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Report,-,. <br /> Lancaster Laboratories <br /> Where quality is a science . <br /> Page I of I <br /> Lancaster Laboratories Sample No. WW 3928615 <br /> Collected 10/24/2002 11 25 by DM Account Number 10906 <br /> Submitted 10/26/2002 10 10 ChevronTexaco <br /> Reported 11/08/2002 at 13 10 6001 Bollinger Canyon Rd L4310 <br /> Discard 12/09/2002 San Ramon CA 94583 <br /> MW-6D-W-021024 Grab Water <br /> Facility# 93232 Job# 386463 GRD <br /> 8660 LWR SACRAMENTO-STOCK 70607700658 MW-6D <br /> LWR6D <br /> As Received <br /> CAT As Received Method Dilution <br /> No Analysis Name CAS Number Result Detection units Factor <br /> Limit <br /> 01728 TPH-GRO - Waters n a N D 5o ug/i 1 <br /> The reported concentration of TPH-GRO does not include MTBE or other <br /> gasoline constituents eluting prior to the C6 (n-hexane) TPH-GRO range <br /> start time <br /> A site-specific MSD sample was not submitted for the protect 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 /> 02010 Methyl t-butyl ether 1634-04-4 N D 2 ug/l 1 <br /> 02011 di-Isopropyl ether 108-20-3 N D 2 ug/l 1 <br /> 02013 Ethyl t-butyl ether 637-92-3 N D 2 u9/1 1 <br /> 02014 t-Amyl methyl ether 994-05-8 N D 2 ug/l 1 <br /> 02015 t-Butyl alcohol 75-65-0 N D 100 ug/l 1 <br /> 05401 Benzene 71-43-2 N D 0 5 ug/1 1 <br /> 05407 Toluene 108-88-3 0 7 0 5 ug/l 1 <br /> 05415 Ethylbenzene 100-41-4 N D 0 5 ug/l 1 <br /> 06310 Xylene (Total) 1330-20-7 N D 0 5 ug/l 1 <br /> Poor surrogate recoveries were observed for the GC/MS volatile fraction <br /> The analysis was repeated and poor surrogate recoveries were again observed <br /> indicating a significant matrix effect <br /> State of California Lab Certification No 2116 <br /> Laboratory Chronicle <br /> CAT Analysis Dilutii <br /> No Analysis Name Method Trial# Date and Time Analyst Factor <br /> 01728 TPH-GRO - Waters N CA LUFT Gasoline 1 10/29/2002 00 28 Linda C Pape 1 <br /> Method <br /> 01594 BTEX + Oxygenates by 8260B SW-846 8260B 1 11/01/2002 21 36 John B Kiser 1 <br /> 01146 GC VOA Water Prep $W-846 5030B 1 10/29/2002 00 28 Linda C Pape n a <br /> 01163 GC/MS VOA Water Prep SW-846 5030B 1 11/01/2002 21 36 John B Kiser n a <br /> • <br /> #=Laboratory MethodDeteaf6fPIt4h�ilbe"Cti &target detection limit <br /> N D=Not b�42� "� or7ing Limit <br /> Lancaster PA 17605 2425 <br /> 717 656 2300 Fax 717-656 2681 2216 Rev 9/11/00 <br />