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Kennedy/Jenks/Chilton <br /> Consulting Engineers <br /> 3336 Bradshaw Road,Suite 140 <br /> lifornia 95827 <br /> 30 November 1989 Sacramento,Ca 916-3623251 <br /> FAX 916-362-9915 <br /> Mr. John Menke <br /> California Regional Water Quality Control Board <br /> Central Valley Region ' Elm Routier Road , 1 <br /> Sacramento, CA 95827-3098 <br /> DEC 6 13$9 <br /> Subject: Response to Regional Board Comments Pi 'ENTAL HEALTH <br /> Site Remediation Work Plan ENVIROIRGN iT/S AL H ES <br /> Cal -Farm Supply, Stockton Facility <br /> Stockton, California <br /> K/J/C 882526.01 <br /> Dear Mr. Menke: <br /> On behalf of Cal -Farm Supply Bankruptcy Trustee (Cal -Farm) , Kennedy/Jenks/ <br /> Chilton has prepared responses to the California Regional Water Quality <br /> Control Board's (Regional Board) comments regarding the remediation work plan <br /> for the Cal -Farm Supply, Stockton facility (work plan dated 13 October 1989) . <br /> The Regional Board's comments were transmitted to us in a letter dated 27 <br /> October 1989. For the purpose of clarity, each of the Regional Board's <br /> comments are shown in boldface type. Kennedy/Jenks/Chilton's response to each <br /> comment follows the boldface type section. <br /> Tasks 1,2,6,7, and 8 appear satisfactory to achieve their respective <br /> objectives. However, if the tank removal surveillance (Task 2) reveals that <br /> significant leakage has occurred, a supplementary work plan should be <br /> submitted which describes the additional assessment work that will be done. <br /> If you are unsure as to what constitutes "significant leakage, please contact <br /> Mr. Tom Peltier at 916-361-5731 to discuss the results of your post-removal <br /> sampling. I have also enclosed copies of a reference document "Regional Board <br /> Staff Recommendations for Initial Evaluation and Investigation of Underground <br /> Tanks" and it's Appendix "Central Valley Regional Board Reporting <br /> Requirements". These documents should be consulted to guide site work and <br /> report preparation. in addition, your proposal to aerate soils to remove <br /> petroleum hydrocarbons is subject to approval by the San Joaquin Air Pollution <br /> Control District; you can contact Mr. Seyed Sedredin at 209-468-3474 for more <br /> information on the District requirements and review process. <br /> If information obtained during Task 2 (tank removal ) indicates that the <br /> hydrocarbon leakage from the underground storage tank is more extensive than <br /> originally anticipated, interim measures; as discussed in the 13 October 1989 <br /> work plan, may be required. Removal of contaminated onsite soil may extend <br /> to the existing fenced boundaries of the property, if necessary. If <br /> laboratory results from the soils collected from the limits of the excavation <br />