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NFPA 499 (2021) updated with a peculiar reference

NFPA 499, Recommended Practice for the Classification of Combustible Dusts and of Hazardous (Classified) Locations for Electrical Installations in Chemical Process Areas was updated for 2021 and this update involves a very peculiar reference that has me scratching my head.  This reference is also another example of why Safety and Process Safety professionals have come […]

Opening the “bleed” on a Double-Block & Bleed arrangement is a “process opening” and is NOT to be taken lightly

We have discussed this numerous times over the years, but we rarely have a first-hand account of a “bleed” within a DB&B causing an LOPC event.  But because CALARP now has a Program 4 Incident Reporting trigger, we get to see firsthand how a 3/4″ bleeder on a 14″ pipe handling a HHC/EHS can cause

Cal ARP Program 4 and reporting on Process Safety Performance Indicators

Way back in 2017, the state of California (CA) revised it’s Accidental Release Prevention program by adding a Program Level 4 for the state’s refineries.  In addition to the expanded prevention program requirements, the refineries are required to submit investigation reports, including root cause analysis after any major incident. But the one aspect of the Program

OSHA is moving along with their Emergency Response Rule revisions

OSHA currently regulates aspects of emergency response and preparedness; some of these standards were promulgated decades ago, and none were designed as comprehensive emergency response standards.  Consequently, they do not address the full range of hazards or concerns currently facing emergency responders, and other workers providing skilled support, nor do they reflect major changes in

The CGA updated their G-2 Ammonia standard

Many of you that handle anhydrous ammonia are familiar with The Compressed Gas Association’s (CGA) 2.1, Requirements for the Storage and Handling of Anhydrous Ammonia, which is the baseline RAGAGEP for ammonia fertilizer distributor facilities.  But the organization has another ammonia standard, G-2, Ammonia that is an EXCELLENT compliment to CGA 2.1.  The G-2 standard

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