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'�--WW'W— —_- ..e"-D' `�`" mss"w '- - R02 <br /> rai <br /> s <br /> NO <br /> MIA <br /> FWHF Environmental Consultant�Inc.. <br /> Post Office Box 6729 <br /> Modesto,CA 95355-6729 <br /> (209) 579-8136 <br /> - September 12, 1990_ <br /> i s.3,t.„, 6 4 .'s <br /> SEP 1 3 4r71 <br /> ENVIRONtt%IE.NTAL 11=ALTN <br /> Mr. Steven Schneider <br /> P E R N11.1T/ST VRV;:ES <br /> San Joaquin County environmental Heallly l3epartment <br /> P.O. Box 2009 <br /> Stockton, CA 95202 <br /> RB: Manna Pro Corporation <br /> at 4004 South Eldorado Street, Stockton <br /> Dear Mr. Schneider <br /> Please find attached a revised excavation plan to supersede the September 7, <br /> 1990 revisal. This plan proposes increasing the lateral and vertical limits to a point <br /> where the total volume of contaminated soil excavated should not exceed 5,000 cubic <br /> yards. <br /> The depths of the excavation will be increased to a maximum depth of 30 feet <br /> (Figure B) five feet above the water table. This depth may be less in some areas <br /> depending on concentrations of contaminants. The lateral limits of the excavation are <br /> shown on the aerial view(Figure A). <br /> Treatment of the contaminated soil stockpile will depend on overall <br /> concentrations of diesel, gasoline, and BTX&E. Cost estimates are being proposed to <br /> Manna Pro Corporation. <br /> The groundwater contamination will be addressed at a later date. Soil sampling <br /> will be conducted as soon as the balance of the contaminated soil is removed. <br />