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Memo - The 6MRI File Selection of Third Party Contractor & Lab page 3 results and prepare a summary report of each sampling tour. Dr. Maest estimates the total cost for her pre-sampling analysis and seven tom lete sampling rounds to be $23,736, plus the direct expenses of sample an lysis be passed through to BMRI. to Sherman J. Worthington, P.E. and Phillip L. Leonhardt, P.E., represe ted Waste, Water & Land, Inc. in the interview and coauthored the writte proposal. Messrs. Worthington and Leonhardt have extensive experien a in mine project engineering and water quality monitoring and sampling. W,W& also proposes to involve Ms. Elaine Donner, P.E. in the field sampling ac ivity. Ms. Donner has experience in hydraulic and traffic engineering. W,W L proposed to complete a pre-sampling review of the approved sampling nd analytical protocols established by BMRI in TR-006 prior to the firs sampling round. W,W&L then proposes to complete the required sampling oversi e, sample preparation and delivery to the laboratory, and to review the analyt cal results and prepare a summary report of each sampling tour. Messrs. Worthington and Leonhardt estimate the total cost for their pre-samp ing analysis and seven complete sampling rounds to be $25,160, plus the irect expenses of sample analysis to be passed through to BMRI. Based upon the proposals submitted, both nominees are capable of pro iding the required services to complete third party monitoring of the San Luis site. Neither firm has direct experience in Cyanide sampling. The princip e difference between the nominees lies in the involved professionals' ethnical training. Dr. Maest is a hydrochemi5t / geochemi5t, Messrs. Worthin ton and Leonhardt and Ms. Donner are civil engineers / hydrologists. All ap ear experienced and qualified in water sampling and environmental monito ing. Dr. Maest's job experience has stressed the specific evaluation of envir nmental monitoring programs design and protocol methodology. W,W&L's involy d professionals have routinely concentrated upon the project operation 1 design, with specification of monitoring programs to comply with regulatory requirements. Dr. Posey and I anticipate that problems which might be encountered wring the third party monitoring will most likely relate to specific hydrochemical and geochemical aspects of water quality analysis, in which case we suspect Dr. Maest would be more qualified to identify and remedy sampling-related data accuracy and reliability problems. Similar to the nominees for analytical laboratory, these two nominees are both qualified and capable. In my experience, this is an enviable position to be in. RCG/Hagler, Baill Int.'s projected cost is 6.0 percent less than Waste, Water & Land, Int.'s, relatively minimal difference. However, in consideration of the combination of slightly lower projected cost, the assignment of a single professi nal, and the opportunity to benefit from specific technical qualifications and experience of that individual, it is my conclusion that RCG/Hagler, B illy, Inc. is the preferred contractor to provide the "third party sampling' services we desire.