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r <br /> Lancaster Laboratories <br /> Where quality is a science. <br /> Page 1 of 1 <br /> Lancaster Laboratories Sample No. WN 3854775 <br /> Collected:07/15/2002 00:00 Account Number: 10906 <br /> Submitted: 07/17/2002 09:45 ChevronTexaco <br /> Reported: 08/02/2002 at 18:30 6001 Bollinger Canyon Rd L4310 <br /> Discard: 09/02/2002 San Ramon CA 94583 <br /> QA-T-020715 NA Nater <br /> Facility# 90557 Job# 386843 GRD <br /> 139 S CENTER ST-STOCKTON T0607700391 QA <br /> As Received <br /> CAT As Received Method Dilution <br /> No. Analysis Name CAS Number Result Detection Units Factor <br /> Limit <br /> 01729 TPH-GRO - waters <br /> 01730 TPH-GRO - Waters n.a. N.D. 50. ug/l 1 <br /> The reported concentration of TPH-GRD does not include MTBE or other <br /> gasoline constituents eluting prior to the C6 (n-hexane) TPH-GRO range <br /> start time. <br /> 1008214 BTEX, MTBE (8021) <br /> 00776 Benzene 71-43-2 N.D. 0.50 ug/l 1 <br /> 00777 Toluene 108-88-3 N.D. 0.50 ug/l 1 <br /> 00778 Ethylbenzene 100-41-4 N.D. 0.50 ug/l 1 <br /> 00779 Total Xylenes 1330-20-7 N.D. 1.5 ug/1 1 <br /> 00780 Methyl tert-Butyl Ether 1634-04-4 N.D. 2.5 ug/I 1 <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 /> State of California Lab Certification No. 2116 <br /> Laboratory Chronicle <br /> CAT Analysis Dilution <br /> No. Analysis Name Method Trial# Date and Time Analyst Factor <br /> 01729 TPH-GRO - Waters N. CA LUFT Gasoline 1 07/18/2002 17:54 Melissa D Mann 1 <br /> Method <br /> 08214 BTEX, MTBE (8021) SW-846 8021B 1 07/18/2002 16:22 Melissa D Mann 1 <br /> 01146 GC VOA Water Prep SW-846 5030B 1 07/18/2002 17:54 Melissa D Mann n.a. <br /> • <br /> #--Laboratory MethodDetectim+ tiaxawdedderget detection limit <br /> N.D.-Not dMetdd M&HboWbM8fffhVtimit <br /> PU <br /> Lanca® 717-65ter,6-2 PA 00176x:717-5 <br /> 717-656-2300 Fax:717-656-2681 2216 Rev.9/11/00 <br />