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Mr. Mike h9urna 3 December 16, 1991 <br /> Groundwater Sampling <br /> Prior to Sampling, the hydropunch wells will be checked for the presence of free floating <br /> product with product thickness measured where encountered. <br /> Same?es will be collected by lowering a decontamistated bailer through tht hydropunch, <br /> allowing it to fill and promptly removing it. The water sample in it will then be transferred <br /> into three 40-ml VOA glass containers. Sample bottles will be placed in a siploc bag and <br /> sealM with security tape. Samples will be hand delivered to an on site mobile DOHS <br /> certified laboratory for analysis. <br /> Chemical„Anal ysis <br /> Groundwater samples will be analyzed for TpH as gas and B=by EPA methods modified <br /> 8015 and 8020. <br /> 'y Rgport <br /> Following the investigation a report will be prepared to include tht!following: <br /> _ y <br /> r.� outline of scope and purpose <br /> • disci:cion of methods <br /> • groundwater analysis results T. <br /> • a map of sample points <br /> • discussion <br /> I . <br /> I hope this addendum has sufficiently described the planned investigation and has addressed <br /> any Concerns you may have. If you have any further questions of comments,please call me <br /> at(510)372-9100. <br /> Thank you for your attention to this matter. <br /> } Sincerely, <br /> Sydney Mills <br /> 3 Project Manager <br /> SM btm- -- -- - -- - -- - --—- -- - <br /> WW0837 <br />