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Lancaster Laboratories <br /> •� Where quality is a science <br /> Pagel of 2 <br /> Lancaster Laboratories Sample No. WW 3812438 <br /> Collected 04/25/2002 15 15 by TC Account Number 10906 <br /> I <br /> Submitted 04/30/2002 08 40 Chevron Products Company <br /> Reported 05/09/2002 at 15 04 6001 Bollinger Canyon Rd <br /> Discard 06/09/2002 Building L PO Box 6004 <br /> MW-4D-W-020425 Grab Water San Ramon CA 94583-0904 <br /> Facility# 93232 Job# 386463 GRD <br /> 8660 LOWER SACRAMENTO T0607700658 MW-4D <br /> I <br /> 2324D <br /> As Received <br /> CAT As Received Method Dilution <br /> No Analysis Name CAS Number Result Detection Units Factor <br /> Limit <br /> I <br /> 01729 TPH-GRO - waters <br /> 01730 TPH-GRO - Waters n a 9,400 500 ug/l 10 <br /> The reported concentration of TPH-GRO does not include MTBE or other <br /> 0 gasoline constituents eluting prior to the C6 (n-hexane) TPH-GRO range <br /> start time <br /> The vial submitted for volatile analysis did not have a pH c 2 at the time <br /> of analysis Due to the volatile nature of the analytes, it is not <br /> appropriate for the laboratory to adjust the pH at the time of sample <br /> receipt <br /> I <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 /> I <br /> 08214 BTEX, MTBE (8021) <br /> I <br /> 00776 Benzene 71-43-2 2,400 2 0 ug/1 10 <br /> 00777 Toluene 108-88-3 12 2 0 ug/l 10 <br /> 00778 Ethylbenzene 100-41-4 490 2 0 ug/l 10 <br /> 00779 Total Xylenes 1330-20-7 50 6 0 ug/l 10 <br /> 00780 Methyl tert-Butyl Ether 1634-04-4 35 3 0 ug/l 10 <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, it is not <br /> appropriate for the laboratory to adjust the pH at the time of sample <br /> receipt <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 /> 01594 BTEX + Oxygenates by 8260B <br /> 01587 Ethanol 64-17-5 N D 500 ug/l 1 <br /> 0010 Methyl t-butyl ether 1634-04-4 6 2 u9/1 1 <br /> h'--Laboratory MethodDetection Limit exceeded target detection limit <br /> N D=Not detected at or abovz425 8fx� P�t <br /> H.11MEMBBF� ,wg <br /> PO sox 12425 <br /> Lancaster PA 17605 2425 <br /> 717 656 2300 Fax 717-656 2681 2216 Rev 9/11100 <br />