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CO[AttADO DE1'AIiTTIF.NT OF~LTti * III II IIIIIIIIII I III ~ Division or S=ction of RADIATION CONTROL ~'~ . - INTER-O1'F1CE COIJ~UPlICA1'ION OCT 251982 TO Schw~ze~el~~,k~les DATI? October 20, 1982 Ft:OM: Ak(ie.~/,~(./i ali~~7(151rector SUIiJIiC1': Fiel ~NS tLAND RECLAMATION ~o ~. t~'pt. of Natural Resources On October 12, 1982, Dick Gamewell and myself, and Sim McArdle and Jay Lucas from MLR, visited the Schwartzwalder nine facilities in preparation for the public meeting on the Departments' proposed radioactive materials license. As Gamewell and Hazle arrived 10 minutes before the scheduled meeting time at the ore transfer pad, they walked the pad area to observe current conditions. The area drained well but the concrete cucbin3 (3 sides) was not yet in place. Also the present concrete pad could not be seen due to the cover of ore. The ore stored currently was not separated as to fines or concentrates as the sign indicated but this is not a concern of the regulating agencies. Materials present di~i not indicate a dusting problem. Gamewell and Hazle also walked to the top of the hill to the east ~~E the pad to observe the lay of the land. Upon the arrival of tl~e MLR representative we proceeded to the facilities at the mine. After checking in at the mine office, we were joined by Larry Van Laningham, Mine Superintendent, and Ka ran North. The first operatlon visited was the ore sorter. Ear protectors (plugs) were provided to all. All aspects of the ore sorter were observed in operation, i.e., input ore, screening, crushing, wasting, sorting, out puts, sump and shoe area. The ore sorter water is recycled several months and then put through the waste water treatment plant. Fresh water and any make-up water comes from Pond 115. According [o North, all measurements made within the facility for radon, dust concentrations, alpha and gamma are all well below applicable standards. This operation is also under the jurisdiction of MSHA. After leaving the sorter we walked the road to the west. The fenc~=_ separating the parking lot from the facility is to be removed and [he height of the dike increased for flood protection purposes. The three earthen ponds were in operation but a growth of bullrushes were very much in evidence. The liquid in Pond 115 was clear. The concrete settling basins were in operation with a manifold operating at the inlet to Pond 111 to provide a uniform application of the incoming liquid to the basin and preclude channeling. The current waste water treatment plant was in operation for the removal of radium (Barium Sulfate precipitation with additives - resins). The new sand filter and Ion Exchange building is rapidly being completed along with the attendant clarifier and surge tank. Current estimates for the facility start up is in November but no later than December 1, according to North. Shake down will probably take several months. gnature P.D BUS-29 (10-29-100)