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ANALYTICAL REPORT <br /> v <br /> LOCA NO: G97-04-520 <br /> Received: 17 APR 97 <br /> Our Quabry Control Is Your Q"ty Assurance r <br /> Mailed: Kay 11997 <br /> Mr. Todd Miller <br /> Brown and Caldwell Purchase Order: 5172 <br /> 3480 Buskirk Avenue <br /> Pleasant Hill , CA 94523 Requisition: EZ.SERVE <br /> Project: 100878 <br /> REPORT OF ANALYTICAL RESULTS Page 1 <br /> LOG NO SAMPLE DESCRIPTION, AQUEOUS SAMPLES DATE SAMPLED <br /> ----------- --------------------------------------------------- --------------------- <br /> 04-520-1 <br /> ------------------- - <br /> 04--520-1 100878 MW-1 15 APR 97 <br /> 04-520-2 100878 MW-2 15 APR 97 <br /> 04-520-3 100878 MW-3 15 APR 97 <br /> 04-520-4 100878 MW-4 15 APR 97 <br /> 04-520-5 100878 MW-4D 15 APR 97 <br /> PARAMETER 04-520-1 04-520-2 04-520-3 04-520-4 04-520-5 <br /> GRO (8015--TX)---------------- ---------- ---------- ---------�- ---------- ---------- <br /> Date Analyzed 04/26/97 04/26/97 04/26/97 04/26/97 04/27/97 <br /> Dilution Factor, Times 1 1 1 1 1 <br /> Benzene, ug/L 18 2.4 <0.5 <0.5 <0.5 <br /> Toluene, ug/L <0.5 <0.5 <0.5 <0.5 <0.5 <br /> Ethylbenzene, ug/L 140 12 <0.5 <0.5 <0.5 <br /> Total Xylene Isomers, ug/L 330 24 <0.5 <0.5 <0.5 <br /> Carbon Range, . C6-C12 C6-C12 C6-C12 C6-C12 C6-C12 <br /> TPH (Gasoline Range) , ugh 3200 370 <50 64 64 <br /> Surrogates ** <br /> a,a,a-Trifluorotoluene Rep. , ug/L 31.2 44.0 47.6 45.0 43.2 <br /> a,a,a-Trifluorotoluene Th. , ug/L 50.0 50.0 50.0 50.0 50.0 <br /> ------------------------------ ---------- ---------- ---------- ---------- ---------- <br /> I ! <br /> ! <br /> it ! �I ! I I li <br /> ! BCA—Division of V 0 C Analytical Laboratories, Inc i <br /> 1085 Shary Circle,Concord,CA 94518 Phone (510),825.3894 • Fax (510) 825.3924 1 ' <br /> I! ' <br />