SITE INFORMATION AND CORRESPONDENCE

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HEALTH SERVICESPUBLICs SAN JOAQUIN COUNTY Z a JOGI KHANNA M.D.,M.P.H. Health Officer P.O. Box 2009 • (1601 East Hazelton Avenue) 0 Stockton,California 95201 (209)468-3400 JERRY MOORE MOORE PETROLEUM MAR P O BOX 67 BANTA CA 95340 RE: Franks Exxon #2 SITE CODE: 1.464 1399 E. Yosemite Manteca, CA San Joaquin County Public Health Services, Environmental Health Division (PHS/EHD) has reviewed the "Quarterly Groundwater Monitoring Reports" dated December 8, 1992 and February 11, 1993; the information for the "National Pollutant Discharge Elimination System Permit" dated November 30, 1992; and the information on the "Vapor Extraction Source Test" dated October 20, 1992 prepared by Aegis Environmental, Inc. for the above referenced site. . On March 5, 1993, the public notification period for the "Final Remediation Plan" and its addendum began. A copy of the public notice that was distributed to the surrounding businesses and residences is enclosed for your information. In the addendum to the "Final Remediation Plan" it is stated that the work outlined in the well installation work plan dated April 30, 1992 will proceed after remodeling of the service station. As stated in the PHS/EHD letter dated June 22, 1992, plans for groundwater extraction should not be finalized until the monitoring wells have been installed and the plume of groundwater contamination has been physically defined. Proceeding with this work should not be based on remodeling of the service station. In fact destruction of MW-3 must be completed prior to building over that area. Completion of the work should be done by April 5, 1993,which is the date that the "Final Remediation Plan" may become final. It is stated in quarterly reports July 1992 through February 1993 that MW-IB was not sampled due to the presence of floating liquid hydrocarbons. Table 2 of the analytical results indicates "sheen". The floating liquid hydrocarbons should be removed from this well. If the floating hydrocarbons can be bailed off the well should be sampled. If there is measurable free product it should be removed from the well using appropriate recovery and disposal techniques per California Code of Regulations Title 23, Division 3, Chapter 16, Section 2655. A free product removal plan should be submitted to PHS/EHD within 45 calendar days of the date of this letter. In addition free product removal reports shall be included in your quarterly reports and should include the following information: A Division of San Joaquin County Health Care Services