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III <br /> Lancaster Laboratories <br /> • Where quality is a science. <br /> Page 2 of 3 <br /> Lancaster Laboratories Sample No. WW 3768302 <br /> Collected:01/30/2002 1.4 :35 by TC Account Number: 10906 <br /> Submitted: 02/04/2002 09:15 Chevron products Company <br /> Reported: 02/19/2002 at 20:49 6001 Bollinger Canyon Rd <br /> Discard: 03/22/2002 Building L PO Box 6004 <br /> MW-9A-W-020130 Grab Water San Ramon CA 94583-0904 <br /> Facility# 90557 Job# 3B6843 GRD <br /> 139 S Center-Stockton T0607700391 MW-9A <br /> SC-9A <br /> As Received <br /> CAT As Received Method Dilution <br /> No. Analysis Name CAS Number Result Detection Units Factor <br /> Limit <br /> 00777 Toluene 108-88-3 3,000. 2.0 ug/l 10 <br /> 00778 Ethylbenzene 100-41-4 490. 2.0 ug/l 10 <br /> 00779 'total Xylenes 1330-20-7 2,100. 6.0 ug/l 10 <br /> 00780 Methyl tert-Butyl Ether 1634-04-4 N.D. # 25. ug/l 10 <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 /> Due to the presence of an interferent near its retention time, the normal <br /> reporting limit was not attained for MTBE. The <br /> presence or concentration of this compound cannot be determined due to the <br /> presence of this interferent. <br /> 01594 BTEX + Oxygenates by 8260B <br /> 01587 Ethanol 64-17-5 N.D. 500- ug/l 5 <br /> 02010 Methyl t-butyl ether 1634-04-4 N.D. # 3.0 ug/l 5 <br /> 02011 di-Isopropyl ether 108-20-3 N-D. # 3.0 ug/l 5 <br /> 02013 Ethyl t-butyl ether 637-92-3 N.D. # 3.0 ug/l 5 <br /> 02014 t-Amyl methyl ether 994-05-8 N.D. # 3.0 ug/l 5 <br /> 02015 t-Butyl alcohol 75-65-0 N.D. 100- ug/l 5 <br /> 05402 1,2-Dichloroethane 107-06-2 N.D. # 3.0 ug/l 5 <br /> 05412 1,2-Dibromoethane 106-93-4 N.D. # 3.0 ug/1 5 <br /> The reporting limits for the GC/MS volatile compounds were raised due to <br /> the level of non-target compounds. <br /> State of California Lab Certification No. 2116 <br /> Laboratory Chronicle <br /> CAT Analysis Dilution <br /> o. Analysis Name Method Trial# Date and Time Analyst Factor <br /> 53 TPH - DRQ CA LUFT (Waters) CA LUFT Diesel Range 1 02/08/2002 16:46 Tracy A Cole 20 <br /> Organics <br /> 01412 Methanol and Ethanol SW-846 8015B 1 02/08/2002 21:43 Lisa A Johnson 1 <br /> 6anc ter boratori s, c. <br /> #-Laborator�VethodDetec4arpebwANN q 4arget detection limit <br /> N.D.=Not d $ one the fi4porting Limit <br /> Lancaster,PA 17605-2425 <br /> 717-656-2300 Fax:717-656-2681 2216 Rev.9111/00 <br />