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t� <br /> LOG' NO: G97-04-520 <br /> Received: 17 APR 97 <br /> Our Quality Control Is lour aualin Assurance <br /> Mr. Todd Meller <br /> Brown and Caldwell Purchase Order: 5172 <br /> 3480 Buskirk Avenue <br /> Pleasant Hill , CA 94523 Requisition: EZ.SERVE <br /> Project: 100878 <br /> i <br /> REPORT OF ANALYTICAL RESULTS Page 2 <br /> LOG NO SAMPLE DESCRIPTION, AQUEOUS SAMPLES DATE SAMPLED <br /> ----------- ----------------------------------------------- <br /> 04-520-6 100878 MW-4FB 15 APR 97 <br /> 04-520-7 100878 MW-5 15 APR 97 <br /> 04-520-8 100878 MW-6 15 APR 97 <br /> 04-520-9 100878 MW-7 15 APR 97 <br /> 04-520-10 100878 MW-8 15 APR 97 <br /> ----------- --------------------------------------------------- --------------------- <br /> PARAMETER 04-520-6 04-520-7 04-520-8 04-520-9 04-520-10 <br /> �--- ------ ------------------- ---------- ---------- ---------- ---------- ---------- <br /> GRO <br /> (8015M <br /> Date Analyzed 04.29.97 04/28/97 04/27/97 04/28/97 04/28/97 <br /> Dilution Factor, Times 1 10 1 1 1 <br /> Benzene, ug/L <0.5 43 <0.5 <0.5 <O.5 <br /> Toluene, ug/L <0.5 <5 <0.5 <0.5 <0.5 <br /> Ethylbenzene, ug/L <0.5 230 <O-5 <0.5 <0.5 <br /> Total Xylene Isomers, ug/L <0.5 1400 1 .6 <0.5 <0.5 <br /> Carbon Range, C6-C12 C6-C12 C6-C12 G6-C12 C6-C12 <br /> TPH (Gasoline Range) , ug/L <50 6000 55 <50 <50 <br /> Surrogates ** <br /> a,a,a-Trifluorotoluene Rep. , ug/L 45.6 421 44.4 35.4 37.1 <br /> a,a,a-Trifluorotoluene Th. , ug/L 50.0 500 50.0 50.0 50.0 <br /> I <br /> 1 � I <br /> i I I I li {I I r�Jl <br /> f I ! I I <br /> F E <br /> I E t I <br /> BCA—Dwrs1on of V 0 C Analytical Laboratories,Inc' <br /> 11085 iShary Circle,Concord,CA 94518 i Phone (510) 825-3894 • Fax (510) 825.3924 <br /> I I <br />