Safety Info Posts

OSHA proposing to update the HAZCOM standard to align with UN’s GHS 7th revision

We knew this was coming; I have been writing about it for several years and what we should expect with this revision.  SAFTENG members can read what this HAZCOM revision could do to the PSM standard and Flammable Liquids standard. If OSHA adopts Part 2 of the UN’s GHS, what will Flammable Gases look like? ……...

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WRONG CHEMICAL – WRONG CONTAINER Fatality @ Water Treatment Plant (Sodium Hypochlorite (bleach) into Hydrofluorosilicic Acid)

    The photograph shows the fill line hookups at TCWTP. All connections and fittings were identical, and the hoses used by ADC could be hooked up to any of the fill lines pictured. There was also no color coding of the lines or prominent labeling other than plain black text on a white background…....

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Damaged electrical wire inside cabinet causes electrocution OUTSIDE of cabinet

We should NEVER accept damaged electrical wires – EVEN when they are inside an electrical cabinet!  Case in point… A 30-year-old male employee was troubleshooting an issue with an injection molding machine and apparently was electrocuted when he contacted the frame of the loading conveyor. The company is a manufacturer of injection-molded, polyvinyl chloride (PVC)…...

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PRCS Fatality @ WWTP involving contractors (hydrogen sulfide or possibly an O2 deficiency)

A 38-year-old male employee was overexposed to hydrogen sulfide (or possibly an oxygen-deficient atmosphere) while inside a manhole. A second employee tried to rescue the victim but was also overcome. The second employee was rescued by an employee of the Waste Water Treatment facility. The two-man crew had been hired by the Waste Water Treatment…...

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Evaluation of Hazardous Material hazards

If you have attended any of my Process Safety, HAZMAT/ER, or PRCS courses over the years, you will certainly recognize this hazard evaluation methodology.  I learned this method even before I learned the Process Hazards Analysis (PHA) methods.  The method I will discuss in this post is one that we should all use when a…...

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Does the IFC 2021 require fire extinguishers on forklifts?

To be blunt, the 2021 IFC does NOT require fire extinguishers on PITs (e.g., forklifts). The revision to the 2021 IFC merely gives storage (S) occupancies a NEW option for providing fire extinguishers. The new option is that when the S occupancy can meet certain requirements (as shown and explained below) they can put fire…...

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Machines with multiple powers sources and I’m exposed to only 1

Scenario:  A piece of equipment has twelve (12) energy sources, which must be isolated to get the piece of equipment down to a zero energy state (ZES).  I have a task that will expose me to ONLY 1 of these 12 energy sources – can I just lockout the one (1) source or must I…...

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Why does it matter which ASME B31 section I apply to my piping circuits?

In many PSM/RMP covered facilities we have two different ASME B31 sections applying to different piping and in our work we see a lot of facilities asking… Why does it matter which ASME B31 section I apply to my piping circuits? For example, the plant has an industrial boiler and in that application, they correctly…...

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Sulphuric acid process opening gone bad

An incident involving PLASTIC sulphuric acid piping at a gas plant. Two workers were operating valves on a 1″ polyvinyl chloride (PVC) drain line so they could transfer sulphuric acid from a storage tank. They were following a written procedure, had held a tailgate meeting to discuss the hazards and emergency procedures, and had all…...

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NEW 2021 standard for NH3 refrigeration systems in Alberta Canada

In response to the tragic 2017 incident in which several people were killed by exposure to ammonia at an ice arena in Fernie, British Columbia, ABSA is now extending the scope of the plant registry to include ammonia refrigeration plants and they just published new guidance and establishes requirements for the ammonia-bearing refrigeration systems operating…...

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Design Pressure vs. MAWP of a ASME Pressure Vessel

This is a MUST read for those of us in the process safety arena… OPEN to everyone as this is from ABSA – the pressure equipment safety authority… Membership Required You must be a member to access this content.View Membership LevelsAlready a member? Log in here...

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