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i <br /> SEQUOIA Analytical Laboratory ` <br /> 2549 Middlefield Road <br /> Redwood City, CA 94063 • (495) 364-9222 <br /> Kaprealian Engineering, Inc. Date Sampled: 04-30-87 <br /> 535 Main Street, Suite 309 Date Received : 05-04-87 <br /> Martinez, CA 94553 Date Extracted: 05-14-87 <br /> Attn: Mardo Kaprealian, P.E. Date Reported: 05-26-87 <br /> President <br /> I <br /> i <br /> i <br /> Sample Number Sample Description <br /> 7050040 Soil S-1, Mobil at <br /> PRIORITY POLLUTANTS Hammer Road in Stockton, CA <br /> VOLATILE ORGANIC COMPOUNDS <br /> results in ppb <br /> Acrolein. . . . . . . . . . . . . . . . . . . . .. . . . < 10,000 trans-1, 2-Dichloroethene. . . . . . . . . . 450 , <br /> Acrylonitrile. . . . . . . . . . . . . . . . . . < 10,000 1,2-Dichloropropane. . . . . . . . . < 50 <br /> Benzene!.. . . . . . . . . . . . . . . . . . . . . . . . . < 501,3-Dichloropropene. . . . . . . . . ..- . . . . . . . . < 50 <br /> Sromomethane. . . . . . . . . . . . . . .. . . . <br /> i <br /> < 50 Ethylbenzene. . . . . . . . . . . . . . . . . . . . . . . . . . < 50 <br /> Bromodichloromethane. . . .. . . . . . . < 50 Methylene chloride. . . . . . . . . . . . . . . . . . . . < 50 <br /> Bromoform. . . . . . . . . . . . . . .. . . . . . . . . < 50 1,1,2, 2-Tetrachloroethane... . . . . . . . . . . . < <br /> 5U <br /> Carbon tetrachloride. . . . . . . . . . . . . < 50 Tetrachloroethene. . . . . . . . . . . . . . . . . . . . . < 50 <br /> Chlorobenzene. . . . . . . . . . .. . . . . . . . . < 50 . 1,1,1-Trichloroethane. . . . . . . . . . . . . . , . . < 50 <br /> Chloroethane. . . . . . . .. . . . . . . . . . . . . < 50 1,1,2-Trichloroethane. . . . . . . . . . . . . . . . . < SO <br /> 2-Chloroethylvinyi ether. . . .. . . . . < . 50 Trichloroethene. . . . . . . . . . . . . . . . . . . . .. . < 50 <br /> Chloroform. . . . . . . . . . .. . . . . . . . . . . . < 50 Toluene. . . . . . . . . - -- • . . . . . . . . . . . . . . . , <br /> < 50 <br /> Chloromethane. . . . . . . . . . . . . . . . . . . < 50 Vinyl chloride. . . . . . . . . . . . . . . . . . . . . . .. < 50 <br /> Dibromochloromethane. . . . . . .. . . . . . < 50 1,2-Dichlorobenzene. . . . . . . . . . . . . . . . .. . < 50 <br /> 1,1-Dichloroethane. .. .. . . . . . .. . . . < 50 1,3-Dichlorobenzene. . . . : . . . ... . . . . . . . . < 50 <br /> 1,2-Dichloroethane. . . . . . . . . . . . . . . < SO 1 ,4-Dichlorobenzene. . - . . . . . . . . . . . . . . . . < 50 <br /> 1,1-Dichloroethene. . . . . . . . . . . . . . . < 50 <br /> SEQUOIA: ANALYTICAL LABORATORY <br /> NOTE. Method 8240 of the EPA was <br /> used for this analysis. <br /> Arthur G. Burton <br /> Laboratory Director <br /> sls , <br /> s <br />