Bryan Haywood

2021 IMC and Refrigeration Processes (other than NH3)

In the 2021 International Mechanical Code (IMC), the International Association of Ammonia Refrigeration (IIAR) was successful in simplifying the code requirements for refrigeration systems using Anhydrous Ammonia (NH3).  The code now reads: 1101.1.2 Ammonia refrigerant Refrigeration systems using ammonia as the refrigerant shall comply with IIAR 2, IIAR 3, IIAR 4, and IIAR 5 and

2021 IMC 401.4 and 501.3.1 cocentric venting systems

A new type of factory-built combination exhaust and intake air fitting is introduced that does not require separation between the two openings.  Although this has been approved for the 2021 IBC, it is ONLY for dwelling or sleeping unit mechanical ventilation systems.   It is NOT ALLOWED for   HAZARDOUS MATERIALS   Exhaust Ventilation systems

WISER had a great run!

I can not understand why the U.S. National Library of Medicine (NLM) is ending WISER. This single ER tool was undoubtedly the best available ER tool! I have been sharing it for at least the past 10 years in all my HAZMAT courses. It is indeed a SAD day; as of February 28th, 2023, NLM

CSB calls on OSHA to develop guidance documents for performing PHAs on SOPs

In the CSB’s final report on a refinery incident, the agency calls on OSHA to: Develop guidance documents for performing process hazard analysis on operating procedures to address transient operation hazards in facilities with Process Safety Management (PSM) covered processes. A PHA is a critical element of the process safety management system; unfortunately, we see

OSHA issues LOTO, PRCS, and RP citations @ malthouse ($174K)

A Wisconsin company that supplies malt barley to major craft breweries, home breweries, and other spirit and food production in the Midwest has again been found exposing employees to dangerous workplace hazards by federal safety inspectors.  OSHA has proposed penalties of $174,351 after inspectors identified two repeated and 14 serious safety and health violations after

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