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Dividend Development Corporation October 23, 1991 <br /> Addendum Remediation Workplan Page 2 <br /> The four (4) speci'fic' subjects' mentioned in the memorandum which <br /> need to be addressed are- listed -below.: <br /> * Propose a means for removing: "free product" from the capillary <br /> fringe (soil groundwater interface) and the. groundwater. <br /> * Designate a method to substantiate if all of 'the contaminated <br /> . soil has been excavated -in- the field. <br /> * Designate a disposal method for water entrained in the <br /> r excaveted._-petroleum-nimpacted soil -_ _ <br /> * Designate a -soil biotreatment location, and a method for <br /> substantiating the success of. biotreatment. _ <br /> WORKPLAN ADDENDUM CONTEXT: <br /> In the interest of project expediency, instead • of submitting a_.- <br /> revised remediation workplan, TTI. has prepared an Addendum <br /> Remediation Workplan- which should be joined - with the original <br /> workplan submitted to the RWQCB. <br /> i <br /> ISSUE: <br /> REMOVING "FREE PRODUCT" FROM CAPILLARY- FRINGEAND GROUNDWATER: . <br /> There is a possibility that some free product may be exposed in the <br /> capillary fringe of the. aquifer during excavation of the lowermost <br /> contaminated soils. Soil. from .the capillary fringe of: the aquifer <br /> will be inspected for free product -during excavation operations. <br /> A field, map shall : be constructed in the field by the project <br /> geologist whereby a description <br /> If free product is. encountered within . the capillary fringe, the <br /> Toxic Technology, Inc. <br />