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HOM ~'AK~ • <br />O <br />iii iiiiiiiiiiiiiiii <br />ALAN D. COX <br />CORPORATE MANAGER, ENVIRONMENTAL AFFAIRS <br />State of Colorado <br />Department of Natural Resources <br />Division of Minerals and Geology <br />484 Turner Drive, Building F, Room 101 <br />Durango, CO 81301 <br />May 18, 1998 R~~Qd <br />MAY 2 2 1998 <br />puranno Fietd attire <br />;, Goolo9Y <br />Attn: Mr. Steve Shuey, Environmental Protection Specialist <br />VIA FACSIMILE & FIRST CLASS MAIL ~C~ i/E~ ®FFICE <br />RE: Bulldog Mine Reclamation Project PUBLIC FILE COPY <br />9360 Level Adit Closure Monitoring Plan FILE: /+'j - 77-~ (s <br />SITE: B~ „~ <br />Dear Mr. Shuey: <br />1'IL~7 <br />Thank you for your comments dated April 27, 1998, regarding the above referenced monitoring plan In that <br />letter DMG requested that Homestake Mining Company respond by May 15, 1996 with any comments or <br />concerns. The primary focus of the letter pertains to the monitoring program elements and frequency during <br />the planned tracer test, Tor which Water Management Consultants, Inc. is currently finalizing the design and <br />procedures. The basis for the tracer design is being developed from an analytical solute transport simulation <br />to estimate tracer arrival time and required initial concentration levels for the test. Upon ccmpletion nt this <br />evaluation, the tracer test design and procedures will provide the basis for establishing monitoring <br />requirements. The design is currently being finalized by W MCI. <br />As the tracer tesT design forms the basis for the related monitoring requirements, I am requesting that our <br />comments on monitoring requirements be outlined along with the final tracer design documentation which will <br />be submitted to your office for review by The end of this week (week of May 18). <br />Thank you for your time and attention on this matter. Ii you have any questions, please contact me in the <br />San Francisco office; my direct telephone number is 415 983 8180 -FAX 415 397 5016. <br />Very Truly Yours, <br />cc: R. Cellan, Grants <br />F. Martinez, Alamosa BLM <br />D. Holmer, Colorado WQCD, Denver <br />J. Rowe / S. Randall, W MCI, Denver <br />HOMESTAKE MINING COMPANY <br />850 CALIFORNIASTREET~SAN FRANCISCO~CA 9d~09-2JB8 (d15190t~S150 <br />