Following process industry disasters such as the 1984 Bhopal disaster and 1988 Piper Alpha explosion , in 1992 the United States Department of Labor Occupational Safety and Health Administration ( OSHA ) published in the Federal Register at 57 FR 6356 ( 1992-02-24 ) its Process Safety Management ( PSM ) standard in 19 CFR 1910.119 . OSHA PSM recognizes FTA as an acceptable method for process hazard analysis ( PHA )
Bhopal disaster
Bhopal disaster
Fault tree analysis