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Dividend Development Corporation. October 23, 1991 <br /> Addendum Remediation Workplan Page 4 <br /> A photoionization detector- (PZD) shall also be employed in the <br /> field to detect organic vapor levels. PID soil measurements shall <br /> be documented according to location, depth, and. readings. <br /> Additionally, confirmatory _ soil samples. shall be . collected at <br /> minimum intervals of one (1) sample every twenty feet (20 ' ) from <br /> areas identified as the -contaminated non-contaminated soil <br /> interface. <br /> Laboratory analysis of the soil samples will be conducted by either <br /> a certified mobile laboratory in the field,., or, a certified <br /> conventional laboratory. Confiratory soilsamples shall be <br /> analyzed for Total Petroleum Hydrocarbon content using EPA Test <br /> Method 418 . 1, and for benzene,. toluene, xylene, and ethylbenzene <br /> i <br /> (BTXE) using EPA Test Method 8020.- <br /> ISSUE: <br /> DISPOSAL OF ENTRAINED WATER IN EXCAVATED SOILS: <br /> Contaminated soils are to -be excavated to a maximum lower depth <br /> defined by the occurrence of shallow groundwater. The majority of <br /> the soil material to be excavated is expected to be dry to slightly <br /> moist, with the general capacity to soak-up more moisture. <br /> Therefore, it is probable that any entrained water will be soaked- <br /> up by the general bulk of the excavated . soils. <br /> Toxic Technology, Inc. <br />