HHE Report No. MHETA-89-362-2027, Helen Mining Company, Homer City, Pennsylvania.
NIOSH 1990 Mar; :1-11
In response to a request from the United Mine Workers of America, an investigation was made of possible hazardous working conditions at the Helen Mining Company (SIC-1221), Homer City, Pennsylvania. One of the tipple operators had complained of headaches, dizziness and skin rashes from working with a mixture of solvents used in the float/sink test operation. The solvents included perchloroethylene (127184) and dibromomethane (106934). A week prior to receiving the request, the use of dibromomethane had been discontinued. Consequently, on the visit to the site, no traces of dibromomethane were found. After engineering controls were installed, only one of seven personal breathing zone samples detected any perchloroethylene, and that sample was 0.12 parts per million, at the limit of detection. The author concludes that a hazard from perchloroethylene did not exist at the time of the evaluation. The author recommends replacing the rubber/cloth type glove being used with either a Teflon or Viton glove, and enclosing the work table.
NIOSH-Author; NIOSH-Health-Hazard-Evaluation; NIOSH-Technical-Assistance-Report; MHETA-89-362-2027; Hazard-Unconfirmed; Region-3; Mining-industry; Chlorinated-hydrocarbons; Brominated-hydrocarbons; Coal-workers; Coal-processing
Hazard Evaluation and Technical Assistance; Field Studies
NTIS Accession No.
Hazard Evaluations and Technical Assistance Branch, NIOSH, U.S. Department of Health and Human Services, Cincinnati, Ohio, Report No. MHETA-89-362-2027, 11 pages, 4 references