Document KJq9dLqaGEEgyBqom1kBo5MDK

Air-Borne Manganese Concentrations UHIOH CARBIDE CORPORATION Battery Products Division Charlotte, North Carolina ___________ July 1-2, 1974__________ Location Le Clanche cell mix renton operator M Stokes Press roan on operator Magnesium cell mix room on operator Manganese - mg/M^* 0.60 0.40 0.20 1.65 Remarks Steele Cathy one press operating Wallace Threshold limit value for manganese ore Is 7,0 mg/M^ and Is a celling limit. FOr electrolytic grades, the limit Is 3*0 mg/M^ of air. UCC 067758