Manufacturing

Montreal — A recent study of apprentice welders revealed a “significant increase” in metal levels in urine, nail and hair samples taken over the duration of their three-module training program.

Washington — A recently released Chemical Safety Board video highlights how flammable gas detection systems can help prevent serious incidents by warning operators about unintentional releases.

Washington — Workers at chemical facilities should never approach an ammonia cloud without proper personal protective equipment, the Chemical Safety Board warns in a new final report.

Cincinnati — A recent series of reports from NIOSH details the agency’s “immediately dangerous to life or health” values for three chemical substances commonly found on worksites.

Washington — The Environmental Protection Agency wants feedback as it considers revising a final rule requiring “robust worker safety programs” that protect against carbon tetrachloride, a carcinogenic chemical substance.

Houston — A new research initiative from the University of Houston and Underwriters Laboratories is set to examine potential toxic emissions from small-scale lithium-ion battery manufacturing.

Cincinnati — Stigma attached to jobs that “society deems unfavorable” may leave workers feeling down about themselves, but channeling self-confidence can help curb negative emotions, University of Cincinnati researchers say.

Washington — Confined and concentrated combustible dust can ignite and generate secondary dust explosions “powerful enough to destroy buildings,” the Chemical Safety Board warns.

Washington — The Environmental Protection Agency is accepting comment on a proposal that would change how the agency evaluates a chemical’s risk to workers.

Washington — A group of House Democrats is requesting more information about the Trump administration’s decision to cut staff at NIOSH and other moves that they claim “disregard the well-being of the people who sustain the nation’s energy infrastructure.”