N.D. 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. N-D. 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 C26 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_ 1,000_ ug/l 1 <br /> 02500 TPH Fuels by GC (Waters) <br /> 02501 Total TPH n.a. N.D. 800. ug/l 1 <br /> 02508 TPH Motor Oil C16-C36 n.a. N.D_ 800. 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 /> C8 (n-octane) through C40 (n-tetracontane) normal hydrocarbons. <br /> Due to interferences from the sample matrix (high sediment content) , the <br /> reporting limit was increased. <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. 500. ug/l 1 <br /> 02010 Methyl t-butyl ether 1634-04-4 N.D. 2. ug/l 1 <br /> 02011 di-Isopropyl ether 108-20-3 N.D. 2. ug/l 1 <br /> 02013 Ethyl t-butyl ether 637-92-3 N.D. 2. ug/l 1 <br /> 02014 t-Amyl methyl ether 994-05-8 N.D. 2. ug/l 1 <br /> 02015 t-Butyl alcohol 75-65-0 N.D. 100_ ug/l 1 <br /> 05401 Benzene 71-43-2 N.D. 0.5 ug/l 1 <br /> 05402 1,2-Dichloroethane 107-06-2 N.D. 2. ug/l 1 <br /> 05407 Toluene 108•-88-3 N.D. 0.5 ug/l 1 <br /> 5412 1,2-Dibromoethane 106-93-4 N.D. 2. ug/l 1 <br /> #Laboratory Method Detectionhi n(iMxtteadgd,target detection limit <br /> N.D.=Not de'teetad at ormbc3;Q�h elftIb�tl4ti'- Limit <br /> PO Box 1242 <br /> Lancaster,PA 17605-2425 <br /> 717-656-2300 Fax:717-656-2681 2216 Rev.9/11/00 <br />