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r <br /> eased upon this Information, the LIA and Regional Board probably could accept the <br /> Initial proposal to begin wor!,. Once the drilling has provided data, the consultant <br /> could then follow up the Preliminary Report with a letter describing the rindingS <br /> and any additional borings on the modified site m:;) needed to define the problem. <br /> We could review this proposal quickly and els=.-r auprove verbally, In writing, or <br /> discuss at a meeting with the tank owner and consultant. The consultant would <br /> thea proceed to obtain the necessary permits and continue the problem <br /> as,essment. <br /> ' SSESSM NT <br /> 'During Problem Assessment, while the drilling equipment is on-site, boreholes and <br /> monitor wells should be completed as necessary to define the soil and ground <br /> water problem. We can provide verbal authorization for additional d"%lling on-site. <br /> Off site drilling may require a slowdown but hopefu!'.r nL�t a cessation of <br /> activities because of the need to obtain the cooperation of off site property <br /> owners to permit drilling on their property. <br /> This report should incorporate the Preliminary Report Information in summary and <br /> delineate the problem accurately by including: <br /> Pagination <br /> Tables summarizing raw data such as compound concentrations found <br /> Figures delineating horizontal and vertical extent of a plume <br /> Depth to f first and second ground water <br /> Ground water gradient based upon recent data <br /> Soll stratigraphy based upon borings, wells, and trenches <br /> Local wells, buildings or utilities impacted or potentially threatened <br /> Defined "ZERO LINE" for soil and ground water contamination <br /> Floating productfound--depthand extent <br /> Investigate aad submit proposals and costs for at least: } <br /> a. Excavation <br /> b. On-site soll aeration <br /> c, off site soll treatment <br />