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U ;► <br /> Hygienetics® <br /> Environmental LpV1R'�-) ,Mi00 Ali. HEAL 11 <br /> Hygienetics Environmental Services, Inc. `Ji'i�# t ,'f'w'4't'-2433 Mariner Square Loop, #210 Phone:(510) 749-1003 <br /> 03 OCT -GPM 1� <br /> I eda,CA 9450 Fax: {510} 749-1069 <br /> �� <br /> October 3, 2003 <br /> Mr. Jeffrey C. F. Wong <br /> San Joaquin County Environmental Health Department <br /> 304 East Weber Avenue,Third Floor <br /> Stockton, California 95202-2708 <br /> RE: Disposition of Stockpiled Soil at Bulk Transportation Facility, 3032 South El Dorado <br /> Street,Stockton, California. <br /> Dear Mr. Wong: <br /> In a telephone conversation on September 26, 2003, you indicated your office would not allow <br /> the diesel-impacted soil presently stockpiled at the Bulk Transportation facility to remain on the <br /> site. The reason for this decision was that little volatilization and no biodegradation of the diesel <br /> contamination would take place when the soil was spread and aerated on the concrete or asphalt <br /> surface. I indicated to you that Bulk Transportation had mentioned their intent, if allowed, to <br /> place the diesel-impacted soil in the unpaved area between the chain-link fence and the railroad <br /> tracks located on the western side of the property. <br /> Subsequent,to. the. September 26.,conversation, I contacted Mr. Andrew Woods of Bulk <br /> Transportation to.confirm his intent and desire.to,,place the-diesel-impacted soil in this unpaved <br /> area to enhance biodegradation of tfi+diesel fud.'Mr. Woods indicated he planned to spread the <br /> soil on the ground surface in a maximum 8-inch-thick lift and disc the soil to mix it thoroughly <br /> with the underlying native soil. This process would place the naturally occurring microorganisms <br /> in the native soil in contact with the diesel-impacted soil and aid in the natural degradation of the <br /> diesel. The mixing process would also help aerate the more volatile constituents of the diesel. <br /> Bulk Transportation requests the San Joaquin County Environmental Health Department's <br /> approval of this on-site disposal plan: Please call if you have any questions. <br /> Hygienetics Environmental Services,Inc. <br /> Rodger C. Witham,R.G., C.E.G. <br /> Project Manager <br /> cc: Mr..Kevin Krause, Foss Environmental&,Infrastructure. <br /> ,Mr..Andrew Woods,Bulk Transportatton <br /> Cry+ .-,,, r,r�;� .., rhe rtc.�°. :• ter ..,. •.•f'. <br />