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Report <br /> Lancaster <br /> Laboratories <br /> Page 1 of 2 <br /> Lancaster Laboratories Sample No. WW 4008126 <br /> Collected:03/05/2003 12 :30 by DH Account Number: 10869 <br /> Submitted: 03/10/2003 02 :06 ChevronTexaco <br /> Reported: 04/02/2003 at 12 :55 6001 Bollinger Canyon Rd L4310 <br /> Discard: 05/03/2003 <br /> TW-1-W-030305 Grab Water San Ramon CA 94583 <br /> Facility# 1001621 SIRC <br /> 22888 KASSON-TRACY T0607700004 TW-1 <br /> TW1-- <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. 30,000. 1,000. ug/l 20 <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 project. A LCS/LCSD <br /> was performed to demonstrate precision and accuracy at a batch level. <br /> 05553 TPH - DRO CA LUFT (Waters) n.a. 770,000. 120,000. ug/l 1000 <br /> According to the California LUFT Protocol, the quantitation for Diesel <br /> Range Organics was performed by peak area comparison of the sample pattern <br /> to that of our #2 fuel oil reference standard (between C10 and C28 normal <br /> hydrocarbons) . <br /> Site-specific MS/MSD samples were not submitted for the project. A LCS/LCSD <br /> was performed to demonstrate precision and accuracy at a batch level. <br /> Due to the nature of the sample matrix, a dilution was performed during the <br /> sample extraction. The reporting limit was raised accordingly. <br /> Accurate surrogate recoveries could not be determined due to the dilution <br /> required for analysis of the sample. <br /> 01755 Lead 7439-92-1 41. 8.9 ug/l 1 <br /> 01594 BTEX + Oxygenates by 8260B <br /> 02010 Methyl Tertiary Butyl Ether 1634-04-4 2,000. 25. ug/l 50 <br /> 02011 di-Isopropyl ether 108-20-3 N.D. 3. ug/l 5 <br /> 02013 Ethyl t-butyl ether 637-92-3 N.D. 3. ug/l 5 <br /> 02014 t-Amyl methyl ether 994-05-8 210. 3. ug/l 5 <br /> 02015 t-Butyl alcohol 75-65-0 640. 25. ug/l 5 <br /> 05401 Benzene 71-43-2 400. 3. ug/l 5 <br /> 05407 Toluene 108-88-3 56. 3. ug/l 5 <br /> 05415 Ethylbenzene 100-41-4 1,300. 25. ug/l 50 <br /> 06310 Xylene (Total) 1330-20-7 8,600. 25. ug/l 50 <br /> The reporting limits for the GC/MS volatile compounds were raised <br /> because sample dilution was necessary to bring target compounds into the <br /> calibration range of the system. <br /> Lancaster Labor.,tnries,Iru <br /> M E M B E R 2425 t,(-. HOILovi Pike- <br /> PO Box 12425 <br /> Lancaster,PA 17601)24)1, <br />