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Mr. Jim Tatum -2- August 12, 1993 services of a qualified plumbing contractor to lower the elevation of the retrofitted gravity- style sump pit drain so that it drains the pit from the bottom/side, provide continuous '/." slope per foot and discharges beyond the bank north of the home." Your July 12, 1993 letter states, "No evidence exists that any surface water ponding exists around the entire building perimeter as you state. The lawn that surrounds the house doesn't bear out this statement." In fact, the March 8, 1993 report which you commissioned states the following: a. "The courtyard, on the most southern side of the building, appears to have a negative slope toward the building. In addition, areas of water oondino exist around the entire building perimeter which contributes to localized subsidence/compaction of the soils near the foundation." (Page 3; emphasis added); b. "Photograph 3 -There appears to be negative slope within the courtyard from the wall/fence back toward the dwelling. If not corrected, this condition will allow water ponding adjacent to the foundation, cause subsidence of soils, and create the potential for water seepage into the lower levels of the home." (Page 5); c. "Photograph 5 -The small arrows point in the direction surface runoff water is believed to flow and pond next to the buildings' foundation. The large arrow shows the ideal direction surface water should flow." (Page 6). In addition to these comments regarding the main structure, comments regarding ponded water around the bunkhouse were provided in the March 8, 1993 report as well. On page 18, the report states: "Photographs 1-4 -Various views of the bunkhouse. Note the water ponding area in photo 3, at or near the most northeast corner of this building..." The Division has reviewed the information which you have submitted and has rendered its opinion. Although you may disagree with the findings of your report, we must evaluate all information available. Regarding your concerns with Basin Resources' misrepresenting to the Division the location of the underground mine workings, the only factual basis the Division has in determining extent of any underground operation is from information provided by operators. During the winter of 1992-93, the Division observed some of the pine trees near the fan turning brown. During inspections held this summer, we have observed all but one of the trees returning to their normal color. The one tree 50 feet from the fan has as yet not fully recovered. As we have stated before, concerns regarding air emissions should be discussed with the Air Pollution Control Division of the Colorado Department of Health, as they are the agency responsible for issuing air emissions permits. We recommend you contact: