Reference

June 22, 2026 Steven Eaton

Nitrile Glove Sizing Guide
Nitrile glove sizing is not the same as sizing other gloves: it is a stretch-fit material whose fit shifts with mil thickness. This guide shows how to measure your hand, gives a nitrile size chart from XS to XXL, explains why nitrile fit differs, and covers common fit problems, sizing by use case, and a worked example.
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June 10, 2026 Steven Eaton

NIOSH 42 CFR Part 84 Respirator Certification
NIOSH 42 CFR Part 84 governs respirator certification in the U.S., replacing the Bureau of Mines standard in 1995. It defines the N/R/P oil-resistance classification and 95/99/100 filtration tiers. This guide covers the approval process, TC number anatomy, and step-by-step Certified Equipment List verification with a worked example.
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May 26, 2026 Steven Eaton

When Does OSHA Require A Respirator
OSHA requires a respirator under 29 CFR 1910.134 when engineering controls can't keep airborne exposure below the PEL, when a substance-specific standard mandates it, or in IDLH and emergency atmospheres. This guide covers the PEL trigger, required vs voluntary use, the written program, fit testing, APF selection, and a worked example.
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May 14, 2026 Steven Eaton

Can You Reuse An N95
Can You Reuse an N95: N95 filtering facepiece respirators (FFRs) are designated as single-use devices under NIOSH's 42 CFR Part 84 approval system. NIOSH does not approve any N95 for routine reuse.
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Nitrile Glove Sizing Guide