# analyses using exposure or medical records — How long federal regulations require records to be kept: retention periods, what starts the clock, and who they bind

For analyses using exposure or medical records, regulation is 29 CFR 1910.1020; regulator / programme is OSHA; retention period is at least thirty (30) years; who it binds is each employer, recorded from its source on 2026-08-11.

- **Regulation:** 29 CFR 1910.1020 _(verified: appears in the quote below)_
- **Regulator / programme:** OSHA _(our reading, not quoted from the source)_
- **Record type:** analyses using exposure or medical records _(verified: appears in the quote below)_
- **Retention period:** at least thirty (30) years _(verified: appears in the quote below)_
- **Who it binds:** each employer

## What the source says

> ( iii ) Analyses using exposure or medical records. Each analysis using exposure or medial records shall be preserved and maintained for at least thirty (30) years.

## Source

- https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1910/subpart-Z/section-1910.1020

Last verified: 2026-08-11. Review by: 2027-08-11.
Part of [How long federal regulations require records to be kept: retention periods, what starts the clock, and who they bind](https://referencesource.org/record-retention-periods-federal/).