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1 <br /> Lyles <br /> CONSTRUCTION P.O. Sox 4438 <br /> GROUP Fresno, CA 93744 <br /> Tel: 559-441-1900 <br /> Fax: 559-441-1290 <br /> www.lyiesgroup.com <br /> August l I`h,2008 <br /> Port of Stockton Environmental Department <br /> 2201 West Washington Street <br /> Stockton, CA 95203 <br /> (P)209-946-0246 <br /> (F)209-464-1251 <br /> Ms.Rita Koehnen, <br /> Lyles Mechanical Company is pleased to provide this action plan detailing the process for the cleanup of the con- <br /> taminated soil that was identified onsite. <br /> As determined by the analytical results received from McCampbell Analytical,Inc.,three of the six areas sampled <br /> contained Total Extractable Petroleum Hydrocarbons(TPH)above the Final Environmental Screening Level(ESL) <br /> of 180 mg/kg. Two of the six areas sampled contained Petroleum Oil&Grease(POG)above the Final ESL of <br /> 2500 mg/kg. <br /> Sample A Pile is the soil that was extracted and contained immediately upon finding. This sample exceeded the <br /> Final ESL for both TPH and POG. All of this soil has been transferred into a drum that is approved for contain- <br /> ment and transportation of hazardous waste materials. Safety Kleen provided us with two 55 gallon drums for this <br /> purpose. No further sampling will be conducted on this area as all of the soil has been contained. <br /> Sample E West is the sample that was taken from the surface approximately one foot west of the excavation. This <br /> sample exceeded the Final ESL for both TPH and POG. We have extracted one square foot of soil around the ini- <br /> tially sampled area and contained the extracted soil in the drums provided by Safety Kleen. The bottom of the <br /> newly excavated area will be sampled and tested for TPH and POG. <br /> Sample F Inside Hole exceeded the Final ESL for TPH.We have extracted down another foot the entire width and <br /> length of the hole to ensure removal of all contaminated soil. This soil has been contained in the drums provided <br /> by SafetyKleen. The bottom of the newly excavated area will be sampled for TPH. <br /> Safety Kleen is scheduled to return to the site on Wednesday,August 13`h,2008 to draw samples from the bottom <br /> of the excavations at Sample E West and Sample F Inside Hole. The results of these samples will be provided to <br /> the Port of Stockton upon receipt. Should analytical results return levels higher than the Final ESL for TPH or <br /> POG,additional excavation will be conducted and soil will be contained in the drums provided by Safety Kleen. <br /> Once this process is complete,all drums containing contaminated soil will be scheduled for removal and proper <br /> disposal by Safety Kleen. <br /> Regards, <br /> Kelly Durrer <br /> Safety Department <br /> Lyles Construction Group <br /> Corporate Office: 1210 W. Olive, Fresno, CA 93728 <br /> American Paving Co. Kaweah Construction Co. Lyles Mechanical Co. W.M. Lyles Co. <br /> Ca. Lic No. 181430 Ca. Lic No. 130865 Ca. Lit No. 433674 Ca. Lic No. 422390 <br /> Colusa Sacramento Fresno Visalia Bakersfield Temecula <br /> Equal Opportunity Employers <br />