HETA 2000-0309-2857 Lehigh Portland Cement …
Evaluation of Dust Exposures at Lehigh Portland Cement Company On May 30, 2000, the National Institute for Occupational Sa fety and Health (NIOSH) r eceived a request from the Paper, Allied Industrial, Chemical, and Energy Workers Union Local 2-0031 regarding possible exposures to ... Raw Mill Building). What To Do For More Information: We ...