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Lancaster Laboratories F <br />Where quality is a science. <br />Lancaster Laboratories Sample No. WW 3933168 <br />Collected:10/29/2002 15:20 tby TC <br />Submitted: 11/04/2002 08:35 <br />Reported: 11/14/2002 at 19:57 <br />Discard: 12/15/2002 <br />EX -1-W-021029 Grab Water <br />Facility# 95775 Job# 386408 GRD <br />301 W Kettleman Ln -Lodi 70607700639 EX -1 <br />WKEX1 <br />Page 1 of 2 <br />Account Number: 10906 <br />ChevronTexaco <br />6001 Bollinger Canyon Rd L4310 <br />San Ramon CA 94583 <br />As Received <br />CAT As Received Method <br />No. Analysis Name CAS Number Result Detection <br />Limit <br />01728 TPH-GRO Waters n.a. 680. 250• <br />The reported concentration of TPH-GRO does not include MTBE or other: <br />gasoline constituents cluting 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 />01412 Methanol and Ethanol <br />01414 Methanol (by Direct Injection) 67-56-1 N.D- 200 F <br />1. <br />An elevated surrogate recovery was observed- The analysis was repeated and <br />an elevated surrogate recovery was again observed indicating a significant <br />matrix effect. <br />01594 BTEX + oxygenates by 8266E <br />01587 <br />Ethanol <br />64-17-5 <br />N.D. <br />250. <br />02010 <br />Methyl t-butyl'ether <br />1634-04-4 <br />5,400. <br />25. <br />02011 <br />di -Isopropyl ether <br />108-20-3 <br />N.D. <br />3- <br />02013 <br />Ethyl t -butyl ether <br />637-92-3 <br />200. <br />3- <br />02014 <br />t -Amyl methyl ether <br />994-05-8 <br />52. <br />3• <br />02015 <br />t -Butyl alcohol <br />75-65-0 <br />290. <br />25- <br />05401 <br />Benzene <br />71-43-2 <br />N.D. <br />3- <br />05402 <br />1,2-Dichloroethane <br />107-06-2 <br />N.D. <br />-3- <br />05407 <br />Toluene <br />108-88-3 <br />N.D. <br />3. <br />05412 <br />1,2-Dibromoethane <br />106-93-4 <br />N.D. <br />3- <br />U5417 <br />j;chylbenzene <br />N.D. <br />5- <br />06310 <br />Xylene (Total) <br />1330-20-7 <br />S. <br />3• <br />The vial submitted for volatile analysis did <br />not have a pH <br />2 at the time <br />of analysis- Due to the volatile nature of <br />the analytes, it <br />is not <br />appropriate for the <br />laboratory to adjust the <br />pH at the time <br />of sample <br />receipt. The pH of <br />this sample was pH = 4 - <br />Due to the level of <br />methyl t -butyl ether , the reporting limit(S) for <br />all GC/MS volatile compounds were raised - <br />State of California Lab Certification No. 2116 <br />Lancaster Laboratories. Inc. <br />M H E R 2425 New Holland Pike <br />PO Box 12425 <br />Lancaster, PA 17605-2425 <br />777-656-2300 Fax: 717-656-2681 <br />Dilution <br />units Factor <br />ug/l 5 <br />ug/1 1 <br />ug/1 <br />5 <br />ug/1 <br />50 <br />ug/1. <br />5 <br />ug/l <br />5 . <br />ug/l <br />5 <br />ug/l <br />5 <br />ug/l <br />5 <br />ug/i <br />5,.-. <br />ug/l <br />5 <br />ug/1 <br />5 <br />ug/1 <br />5 <br />2216 Rev. 9/11!00 <br />a <br />