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KLEINFELDER <br /> r <br /> August 12, 1991 `�'ECEIVED <br /> 24-200901 <br /> AUG 15 1991. <br /> Mr. Craig Willis �+ SLACK & VEA I CH <br /> B&V Waste Science <br /> and Technology Corp. <br /> P.O. Box 30240 <br /> Kansas City, Missouri 641 i2 <br /> SUBJECT: SOIL SAMPLING RESULTS <br /> THE INIARLEY COOLING TOWER COivfPA�NY <br /> CARROLL AVENUE, STOCKTON CALIFOIUNIA <br /> Dear Mr. Willis: <br /> Enclosed are the analytical results for the two soil samples collected on Carroll Avenue, south <br /> of the Marley Cooling Tower Company, Stockton facility. The two samples had the following <br /> arsenic and chromium concentrations detected: <br /> SAMPLE NUMBER ARSENIC (mg/Kg) CHROMIUM (mg/Kg) <br /> 61141 5.2 45.6 <br /> 61142 5.3 49.4 <br /> SAMPLING ACTIVITIES <br /> On August 7, 1991, a Kleinfelder geologist collected two surface soil samples from the east <br /> side of Carroll Avenue. The sample locations were specified by Mr. Jiro Austreng of the <br /> California Department of Toxic Substances Control. Mr. Austreng was on site during the <br /> sampling. <br /> The samples were collected from 0 to 2 inches below the surface from soil between the street <br /> and residential fences (approximately 1 to 2 feet east of the asphalt of Carroll Avenue). The <br /> samples were collected in the general vicinity of a backfilled trench running the length of <br /> Carroll Avenue (Plate 1). <br /> Sample 61141 was collected near a group of mail boxes in front of the residence at 110 Carroll <br /> Avenue (approximately 417 feet from the fence of Marley's South Yard). It is Kleinfelder's <br /> understanding that the mail boxes had recently been moved to this location during the <br /> trenching activities. <br /> Sample 61142 was a composited from three surface locations along Carroll Avenue. The first <br /> composite location was in front of the north property line of the residence at 16 Carroll <br /> Avenue (approximately 236 feet from Marley's South Yard fence). The second composite <br /> location was in front of the property line between the residences at 16 and 32 Carroll Avenue <br /> F21-91-11 copyright 1991 Kleinfelder, Inc. <br /> KLc.\F;::)ER =.rc!e. =acnmento, CA 93827 19 161 360-1701 <br />