Hazardous Materials

Anhydrous ammonia and propane cylinders SAFETY ALERT (NPGA)

SAFETY ALERT From National Propane Gas Association (NPGA) INTRODUCTION: Readers of this bulletin should consult the law of their individual jurisdictions for codes, standards and legal requirements applicable to them. This bulletin merely suggests methods which the reader may find useful in implementing applicable codes, standards and legal requirements. This material is not intended nor […]

Get to know your STKY chemicals (H2S)

While wrapping up a 2023 project, I was saddened to see the image below while in the OSHA incident database.  Several things come to mind regarding these H2S incidents: 1) no other chemical in the database has this deadly percentage over the past three (3) years 2) Hydrogen Sulfide has GREAT warning properties (odor threshold

What does it mean when our facaility is a “High-hazard Group H occupancy”

High-hazard Group H occupancies are characterized by an unusually high degree of explosion, fire, or health hazard compared to typical commercial and industrial uses.  There is one common feature about Group H occupancies—they are designated as Group H based on excessive quantities of hazardous materials within the facility/building. Where the quantities of hazardous material stored

A2L Flammable Refrigerants are coming (IFC Code)

HIGHER FLAMMABILITY   A3 R-50, R-170, R-290 R-600a, R-441a, R-1270 B3 R-1140 LOWER FLAMMABILITY   A2 R-142b, R-152a B2 R-30, R-40, R-611, R-717     A2L HFO-1234yf, HFO-1234ze NO FLAME PROPAGATION   A1 R-11 – R-14, R-22, R-113, R-114, R-115, R-134A, R-410A, R-449B, R-1234zd B1 R-10, R-21, R-123, R-764   LOWER TOXICITY HIGHER TOXICITY  

Managing Risks from trichloroethylene (TCE)

In October 2023, EPA proposed to ban the manufacture (including import), processing, and distribution in commerce of TCE for all uses, with longer compliance timeframes and workplace controls (including an exposure limit) for some processing and industrial and commercial uses until the prohibitions come into effect. The rule would protect consumers, workers, occupational non-users and

DOT answers questions on the maintenance of DOT specification cylinders and tanks stored for use on site (i.e., stationary containers)

Q3. You ask whether the recertification (i.e., the requalification) requirements in 49 CFR Part 180 are applicable to stationary cylinder systems installed in a building and refilled by a third party. A3. The answer is yes if the cylinders are represented as meeting the requirements of the HMR. Section 180.3(a) states no person may represent

Argon asphyxiates two autoclave operators

At 5:00 p.m. on January 30, 2023, two employees, 24 and 48, were performing operations pertaining to an autoclave. The atmosphere was oxygen deficient due to the presence of argon gas. The employees were asphyxiated and killed. Source: https://www.osha.gov/ords/imis/accidentsearch.accident_detail?id=153529.015

Another H2S fatality in a “well shack”

At approximately 12:00 p.m. on February 24, 2023, an employee, 35, was performing “well site pumping operations” for an oil and gas producer. A coworker had been trying to contact the employee unsuccessfully, so he went to the oil and gas well site where the employee was working to check on him. The coworker found

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