# 1910.21-30 — OSHA training requirements by standard: topic, frequency, and CFR citation

For 1910.21-30, topic is Walking-Working Surfaces training; who must be trained is all workforces (slips, trips, and falls), and workers exposed to falls of four feet or higher in general industry work environments who must wear body harnesses for fall protection; training frequency is Not addressed by OSHA, best practice is prior to exposure; retraining triggers is Not addressed by OSHA; industry scope is General industry, recorded from its source on 2026-08-05.

- **Standard:** 1910.21-30 _(verified: appears in the quote below)_
- **Topic:** Walking-Working Surfaces training _(verified: appears in the quote below)_
- **Who must be trained:** all workforces (slips, trips, and falls), and workers exposed to falls of four feet or higher in general industry work environments who must wear body harnesses for fall protection _(verified: appears in the quote below)_
- **Training frequency:** Not addressed by OSHA, best practice is prior to exposure _(verified: appears in the quote below)_
- **Retraining triggers:** Not addressed by OSHA _(verified: appears in the quote below)_
- **Industry scope:** General industry _(our reading, not quoted from the source)_

## What the source says

> Walking-Working Surfaces training OSHA required: yes OSHA regulations: 1910.21-30 Slips, trips, and falls: This training is universally relevant for all workforces. According to the <https://www.bls.gov/news.release/pdf/cfoi.pdf> Bureau of Labor Statistics , more than 800 workers die from a fatal slip, trip, or fall, each year. Personal fall arrest systems: This training applies to workers who must wear body harnesses for fall protection or positioning devices while working from aerial lifts, and workers exposed to falls of four feet or higher in general industry work environments. These workers need training to properly wear, adjust, and tighten a body harness, and must know how to calculate fall distance to ensure correct lengths of security lifelines. These workers must also know how to inspect lanyards and lifelines for wear and understand how to store such devices to maintain structural integrity. Training frequency: Not addressed by OSHA, best practice is prior to exposure.

## Source

- https://hsi.com/blog/oshas-required-training-frequencies

Last verified: 2026-08-05. Review by: 2028-08-04.
Part of [OSHA training requirements by standard: topic, frequency, and CFR citation](https://referencesource.org/osha-training-requirements-by-standard/).