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' 3.6 Tank Disposal <br /> The tanks were loaded onto Erickson, Inc., trucks, manifested, <br /> ' and hauled off for further cleaning and disposal. The tanks and <br /> debris were transported off site the same day as removal. The tanks <br /> were transported to Erickson, Inc., facilities at 255 Parr Boulevard, <br /> Richmond, California, to be cut up for scrap. A "Certificate of <br /> Destruction" will be provided by Erickson, Inc., to the appropriate <br /> ' agencies to verify that proper disposal has been completed. <br /> ' 3.7 Field Sampling <br /> Immediate sampling of soils beneath the steel tanks was <br /> ' precluded by the release of product that pooled on top of the clayey- <br /> soil unit in the bottom of the excavation after tanks#3 and #4 were <br /> ' removed. Mr. Snavely and Mr. Knoll directed that some of the <br /> excavation soils be placed into the excavation to absorb the product. <br /> Mr. Tom Deen, AT & SF, was contacted on January 5, 1988, and also <br /> ' concurred with this course of action. <br /> ' This procedure generated approximately 102 cubic yards of <br /> product-soaked soil which was removed on January 6 and 8, 1988 <br /> (68 cubic yards from tank #3 excavation and 34 cubic yards from the <br /> ' tank #4 excavation). The material was manifested and hauled to a <br /> waste-management facility by Erickson, Inc. Soil sampling was <br /> ' continued at this time. <br /> Mr. Snavely directed that two discrete soil samples be collected <br /> ' two feet below and near the ends of tanks #1 and #3 and that one <br /> sample be colleted from beneath tanks #2 and #4. When tank #4 was <br /> ' removed, Mr. Harlin D. Knoll directed that the sample be taken one <br /> foot below the tank excavation. Hand shovels were used to remove <br /> soils to sufficient depths so that the samples could be taken with a <br /> ' small trowel. These samples were immediately capped, sealed, and <br /> labeled. Care was taken to ensure that the sample was not <br /> contaminated with the clayey soils that had been in contact with the <br /> ' pooled products. All samples were placed in a chilled ice chest for <br /> subsequent shipment to a certified laboratory for analysis. Sample <br /> extraction and site monitoring was completed under the guidance of <br /> Mr. David H. Klise, R.G, LOK Environmental, Inc., of Ventura, <br /> California. The samples are identified as follows: <br /> ' 5 <br />