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f PuBtt HEALTH SER ICES <br /> 5AN JOAQGIN COUNTY <br /> JOG[KHANNA I.D.. t.P.H. <br /> Health Officer <br /> .P <br />{. P.O. Box 2009 • (1601 East Hazelton Avenue)• Stockton,.CaHfbmia 95201 oR <br /> (209) 468-3400 <br /> y June 22, 1992 <br /> i <br /> j Mr. Fred Moss ! <br /> Moss Engineering <br /> 16520 Von Sosten Road <br /> Tracy, CA 95376 ..- <br /> i I, <br /> RE: Caldron's General Store I <br /> 12750 West Byron Road <br /> i Tracy, CA 95376 <br /> Public Health Services-Environmental Health Division (PHS-EHD) Chas received your letter dated June 9, <br /> 1992, regarding the underground storage tank removals performed on November 14, 1991, at Caldron's <br /> General Store. <br /> After review of the tank closure field inspection report for this site, it was determined that tank#2, a steel <br /> 2,000 gallon regular unleaded tank was corroded and contained 1%2 inch holes at the bottom, south end <br /> of the tank. Soil discoloration and petroleum odor were also noted lin this location. Soil and water sample <br /> results received from GeoAnalytical Labs revealed that soil sample"SI2"and the sample of"excavation water", <br /> both,obtained from this same.area, exhibited contamination. i <br /> l PHS-EHD utilizes the "State Leaking Underground Fuel Tank(LUFT) Manual" and the "Tri-Regional Board <br /> Staff Recommendations" when evaluating tank closure field inspection and soil/water sampling results. <br /> According to the Tri-Regional Recommendations,if a tank system failure is evident,such as holes in the tank <br /> or the presence of stained soil, further soil or groundwater investigation is necessary. <br /> Based on this information and the documented contamination discovered at this site,it is recommended that <br /> you contact the PHS-EHD Site Mitigation Unit at (209) 468-3450;for additional guidance regarding this , <br /> matter. } <br /> Ron Valinoti,R.E.H.S., Director E <br /> Environmental Health Division <br /> Donna Heran, R.E.H.S., Program Manager <br /> Environmental Health Division M t <br /> RV/bs. <br /> A Division of Fan Joaquin County Health Care st, Ccs <br /> I <br />