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under chain of custody. Subsequent analysis for samples acquired <br /> as described would be for TPH-D, TPH-G, BTX&E, and Total Lead <br /> using appropriate EPA methodology. <br />' Sample blanks and/or duplicates would be acquired as specified <br /> by DHS/EHD. All sampling equipment will be thoroughly scrubbed <br /> with Alconox solution followed by a distilled water rinse prior <br /> to and between all samplings . <br /> All work will be performed under the direction of a qualified <br /> geologist or hydrogeologist whose work will be supervised by <br /> a registered civil engineer/geologist with appropriate environ- <br /> mental experience. <br />' Subsequent to the completion of on-site tasks, and upon the <br /> receipt of laboratory data, reports will be prepared for each <br /> phase of work. These would include methodology, maps and graphs, <br /> and modeling (where appropriate) , as well as conclusions and <br /> recommendations. <br /> If you have any questions regarding this proposal , or if we <br />' may otherwise be of assistance, please contact either of the <br /> undersigned at ( 415 ) 455-4991 . <br /> Sincerely, <br /> �►ED GE <br /> Valcrtin Constantinescu, M. Sc . �5�� O� <br /> HydrogeologistL�A� <br /> and' O. 5 7-A4t�� .9 .T6- <br /> N4.444 <br />' Michael A. Wopat, Ph.D. O�OF CA1-�F <br /> Registered Geologist <br /> VC/MAW:dr <br /> enc. Appendix "A" . . .Overview of Ex-Situ Bioremediation <br /> Processes <br /> Appendix "B" . . .Description of In-Situ Bioremediation <br />' Processes <br /> Appendix "C" . . .Well Construction Details <br /> Appendix "D" . . .Health and Safety Plan <br />' cc: Mr. Zachary Deutsch <br /> City Thrift and Loan Association <br /> 5. <br /> 1 <br />