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DU P011t Blosystei - ����;�64 <br /> �,. r.. ZZ <br /> November 2 , 1988 Western Regional Office <br /> Job No. 1088-M-5 310 Main Street, Suite F <br /> Pleasanton, California 94566 <br /> (415) 462-7772 <br /> San Joaquin County Air Pollution Control District <br /> 1601 East Hazelton Avenue <br /> P.O. Box 2009 <br /> Stockton, California 95201 <br /> Attention: Mr. Likhmir Grewal <br /> Subject: Implementation of Vadose Zone Remediation Plan <br /> Kayo/Fast Gas Station <br /> 800 East Highway 12 <br /> Lodi, California <br /> Dear Mr. Grewal: <br /> The purpose of this letter is to present for your review and <br /> approval an interim plan for vapor extraction of volatile <br /> hydrocarbons in the soil at the Kayo/Fast Gas Station located <br /> at 800 East Highway 12 , Lodi, California. A site location <br /> plan showing buildings and well locations is provided in <br /> Figure 1. <br /> Leaks in the station's underground storage tanks were detected <br /> in July, 1985. Kayo Oil conducted an environmental <br /> investigation which led to the implementation of a ground <br /> water recovery and treatment system via an air stripping <br /> tower. This system is currently in operation to contain the <br /> hydrocarbon plume and to reduce the dissolved contamination. <br /> Ground water levels in the vicinity of the site are dropping <br /> in elevation leaving a number of our on-site ground water <br /> monitoring wells dry. We would like permission to implement <br /> an interim remediation program utilizing soil vapor <br /> extraction, to address the contamination in the vadose zone <br /> concurrently with the ground water recovery and treatment <br /> system. It is our intention to operate both the ground water <br /> and soil vapor systems provided environmental conditions are <br /> conducive, until bioremediation, as approved in the final <br /> remediation plan for this site, can be implemented. <br /> 368 TurnerWay . Aston Pennsyivanr 19014 . 2155- 497-5800 • 800.5,8.',964 QU p�NT <br />