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Afnolysis Repot <br /> Lancaster Laboratories <br /> Where quality is a science. <br /> Page l of 2 <br /> Lancaster Laboratories Sample No. WW 3925164 <br /> Collected: 10/18/2002 19 :58 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-9S-W-021018 Grab Water <br /> Facility# 90557 Job# 386843 GRD <br /> 139 S Center St-Stockton T0607700391 MW-9S <br /> SCS9S <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. 240,000- 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. 50,000. 2,600. ug/l 100 <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. 1,000. ug/l 1 <br /> 02500 TPH Fuels by GC (Waters) <br /> 02501 Total TPH n.a. 14,000. 800. ug/l 1 <br /> 02508 TPH Motor Oil C16-C36 n.a. 14,000. 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 /> Ce (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 /> Due to coeluting peaks near their retention times, accurate surrogate <br /> recoveries could not be determined. <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 82608 <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/l 10 <br /> 02013 Ethyl t-butyl ether 637-92-3 N-D. # 5.0 ug/l 10 <br /> 02014 t-Amyl methyl ether 994-05-8 N.D. # 5.0 ug/l 10 <br /> 2015 t-Butyl alcohol 75-65-0 460. 100. ug/1 10 <br /> 05401 Benzene 71-43-2 9,800- 50- ug/1 100 <br /> #--Labo atory MethodDetech9r fflk� target detection limit <br /> N.D.=Not bgpWB jr4ortmg'Limit <br /> Lancaster,PA 17605-2425 <br /> 717-656-2300 Fax;717-656-2681 2216 Rev.9111/00 <br />