Hazardous Materials

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

Our first look at the “refrigeration code” from the 2024 International Mechanical Code (IMC)

1101.1 Scope. This chapter shall govern the design, installation, construction, and repair of refrigeration systems. Permanently installed refrigerant storage systems and other components shall be considered as part of the refrigeration system to which they are attached. 1101.1.1 Refrigerants other than ammonia. Refrigeration systems using a refrigerant other than ammonia shall comply with this chapter,

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