Laserfiche WebLink
I <br /> Mr. Jim Thompson <br /> December 28, 1986 <br /> Page Two <br /> Task I - Establish Site Geology <br /> This task would include conducting the electric logs <br /> on four existing deep wells at the Cherokee Station. From this <br /> information GMS will develop isopacks and cross-sections of the <br /> site. After the site geology has been documented, GMS will <br /> recommend which wells should be plugged and the location of the <br /> new monitoring wells. At this time GMS can not estimate the <br /> number of wells to be plugged and the number of existing wells to <br /> be installed. Note: if the existing survey information is not <br /> consistent, then GMS will need to survey the existing wells to <br /> develop the cross-sections and isopacks . <br /> Task II - Determine Hydrogeological Conditions <br /> This task is to plug several of the existing <br /> monitoring wells and then install new wells. After this site <br /> work is completed, GMS will have the new and existing wells that <br /> will be used surveyed. GMS will then develop the wells and <br /> collect representative samples for analysis. Analysis will <br /> include Total Organic Carbon (TOC) , pH, Conductivity, Benzene, <br /> Toluene, Xylenes, Ethyl Benzene. Note: Aromatics will be tested <br /> by GCMS. GMS will conduct two sampling cycles which will include <br /> water level determinations as well as product thickness <br /> determinations. GMS will conduct geotechnical testing on core <br /> samples collected during the installation of the new monitoring <br /> wells. <br /> Task III Groundwater Assessment Plan <br /> This task will be to develop a Groundwater <br /> Assessment Plan and if necessary develop the type of Remedial <br /> Action necessary to improve groundwater quality. This plan will <br /> be based on the information developed from the existing data base <br /> and the isopacks, cross-sections and analytical data developed <br /> under task I & II. This plan will be certified by a Profession <br /> Geologist and Engineer. <br /> Task IV - Meet with the California Agencies <br /> This task will be to meet with the local and state <br /> agencies to explain the Assessment Plan and the recommendations <br /> outlined in the referenced plan. <br /> GMS & ASSOCIATES <br />