Chemical Process Safety (PSM/RMP)

So I asked Google Gemni + to calculate the pressure wave in a room that is 40′ X 40′ X 20′ tall with a 5,000-gallon pressure vessel 85% full of liquid NH3, and it catastrophically fails. How much of a pressure wave will this event create in psig? I promise you this… No Engine Room…...

The risk management program in 40 CFR Part 68 requires facilities to conduct an off-site consequence analysis (OCA) to provide information to state, local, and federal governments and the public about the potential consequences of an accidental chemical release. When does a facility need to revise its OCA?… Membership Required You must be a member...

For the purpose of analyzing the worst-case release scenario required as part of the hazard assessment at 40 CFR Part 68, Subpart B, the worst-case release quantity is identified as the greatest amount held in a single vessel or pipe, taking into account administrative controls that limit the maximum quantity (40 CFR §68.25(b)). Are mechanical…...

Pursuant to the risk management program regulations, facilities must perform an offsite consequence analysis for the worst-case release scenario. Do the quantities of two (2) separate vessels that are interconnected with a closed valve need to be aggregated for the worst-case release scenario analysis? … Membership Required You must be a member to access this content.View...

In section 2, element 2.5, of an RMP, facilities must report the quantity of toxic chemical that the facility used for the worst-case analysis. When reporting this data element in RMP*eSubmit for a mixture, should facilities report the entire weight of the toxic mixture potentially being released or only the amount of the regulated toxic…...

Pursuant to the Risk Management Program regulations, the owner or operator shall identify and analyze at least one (1) alternative release scenario for each regulated toxic substance held in a Program 2 or Program 3 process above its threshold (40 CFR §68.28). If a facility has both ammonia and ammonia (anhydrous) on site above their…...

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A new report from the EPA Office of Inspector General (May 6) highlighted that the U.S. Chemical Safety Board (CSB) is currently operating at only 40% board capacity (two out of five members), which restricts its ability to formally approve investigation reports and safety recommendations. The Clean Air Act Amendments of 1990 established that the…...