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5ar� <br /> PUBLIC HEALTH SERVICES <br /> SAN JOAQUIN COUNTY z: <br /> ENVIRONMENTAL HEALTH DIVISION <br /> Ernest M. Fujimoto, M.D., M.P.H., Acting Health Officer <br /> 445 N. San Joaquin Street • P. O. Box 388 • Stockton, CA 95201-0388 R�rFoa�' <br /> 249/468-3424 <br /> E� <br /> MILITARY DEPARTMENT Fly <br /> STATE OF CALIFORNIA <br /> ATTN. C.A.S.E. <br /> 9800 GOETHE RD <br /> PO BOX 26910I r. 2 4 199 <br /> SACRAMENTO CA 95826-9101 <br /> RE: ARMY AVIATION SUPPORT FACILITY SITE CODE: 1732 <br /> 2000 Stimson Road <br /> Stockton, CA 95209 <br /> San Joaquin County Public Health Services, Environmental Health Division (PHS-EHD) is the regulatory agency <br /> that is providing oversight for the investigation of the underground petroleum storage tanks (UGT) removed at <br /> this site January 16, 1990. <br /> Recently the staff person assigned to this site was changed and during the file updating process, it was <br /> discovered that the three (3) monitoring wells onsite have not been monitored or sampled since February 10, <br /> 1993. In order to provide you with the direction needed to maintain local and state well monitoring <br /> requirements, PHS-EHD will require that a sampling protocol and schedule be submitted for approval <br /> immediately. <br /> Enclosed please find a copy of the "Tri-Regional Guidelines, Appendix A-Reporting". Quarterly monitoring <br /> events are to conducted and PHS-EHD is to be notified of the dates with 48 working hours notice. <br /> Also enclosed is a copy of PHS-EHD correspondence dated May 25, 1993. As you will notice, comments and <br /> direction were offered in this letter, but it appears that it may have been directed to an office without the ability <br /> to comply. <br /> Recent contact from a consultant preparing a "bid" for .further subsurface investigation indicate that onsite work <br /> may be commencing in the near future. PHS-EHD would like to take this opportunity to ensure that any <br /> proposed onsite work also include sampling of the monitoring wells and the submittal of the required quarterly <br /> reports to PHS-EHD in a timely manner. <br /> Please have your consultant contact our office prior to any sampling event or report submittal to ensure that the <br /> minimum requirements of each are made clear so incomplete or invalid work is not preformed. <br /> Please direct your submittals or any questions you may have to Michael Infurna at (209) 468-3454. <br /> Donna Heran, REHS, Director <br /> Enviro ental Health Division <br /> Michael Infurna, Senior RE S Diane M. Hinson, REHS <br /> Site Mitigation Unit Supervisor <br /> MI/enc. <br /> A Division of San Joaquin County Health Care Services <br />