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parts per billion(ppb)DBCP(BBL,Environmental.Record Search Report,August 19, 1996). <br /> The state action level for DBCP is 0.2 ppb. <br /> ;o <br /> Groundwater was measured at 15.75 to 16.73 feet bgs in the onsite monitoring wells (MW-1, <br /> MW-2 and MW-3). The groundwater gradient measured onsite flows southwest at a gradient r <br /> of 0.00547 ft/ft. <br /> eF <br /> I <br /> r <br /> i <br /> 1 <br /> E� <br /> 35 <br /> 1 <br /> k <br /> 3 <br /> .1 <br /> 4 <br /> 7N 40007-097-01 <br /> dec-96\arcmleca.eta 2-3 <br />