
Data & Research
Who Dies in Confined Spaces: 1,030 Deaths, and Why So Many Are Rescuers
The Bureau of Labor Statistics counted 1,030 confined-space worker deaths from 2011 to 2018, and NIOSH's landmark finding is that more than 60% of confined-space fatalities are would-be rescuers. This study lays out the data — the causes, the gases, the rescuer multiplier — and the OSHA Subpart AA rules written to stop each one.
Jul 21, 2026
12 min read

Safety
Confined Space Entry: OSHA Permit-Required Guide for Construction
Complete guide to confined space entry in construction under 29 CFR 1926 Subpart AA. Covers permit-required vs non-permit spaces, atmospheric testing order, the entry permit, rescue duties, multi-employer coordination, and the citation traps that get contractors fined.
Mar 9, 2026
17 min read