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~ III IIIIIIIIIIIII III • <br /> <br />STATE OF COLORADO <br />DIVISION OF MINERALS AND GEOLOGY <br />Department of Natural Resources <br />1313 Sherman Sr, Room 215 <br />Denver, CO 80203 <br />Phone: (303) 866-3567 <br />FAX: (3031 832 8106 <br />June 10, 1993 C// <br />TO: Susan Morrison 7~ <br />FM: Shawn Bmith~ v <br />pF' COQ <br />~`~ R <br />„~'^ <~. <br />~•r,l~ <br />r8 ]® 6 ~, <br />Roy Romer <br />Gmernor <br />Michael B. Lang <br />Division Dveclor <br />Re: Departing No es on AHR for 1992 <br />Edna (C-80-001) <br />Dear Susan: <br />As per my promise, I want to leave you with a few notes on the Edna <br />AHR as briefly reviewed by myself last month. <br />First, let's review the problems with the AHR. <br />Number one, there is the deficiency that P & M do not seem to <br />report their exceedences of the Colorado Dept. of Health material <br />damage suspect criteria, when they occur and where they occur. <br />This must be mentioned in the review letter that Dag Booth will <br />probably write. <br />Second, there are no data recorded or graphed on pg 17, first and <br />second graphs (EC and TDS) for the period of Dec 1991 to present. <br />I spoke to Dave Beverlin on this and he supplied me with the EC <br />figures in pen on bottom of page. Check for TDS lab reports! <br />Third, there seems to be an increasing trend in spoils well WR-1 <br />manganese content. This trend is way over exceedence levels and <br />needs to be carefully monitored in the future, if not some sort of <br />filtering process advised. From 1991 to 1992 manganese levels <br />jumped nearly 100$.- this was confirmed by Dave Beverlin who says <br />this is the result of "flushing". Well, somebody better put in the <br />toilet bowl flusher blue bar or something. ha, ha. This is <br />serious, pardon my relaspse, it's the mental state. See graph on <br />page 21. <br />And now for the rest of the story,aka: The Good News of the report! <br />1. The Moffatt well elevations have stabilized. <br />2. The spring and seep survey map is accurate. Look for in <br />1993's report, 27 seeps and 13 springs to be recorded. Steve <br />Ananola and I walked the Center Ridge, and West Ridge area for <br />springs and seeps. Also the Moffatt area and old East ridge. <br />The majority of springs and seeps appear to be dewatering the <br />Center Ridge slide, which is good for structural stability. All <br />