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INTERNATIONAL TECHNOLOGY CORPORATION <br /> Mr. Harlin Knoll <br /> Page 2 of 3 <br /> Before undertaking any field work, IT will prepare a site-specific Health and Safety Plan as <br /> required by OSHA. All groundwater purged during the sampling will be stored in one 55-gallon <br /> drum and stored on-site pending laboratory analysis. It is assumed that the groundwater will be <br /> free of gasoline hydrocarbons and the drum of water can be discharged on site. <br /> Task 2. Closure Report <br /> To document the results of the groundwater sampling activities and formally request <br /> environmental site closure, a Closure Report will be prepared. The report will include the ' <br /> laboratory results from the groundwater sampling and a chronology of previous environmental <br /> �LLcorrective actions au the site. To-write the chronology, a file review will be conducted at the <br /> offices of the PHSIEHD. The chronology and current groundwater conditions will form the <br /> basis of the Closure Report which will follow the Tri-Regional Board Staff Recommendations <br /> For Preliminary Investigation and Evaluation of Underground Tank Sites Appendix B. <br /> Task 3. Well Abandonment <br /> i <br /> Following regulatory approval of the Closure Report, the three monitoring wells will be <br /> abandoned under PHSIEHD permit. To abandon the wells, they will be filled with a cement <br /> grout and put under pressure. This "pressure grout" method fills the well and filter pack with ; <br /> cement, eliminating it as a conduit to groundwater. The well cover will be removed and the <br /> surface will be patched with cement. <br /> SCHEDULE <br /> f <br /> The three work tasks can be completed in a total of 10 weeks. The duration of each of the tasks j <br /> is as follows: <br /> Task 1. Groundwater Sampling <br /> Workplan and Health & Safety Plan 1 Week <br /> Regulatory Review and Approval of Work Plan 1 Week <br /> Groundwater Sampling (1 Field Day) 1 Week <br /> Task 2. Closure Report <br /> File Review 1 Week <br /> Report Preparation 2 Weeks <br /> Regulatory Review of Closure Report 3 Weeks <br /> Task 3. Well Abandonment (I Field Day) 1 Week <br /> IT Corporation is a wholly owned subsidiary of Infemcrtional Technology Corporation <br /> i <br />