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k.BC Laboratories, Inc <br /> TRC Afton Geoscience Project 08671 <br /> 21 Technology Dave Project Number [none] <br /> Irvine CA,92618-2302 Project Manager Anju Farfan Reported 09/01/05 12 24 <br /> Volatile Organic Analysis (EPA Method 8264) <br /> BCL Sample ID 0508440-05 Client Sample Name 08671, MW-8, MW-8, 8/23/2005 10 00 OOAM, Anthony <br /> Prep Run Instru- QC MB Lab <br /> Constituent Result Units PQL MDL Method Date Date/Time Analyst ment ID Dilution Batch ID Bias Quals <br /> Benzene ND ug/L 0 50 013 EPA-8260 08/26/05 08/28/05 04 53 svm MS-V4 i BOH1370 NO <br /> 1,2-Dibromoethane NO ug/L 050 016 EPA-8260 08/26105 08/28/05 04 53 svm MS-V4 1 BOH1370 NO <br /> 1,2-Dichloroethane NO ug/L 050 025 EPA-8260 08/26/05 08/28/05 04 53 svm MS-V4 1 BOH1370 NO <br /> Ethylbenzene NO uglL 0 50 014 EPA-8260 08/26/05 08/28/05 0453 svm MS-V4 1 BOH1370 NO <br /> Methyl t-butyl ether NO ug/L 0 50 015 EPA-8260 08126105 081205 0453 svm M544 1 BOH1370 NO <br /> Toluene NO uglL 0 50 015 EPA-8260 08/26/05 08/28/05 04 53 svm MS-V4 1 BOH1370 ND <br /> Total Xylenes NO uglL 10 040 EPA-8260 08126/05 08/28/05 04 53 svm MS-V4 1 BOH1370 NO <br /> t-Amyl Methyl ether NO ug/L 0 50 0 31 EPA-8260 08/26/05 08/28/05 04 53 svm MS-V4 1 BOH1370 NO <br /> t-Butyl alcohol NO ug/L 10 10 EPA-8260 08/26/05 08/28/05 0453 svm MS-V4 1 BOH1370 ND <br /> Dnsopropyl ether NO ug/L 050 023 EPA-8260 08/26/05 08/28/05 04 53 svm MS-V4 1 BOH1370 NO <br /> Ethanol NO ug/L 1000 110 EPA-8260 08/26/05 08/28/05 04 53 svm MS-V4 1 BOH1370 NO <br /> Ethyl t-butyl ether ND ug/L 050 027 EPA-8260 08/26/05 08/28/05 0453 svm MS-V4 1 BOH1370 ND <br /> Total Purgeable Petroleum NO uglL 50 23 EPA-8260 08/26/05 08/28/05 0453 svm MS-V4 1 B0H1370 ND <br /> Hydrocarbons <br /> 1,2-Dichloroethane-d4(Surrogate) 969 % 76-114 (LCL-UCL) EPA-8260 08/26/05 08/28/05 0453 svm MS-V4 1 BOH1370 <br /> Toluene-d8(Surrogate) 864 % 88-110 (LCL-UCL) EPA-8260 08/26/05 08/28/05 04 53 svm MS-V4 1 BOH1370 S09 <br /> 4-Bromofluorobenzene(Surrogate) 866 % 86-115 (LCL-UCL) EPA-8260 08/26/05 08/28/05 0453 svm MS-V4 1 BOH1370 <br /> BC Labora The results in this report apply to the samples ed in accordance with the chain of custody document This analytical report must be re�ced in its entirety <br /> All results Itsted to this report are For the CXCIUSIVe use of the submitting parry BC Laboratort assumes no responsibility for report alteration separation detachment or thud parry interpretation <br /> 4100 Atlas Court•Bakersfield,CA 93308• (661)327-4911 • FAX(661)327-1918•www bclabs com Page 7 of 17 <br />