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--.�M17 <br /> .'mss max' _ o, ...✓ ,rt. =•$2 „N."gid_' - <br /> _ <br /> • <br /> v <br /> L.B.M.E. CCRPORATI( <br /> A Petroleum Testing and Monitoring Co. <br /> 38I4 Auburn Blvd.,Suite 62 <br /> Sacramento,CA 95821 z, - <br /> (916)972.9010 <br /> al Lt-A <br /> 1987 <br /> August 11, 1987 ENVIRLN;ENTAL HEALTH <br /> Lakhmir Grewal FERMIT/SERVICES <br /> Director, San Joaquin County <br /> Air Pollution Control District <br /> POB 2009 <br /> Stockton, CA 95201 <br /> RE: Excavation of Contaminated -Soils <br /> A. Teichert & Son <br /> 103 North E Street <br /> Stockton, California <br /> Dear Mr. Grewal: <br /> This letter is a request to aerate gasoline contaminated . <br /> soils on site at 103 North E Street, Stockton, California. <br /> The hydrocarbon content versus depth of excavation is as <br /> follows: <br /> Depth Kg Total _Petroleum _Hydrocarbon <br /> } 0 to 8.5' Est. 0 <br /> 13.5 1609 <br /> 13.5 - 18.5 2200 <br /> 18.5 - 23.5 700 _ <br /> 23.5 - 28,5 400 <br /> 28.5 - 33.5 200 <br /> 5100. Kg. TPH <br /> Soils will be excavated to a depth of about 23+ feet. The <br /> total TPH removed would be about 4,900 Kg. Work will start the <br /> week of August 10, 1987. The average contamination �)f soil <br /> removed will be approximately 4000 PPM total hydrocarbons. When <br /> this material is mixed with the clean soil',.-.hat is excavated with <br /> it, the average level of contamination will be in the range of <br /> 3000 PPM. It will be tested and spread for aeration per San <br /> Joaquin County APCO standard. <br /> The soil will be lightly irrigated and nitrogen added at a <br /> rate of about 3 pounds per 1,000 s,f. of soil 6" deep to increase <br /> aeration rate. Soil will be covered during rainy weather. <br />