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r <br /> << kn KLEINFELDER <br /> results of soil samples is reviewed to determine the most appropriate areas from which to apply a <br /> soil gas sampling protocol. <br /> ITEM 6 <br /> A sample is needed below the sump on the eastern side of the concrete wash out pad because of <br /> operations in this area. <br /> In accordance with the RWQCB request an additional soil sampling location will be added to the <br /> scope of work proposed in the revised workplan. The additional soil samples will be collected <br /> from the surface, 1 foot bgs, and 3 feet bgs. Only the 1 foot sample will be submitted for <br /> laboratory analysis at this time. The soil sample will be analyzed for pesticides, fumigants, <br /> fertilizer constituents, carbamates, organophosphates, metals, TPH-d, TPH-g, aromatic <br /> hydrocarbons, oxygenates, chlorinated hydrocarbons, VOCs, and semi-VOCs. Please refer to the <br /> attached revised Plate 2. <br /> ITEM 7 <br /> The Revised Work Plan proposes to collect a sample from the domestic water well on site. <br /> Schematic information for this well is needed. <br /> In accordance with the RWQCB request, a search for a well schematic of the domestic well <br /> onsite will be implemented. Local county Environmental Health Department and State <br /> Department of Water Resources will be queried for data pertaining to the site. <br /> ITEM 8 <br /> All investigative derived waste must be characterized and disposed of properly in accordance <br /> with state, local, and federal regulations. <br /> As stated in the revised workplan (Chapter 7 Assumptions) "Disposal of all drilling/sampling <br /> derived wastes is the responsibility of Ms. Schmiedt." However, to aid in the proper handling <br /> and disposal of the contained soil and water, the containers will be clearly marked to distinguish <br /> the contents origin. Soil samples collected for laboratory analyses will be correlated to the <br /> containers of waste soil and/or water. Following characterization of the waste soil and water, as <br /> stated in the RWQCB comments, the investigative derived waste will be disposed of in <br /> accordance with local, state, and federal regulations. Kleinfelder can aid Ms. Schmiedt with this <br /> process if requested,at an additional charge to her. <br /> ITEM 9 <br /> All method detection limits for soil must be below the residential EPA Region IX Preliminary <br /> Remedial Goals for residential soil and below appropriate water quality objectives for <br /> groundwater, or the lowest appropriate technically feasible limit achievable by the laboratory. <br /> 27125.WP1 /ST03L443 Page 3 of <br /> Copyright 2002,Kleinfelder, Inc. August 18,2003 <br />