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r (PAGE 3) MINE ID ~ OR PROSPECTING ID #: M-88-112 INSPECTION DATE 4-2-92 INSPECTOR'S INITIALS HHP, BK The following problems (PB) and/or possible violations (PV) (and suggested corrective actions) were identified during this inspection. The problems should be corrected by the dates given, or they will become passible violations. The possible violations should be correc[ed by the dines given to reduce their uverity when considered by the Mined land Reclamation Board. The inspector noted on the previous page should be no[ified o(all corrective actions taken. 1. Corrective Action Date: Mav 5. 1992 Topic: AT(ACid/Toxic Materials) PV(POSSible Violation) As reported by the company, the levels of cyanide in the tailings Fonds are high. The operator should take actions to return the cyanide levels in the ponds to some value at or below the permitted levels of 3.8 Free Cyanide and 4.4 Total Cyanide. The operator should take measures to mitigate the problem prior to re-starting the plant. 2. Corrective Action Date: Mav 5, 1992 Topic: SF (Processing Facilities) PB (Possible Violation) The AVR system apparently failed to function properly, either as a result of cold weather, high copper in the ore, or other unrelated function. The operator should examine the AVR system and determine why t:he system failed. Measures to mitigate the problem should be taken before returning the plant to operation. 3. Corrective Action Date: Mav 5, 1992 Topic: FW(Fish & Wildlife) PB(Problem) The dead gull, the report of dead ducks, and the deer caught in the fence may be attributable to cyanide poisoning. The operator should contact the Division of Wildlife regarding the deer to determine the cause of death. With regard to the gull, the operator should report to the Division the Results of the DOW tissue study. With regard to the reports of dead~9ucks, the Operator should try to track down the source of the rumor, and determine whether ducks were killed or not. Provided any ducks are found in the future, the operator should report immediately such deaths to the Division of Wildlife and then to the 14LRD. Surveillance of the site should continue until cyanide levels in the ponds are brought down to an acceptable level. 4. Corrective Action Date: Mav 5, 1992 Topic: SC(Erosion/Sedimentation) PB(Problem) Erosion along the flanks of the upper tailings impoundment exposed the underdrain and the synthetic liner. The erosion control system around the upper tailings impoundment is not substantial enough to contain future erosion. Operator should re-dress the slopes around the tailings impoundment to cover the underdrain and liner. Operator should install a sediment control term above the pond to contain overland flow.