Final Rule for Process Safety Management

OSHA—I910.II9, Final Rule for Process Safety Management of Highly Hazardous Chemicals. Federal Register, February 24, 1992 Washington, DC Occupational Safety and Health Administration. 

To provide the views of others with impressive reputations who have been successful in making safety audits, two colleagues were asked to write to me on the subject. Mr. Thomas W. Lawrence, Jr., CSP, PE, formerly at Monsanto, is now a Principal at Risk, Reliability Safety Engineering in League City, Texas. That firm does many safety audits to assist clients in assuring compliance with OSHA s Final Rule for Process Safety Management of Highly Hazardous Chemicals. This is what Mr. Lawrence wrote ... 

On July 17,1990, OSHA issued a proposed rule for the management of hazards associated with processes using highly hazardous chemicals. The agency finalized this rule, called the Process Safety Management Standard, on February 24, 1992. In an appendix to the proposed rule, OSHA discussed several methods of process hazard analysis. That discussion, which may be helpful for those doing job hazard analyses, follows ... 

In the reasoning process we use the input values fuzzification block, then inference block that uses a set of fuzzy rules, and finally defuzzification block of output values. The set of rules is being created with experts opinions, in this case aircraft pilots and people responsible for Safety Management System (SMS) organization. As a inference rule for local models we will use the fuzzy rule modus ponens, as below (Kacprzyk 1986) ... 

Therefore it is required of all buyers that, while they essentially retain the right to propose and enforce the rules of the water treatment contract, they have to also accept some responsibility in its smooth passage. Buyers thus cannot place responsibilities on field representatives, for areas of the operator s plant or process, over which they have no final control. It is untenable. Buyers have to manage their own plants and ensure that proper maintenance and repair work is carried out. Buyers also have to provide adequate resources to ensure the health, safety, and welfare of all company workers and visitors on-site. Service company representatives, in turn, have to work within established plant rules. 

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