Hazardous Materials

I have asked for a formal response regarding this change, which was NOT noted in the 2021 edition as a change; however, it is a change in text and application. In the 2018 edition, Chapter 50 stated: Piping, tubing, valves, and fittings conveying hazardous materials shall be designed and installed in accordance with ASME B31…...

In the world of hazardous materials, evacuating them from their primary (and secondary) containment system plays a KEY role in performing maintenance/servicing on the system SAFELY.  For example, opening a process/system that contains hazardous materials FIRST has to be evacuated of that hazardous material, and this evacuation to a “safe place” should be done through…...

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…...

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…...

I have been writing about it since 2022, when OSHA said they wanted to revise its HAZCOM standard (1910.1200) to align with Revision 7 of the GHS standard.  Remember, the current HAZCOM standard is based on Rev. 3 of the GHS.  Now the 2024 International Fire Code (IFC) will recognize the new Categories of Flammable…...

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  …...

Today, we get a glimpse of the key changes to the 2024 International Fire Code (IFC):… Membership Required You must be a member to access this content.View Membership LevelsAlready a member? Log in here...

A useful baseline for any business that is in the charging and storage of batteries.   Storage Batteries Ohio Administrative Code (4123:1) Effective: September 1, 2023 (A) Battery charging areas will be designated for that purpose. (B) Employees will be instructed that: (1) When charging batteries, acid will be poured into water; water will not…...

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…...

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…...

This is one of the best summaries of what we can expect to see in the 2024 IFC regarding Lithium Ion Batteries.  CLICK HERE (Source: Fire Inspectors Association of Indiana )… Membership Required You must be a member to access this content.View Membership LevelsAlready a member? Log in here...