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Standard guide · 29 CFR 1910.1200

The right-to-know standard that trips up every industry.

Hazard Communication gives workers the right to know the chemical hazards they work around. It's OSHA's #2 most-cited standard overall and #1 in general industry — because it demands a program, not just a poster.

#2 most-cited · FY20252,546 violations · FY2025

The five moving parts of HazCom

HazCom compliance is a system with five interlocking components: a written program describing how your workplace meets the standard; a chemical inventory of every hazardous chemical present; safety data sheets for each, immediately accessible to employees during their shifts; GHS-format labels — pictograms, signal words, hazard statements — on containers; and effective training that covers the hazards, the protective measures, and how to read the labels and SDSs.

Citations cluster where the system breaks down in practice: the written program that was never customized from a template, the SDS binder missing a third of the inventory, the secondary container of degreaser someone poured into an unmarked spray bottle, and training records that end two hires ago.

Who this applies to (nearly everyone)

The standard covers any employer with employees exposed to hazardous chemicals under normal conditions or foreseeable emergencies — which pulls in far more than chemical plants. Auto shops with brake cleaner, salons with peroxides, warehouses with battery-charging stations, construction crews with adhesives and fuels (via the identical §1926.59), and offices with industrial cleaning operations all carry HazCom obligations scaled to their exposures.

OSHA's 2024 amendments aligned the standard with GHS Revision 7, updating label requirements — including provisions for small containers — and refining hazard classifications, with phased compliance dates for chemical manufacturers and downstream users. If your written program predates the update, it's due for a review.

Reading 1910.1200 in RegLogic

HazCom is long — its appendices on hazard classification and SDS format dwarf the standard itself. RegLogic's color-coded formatting keeps mandatory text and appendix guidance visually organized, plain-language search answers questions like "do I need an SDS for consumer products?" (a rich vein of interpretation letters), and same-day updates matter for a standard OSHA has actively amended.

What is the OSHA HazCom standard?

The Hazard Communication Standard (29 CFR 1910.1200), commonly called HazCom or the Right-to-Know law, requires employers to inform workers about chemical hazards. It mandates a written program, Safety Data Sheets for every hazardous chemical, GHS-compliant labels, and employee training.

HazCom is OSHA most-cited general industry standard — 2,546 violations in FY2025. Most citations target the written program, SDS accessibility, and training documentation. It applies to every employer with hazardous chemicals, which is effectively every employer.

GHS alignment and the 2012 update

In 2012, OSHA aligned HazCom with the Globally Harmonized System (GHS). This changed SDS format from 8-section MSDS to 16-section SDS, introduced pictograms and signal words, and standardized hazard statements. RegLogic presents the current standard with all post-GHS amendments reflected same-day.

Read 29 CFR 1910.1200 — color-coded, searchable, with LOIs attached — in RegLogic.

Start Here

At a glance

  • Written hazard communication program required (§1910.1200(e))
  • Chemical inventory list maintained as part of the program
  • Safety Data Sheets (SDS) accessible for every hazardous chemical (§1910.1200(g))
  • GHS-compliant labels on shipped and workplace containers (§1910.1200(f))
  • Employee training before initial assignment and when new hazards appear (§1910.1200(h))
  • Aligned with GHS Rev. 7 under OSHA's 2024 final rule updates

FAQ

Common questions

Do consumer products need SDSs?

Not when used the way a consumer would use them — same duration and frequency. A bottle of dish soap in the breakroom is exempt; the same product used all shift in an industrial process is covered. OSHA's LOIs draw this line in detail.

What goes in a written HazCom program?

How your workplace handles labels, SDSs, employee training, the chemical inventory, hazards of non-routine tasks, and how contractors' employees are informed — customized to your site, not a generic template with your logo.

Are workplace containers required to have GHS labels?

Workplace (secondary) containers need either the full shipped-container label information or product identifier plus words, pictures, or symbols conveying the hazards. Portable containers for immediate use by the person who filled them are the narrow exception.

How often is HazCom training required?

Before initial assignment and whenever a new chemical hazard is introduced — the trigger is new hazards, not the calendar. Many employers train annually anyway to keep records defensible.

What is the OSHA hazcom standard?

The Hazard Communication Standard (1910.1200) requires employers to inform workers about chemical hazards through a written program, Safety Data Sheets, labels, and training.

What is required in a written HazCom program?

A chemical list, SDS maintenance procedures, labeling methods, and employee training plan — plus methods for non-routine tasks and multi-employer worksites.

How often must HazCom training be updated?

Initial training before first exposure, plus additional training whenever a new chemical hazard is introduced. Best practice is annual refresher.

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