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/~' AMERICAN <br />/~ SOD <br />A, LLP <br />zw coaihy 1,,,,r,l ...,, _ - - -- - <br />F~arechui.e. cu 61 ti:35 <br />Wednesday, October 31.2001 <br />Mr. Allan Sorenson <br />Colorado Division of Minerals and Geology <br />1313 Sherman sweet, Ronm 215 <br />Denver, Cpl 8r i~~l=);.~ <br />Dear Mr. Sorenson. <br />Ed Cooley <br />itrategir Develnprnenr. <br />Environmental Aff~nn, <br />Inlrl•nnhunnl Telephone ~ 1 (~I%UI 285-B:,I r <br />Tall Free CAr~Wxrrer Serncn (&.'715LH7A ;c,1 ~ <br />Tull Fran Cuetunwr S.nv~cn 18Hri14 r31!.;AHi~ <br />Garlarul Fars,nnw I'IiUl 2a`N;'3y:~ <br />l:uetomer Service T-or:nmula f`37T11 '28'.;rl•1PA <br />FNV~15.01 <br />S~rriuh+r. Ifet <br />Pcrnur r4 M199911(1? ('unriJcnriul?' <br />r las.. H d.b(cz I rrr s~~y. <br />prom: ~Mfh[QJJSCL~a I" DVYt[j <br />I)n: ~umr Zpjal 3+}tl r~~~,fl~ p„~._., <br />I>alc: 10-31- Zwl ^~w-<-)rT <br />Enclosed please find American Soda's fourth Operational Quarterly Report in compliance <br />with Hard Rock Mining Operation Permit No. M•99-OD'2. This document includes <br />operational analytical daW and environmental ground water monitonng data collected and <br />compiled during our fourth quarter of operations, July 1, 2001 through September 31, <br />2001. <br />The ground water data summary report is spiral bound as a non-confidential document and <br />includes a comparison of the 4th operatronal quarter wrth baseline and operational general <br />statistics prior W the reporting period. In addition, the tables provide rnformation for <br />comparison of Ground Water Standards as provided in Regulation No. 41 of the Colorado <br />Department of Public Health and Envu•onment Water Duality Control Commission and <br />Numeric Protective Levels and Early Warning Indicators. <br />Comparison of the data values with the Eariy Warning Indicators (EWI) and the Numeric <br />Protective Levels INPL) Is showing some values slightly above the established limits. These <br />values are summer'ued in Tahle 1 and highlighted in red rn each of the summary tables <br />within the document Included with this letter are two graphs illustrating the locations and <br />constituents that are slightly elevated above the established Numeric Protective Levels at <br />the designated point of compliance. These graphs include: <br />Well 21.3A Water Elevation ar7d Phosphorus Concentration <br />Well 21-3U Water Elevation and Barium Concentration <br />