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• (Page 3) MINE ID ,# OR PROSPECTING ID ~ INSPECTION DATE 10/30/95 M-77-342 INSPECTOP.•S INITIALS ACS Other Inspection Tonics The No. Flume House was inspected. A 2000 gallon steel tank for storage o1'. Sodium Hydroxide ie located in the Flume House, as well as 2 flocculent tanks. Any spills i.n the No. 1 Plume House would report to No. 1 Pond, located just to the north. Mitch Lapp reported that concrete curbing would be installed at the man-door and overhead-door in the Flume House to more efficiently direct any epille into the open ditch in the floor that conveys water to the ponds. Mitch Lapp also reported that more sophisticated electronic a].arma and' control systems will be installed in the Flume House. The No. 1 Shaft House water treatment facilities were inspected. A b000 gallon steel tank for storage of Sodium Hydroxide ie located in the No. 1 Shaft House. The tank is located on a curbed, concrete floor that would contain any epille. Mine water is pumF~ed up No. 2 Shaft to a large surge tank located east of No. 1 Shaft House. The mine water ie piped from the surge tank to NaOH feed in the shaft house, then to a aeries of frac tanks located outside the shaft house for mixing and metals precipitation. The frac tanks are proposed to be eliminated from the system, but will remain ae a back-up facility, once the new pond ie constructed and certified. Water treatment sludge is piped from the frac tanks to No. 1 Pond. No. 1.1 and No. 2 Ponds also contain water treatment sludge. At this time, none of the surface s+_orage facilities at the Henderson Mine are designated for permanent sludge disposal. Storm water detention basins and outfalls located at the north end of the mine yard were visited. A ditch leading into the storm water basin at the east end of the yard needed to be cleared of soil excavated during pond construction. The route of the mine yard upland diversion ditch was observed. The ditch empties into Weet Clear Creek be:Low No. 2 Pond. The location of the new ground water monitoring well, designated GW-2, wale inspected. The new well is collared south, and above Weat Clear Creek, just up-gradient from long-term surface water monitoring point designated HE-3. The well log and completion details are forthcoming from the operator. I & E Contact Address NAME Anne Ihlenfeldt OPERATOR Climax Molybdenum Company STREET P.O. Box 68 CITY/STATE/ZIP Empire, CO 80438 cc: Carl Mount, DMG ~ CE ~ BL ~ FS ^ HW ~ HMWMD (CH) ~ SE ~ WQCD (CH) ~ OTHER