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Analysis Report <br /> Lancaster Laboratories <br /> M Where quality is a science. <br /> Page 2 of 3 <br /> Lancaster Laboratories Sample No. WW 3768303 <br /> Collected: 01/30/2002 15: 12 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-9S-W-020130 Grab Water San Ramon CA 94583-0904 <br /> Facility# 90557 Job# 386843 GRD <br /> 139 S Center-Stockton 70607700391 MW-9S <br /> SC-9S <br /> As Received <br /> CAT As Received Method Dilution <br /> No. Analysis Name CAS Number Result Detection Units Factor <br /> Limit <br /> was performed to demonstrate precision and accuracy at a batch level. <br /> 08214 BTEX, MTBE (8021) <br /> 00776 Benzene 71-43-2 25,000. 40. ug/1 200 . <br /> 00777 Toluene 108-88-3 52,000. 40. ug/1 200 <br /> 00778 Ethylbenzene 100-41-4 5,600. 10. ug/1 50 <br /> 007'79 Total Xylenes 1330-20-7 27,000_ 30. ug/1 50 <br /> 00780 Methyl tent-Butyl Ether 1634-04-4 N.D. # 130_ ug/l 50 <br /> The vial submitted for volatile analysis did not have a pH < 2 at the time <br /> of-analysis Due�to-the-volatile-nature�of=the=analytes lt,is�not - <br /> appropriate for the laboratory to adjust the pH at the time of sample <br /> receipt. e <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 /> The reporting limits were raised because sample dilution was 'necessary to <br /> bring target compounds into the calibration range of the system. <br /> 01594 BTEX + Oxygenates by 8260B <br /> 01587 Ethanol 64'17-5 N.D. # 2,500. ug/l 50 <br /> 02010 Methyl t-butyl ether 1634-04-4 N_D_ # 50. ug/1 50 <br /> 02011 di-Isopropyl, ether 108-20-3 N.D. # 50. ug/l 50 <br /> 02013 Ethyl t-butyl ether 637-92-3 N.D. # 50. ug/l 50 <br /> 02014 t-Amyl methyl ether 994-05-8 N.D_ # 50. ug/l 50 <br /> 02015 t-Butyl alcohol 75-65-0 N.D. # 1,000. ug/l 50 <br /> 05402 1,2-Dichloroethane 107-06-2 930. 50. ug/l 50 <br /> 05412 1,2-Dibromoethane 106-93-4 380. 50. ug/l 50 <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 /> #=Laborato Metd1ifirget detection limit <br /> N.D.=Not d oy@ gpp;Gg :mit <br /> Lancaster,PA 17605-2425 <br /> 717-656-2300 Fax:717.656-2681 2216 Rev.9/11/00 <br />