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I am proud to announce that SAFTENG and The Chlorine Institute have renewed our partnership for another year (through 2026). Members of The Chlorine Institute receive a FREE SAFTENG membership. If you qualify, please contact me
NOTE: Any trade group interested in becoming a partner with SAFTENG for your Member Companies, please reach out, and I can share the plan
SAFTENG has:
- Over 19,000 categorized unsafe acts/conditions and accident/injury photos
- Over 1,500 ppt's & doc's in the SAFTENG Library
- Over 5,000 Technical Articles on Process Safety, Emergency Response & OSH topics
- Over 450 videos (those not allowed on YouTube Channel)
Many THANKS to my NEW Members and those who CONTINUE to support SAFTENG:
What is a management system (40 CFR §68.15(a))? How comprehensive must it be? Is there a standard format?
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On April 7, 2026, about 7:15 a.m. local time, a DOT 407 AL (aluminum) cargo tank, owned and operated by Brenntag, carrying about 1,100 gallons of Sodium Hydroxide Solution (UN1824), exploded at a facility in Mooresville, North Carolina. The driver of the semi-tractor-trailer to which the cargo tank was attached was killed in the explosion. An employee of the facility suffered minor injuries due to...
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Did you know?
The Compressed Gas Association’s Handbook of Compressed Gases is now available online — completely FREE and publicly accessible.
Access it here: https://handbook.cganet.com
For decades, the Handbook has served as a trusted reference for professionals across the industrial, medical, food, beverage, specialty gas, and hydrogen sectors.
Now, CGA has transformed this essential...
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Shenyang Petrochemical Company “The Big Poisoning Accident“
The gas sub-device of Shenyang Paraffin Chemical Company suffered a poisoning accident during the maintenance and construction process, resulting in three (3) Deaths. The immediate causes of the accident were: When the operator carried out the blind plate swapping operation at the pump relief blind plate, the operator died due to inhalation...
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This is an interesting “press release” from the Chinese Government regarding the country’s accident history in May.
History: Hazardous chemical accidents in May
Petrochemicals
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I get it, it’s a 19-second video, and it will probably stir more questions than responses, but this topic is one that needs MUCH discussion. I have made this page FREE for anyone who wishes to chime in. A couple of items to consider:
NH3 gas is invisible – what we are seeing is the cold gas condensing the “humidity”, making the cloud
It takes around 5,000 ppm to condense...
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Chemical Process Safety (PSM/RMP)
Free
Hazardous Materials
Lockout Tagout
OSHA Compliance
Process Safety Material
Establishing a Double Block and Bleed (DB&B) positive isolation is a critical safety protocol when preparing piping and equipment for opening, especially when dealing with Extremely Hazardous Substances (EHS). This process ensures that hazardous materials (HAZMAT) are effectively evacuated and isolated to protect workers from accidental releases.
Members can download my .ppt file at bottom of...
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As with my NH3 article, I wanted to verify and document the same scenario for scrubbing 1 pound of Cl2 with 50% Sodium Hydroxide (NaOH). Here is what Gemini+ had to say…
When Chlorine (Cl2) gas is safely scrubbed with Sodium Hydroxide (NaOH), the reaction produces sodium hypochlorite (bleach), sodium chloride (salt), and water.
Bottom line: 0.23 Gallons of 50% NaOH is needed for each pound...
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Throughout my career, I have been taught that to safely “scrub” 1 pound of NH3, 1 gallon of water is required. I have firsthand experience in this ratio working. So I decided to ask Google Gemini+ to explain this ratio.
Looking back at IIAR-2, when we sized a Diffusion Tank for PSV discharge(s), it was always 1 gallon of water per pound of ammonia (e.g., IIAR -2, 5.5.3 Discharge Through...
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As I have written many times, our bulk chemical transfer hoses MUST be part of an Inspection and Testing Program. These tests follow the same logic as pressure testing piping, and Hydrostatic Testing is far safer than pneumatic testing. So I asked Google Gemini+ to show me the difference in failure energies to demonstrate this point. NOTE: This scenario also applies to our Fire Hose annual testing!
Hint:...
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To determine the internal static overpressure generated by the catastrophic failure of a liquid Nitrogen (LN2) dewar, we look at the physics of a Boiling Liquid Expanding Vapor Explosion (BLEVE) and the resulting rapid phase transition.
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So I asked Google Gemni + to calculate the pressure wave in a room that is 40′ X 40′ X 20′ tall with the catastrophic failure of a 1-ton chlorine cylinder. In a 32,000 ft3 room, we must determine the volume of gas released during the “instantaneous flash” and the resulting internal static overpressure.
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