What employees are responsible for under the hazard communication standard

Last updated 2026-07-09

What does the Hazard Communication Standard actually require of employees?

Short version: employees have to show up for training, use the information they get, and protect themselves and their coworkers by following the label and SDS system the standard builds.

OSHA's hazard communication standard, 29 CFR 1910.1200, goes by "HazCom" or the "Right-to-Know" rule. It rests on a simple idea. Workers have a right to know the hazards of the chemicals they work with, and that right comes with duties. The standard says employers must train workers and keep SDSs and labels current, but it also expects workers to use that information. Section 1910.1200(f)(9) is blunt: "Employers shall ensure that labels on incoming containers of hazardous chemicals are not removed or defaced." That duty lands on every person who handles those containers, which means every employee who touches a chemical at work.^[1]

The standard doesn't read like a handbook list of employee duties. It's written around employer obligations. But the practical responsibilities hit workers every day. Pick up an unlabeled spray bottle and keep using it, and you've broken the intent of the standard, even though the citation goes to your employer.

What are the specific employee responsibilities under HazCom?

Here's where it gets concrete. Employee responsibilities under 29 CFR 1910.1200 fall into four areas.

1. Complete HazCom training before working with hazardous chemicals. Section 1910.1200(h) requires that employees receive training "at the time of their initial assignment" and "whenever a new chemical hazard the employees have not previously been trained about is introduced into their work area." ^[1] You can't skip it or wave it off because you've "seen chemicals before." The training covers how to read an SDS, what the label elements mean (pictograms, signal words, hazard and precautionary statements), and what to do in an emergency.

2. Read and use Safety Data Sheets. Every employee working with or near a hazardous chemical has to know where the SDSs are and how to read them. OSHA's 16-section SDS format (adopted from the Globally Harmonized System, or GHS, in the 2012 update) gives workers first aid measures, exposure limits, PPE requirements, and spill response. An employee who ignores the SDS and gets hurt is still covered under workers' comp, but the injury was preventable. Section 3 (composition), Section 8 (exposure controls and PPE), and Section 11 (toxicological information) are the three most workers reach for first. ^[1]

3. Never remove or deface container labels. This one shows up as a citation item. Peel a label off a drum to reuse the container, or scribble over a label with a marker, and you've broken the standard. OSHA inspectors hunt for unlabeled containers. Find one, and the employer gets cited, but the behavior that created the violation was the employee's. ^[1]

4. Report hazard communication problems. The HazCom standard doesn't legally require employees to file written reports about missing SDSs or damaged labels, but the general duty clause (Section 5(a)(1) of the OSH Act) sets a reasonable expectation that workers help keep the place safe. Most compliant written HazCom programs include a way for employees to report missing or damaged labels or SDSs to a supervisor. An employee who spots a missing SDS, says nothing, and then gets hurt contributed to the outcome, even with no regulatory liability. ^[2]

What is the employer responsible for, and where does that end?

The employer carries the heavier load. Under 29 CFR 1910.1200, the employer must write a hazard communication program, keep a current SDS for every hazardous chemical on site, make sure every container is properly labeled, and provide training. The employer also has to make SDSs "readily accessible" to employees during each work shift. ^[1]

But "readily accessible" only works if employees actually go access them. An employer can have a perfect binder of SDSs at every workstation, and if a worker never opens one before mixing two cleaning products, the system has failed in practice.

The line between employer and employee responsibility gets clearest when something goes wrong. If an employee is never trained, OSHA cites the employer. If an employee is trained, given proper labels and SDSs, and then chooses to peel a label or skip reading the SDS for a new chemical, the employer still gets cited (the standard puts compliance on employers), but the practical failure was the employee's. Employers can discipline employees for HazCom violations under their own work rules, and they do.

One honest point. OSHA rarely cites individual employees directly. The structure of the OSH Act puts almost all citation and penalty exposure on the employer. That doesn't mean employees have no skin in the game. Their safety is the point.

What does employee HazCom training have to cover?

Section 1910.1200(h)(3) spells out exactly what training must cover, and the actual text is worth reading. OSHA says training must include: "Methods and observations that may be used to detect the presence or release of a hazardous chemical," "the physical hazards and health hazards of the chemicals in the work area," "the measures employees can take to protect themselves," and "the details of the hazard communication program." ^[1]

That last item matters. Every employee has to know where the written HazCom program lives, where the SDS list is kept, and how the labeling system works at their specific site. Generic online videos don't cut it if they skip the site-specific pieces.

OSHA doesn't set a required number of training hours for HazCom. There's no "4-hour HazCom class" the way there is for, say, OSHA 30 construction. The standard is competency-based. The worker has to actually understand the material. Training records should document what was covered, who delivered it, and when. A signature confirms the employee received the training. It doesn't prove they understood it, which is why a short knowledge check at the end earns its five minutes.

Retraining is required when a new hazardous chemical enters the work area. New-hire training before the first exposure to chemicals is non-negotiable. Refresher training isn't spelled out in the standard, but OSHA letters of interpretation have said repeatedly that if an employee can't demonstrate competency during an inspection, the employer hasn't met the training requirement. In practice, that makes periodic refreshers a real necessity. ^[3]

How do GHS labels work and what are employees expected to do with them?

Since the 2012 HazCom update matched the Globally Harmonized System, every label on a hazardous chemical container must carry six elements: a product identifier, signal word ("Danger" or "Warning"), hazard statements, precautionary statements, pictograms, and supplier contact information. ^[6]

Employees are expected to read these before using a chemical they haven't handled, or when starting a new task. The pictograms alone carry a lot. A flame means flammable or reactive. A skull and crossbones means acute toxicity. The health hazard pictogram (the person with a starburst on the chest) means the chemical can cause serious long-term effects like cancer or reproductive harm. A worker who can read the eight GHS pictograms is in far better shape than one who can't.

For workplace containers, employers can use alternative labeling systems (pull-off tags, batch labels, process sheets) as long as the information is immediately available to workers in the area. Employees on those systems are responsible for knowing how to access the information. A worker who says "I didn't know what the colored tag meant" after an exposure is probably telling the truth, and that failure points straight back to weak training.

One thing employees get wrong a lot: portable containers. Transfer a chemical from a labeled drum into a small squeeze bottle to carry around for the shift, and that bottle needs a label too, unless the person who filled it uses it entirely during that shift and no one else touches it. A huge share of workplace chemical exposures involve exactly these unlabeled secondary containers.

What are employees responsible for when handling Safety Data Sheets?

Employees don't maintain SDSs. That's the employer's job. But employees are responsible for knowing where they are, how to read them, and acting on what they find.

An SDS has 16 sections. For most workers, the useful ones are Section 2 (hazard identification), Section 4 (first aid measures), Section 7 (handling and storage), Section 8 (exposure controls and personal protective equipment), and Section 13 (disposal). Responding to a spill? Section 6 (accidental release measures) is your section. Get something in your eyes, and Section 4 tells you exactly what to do before you reach the eyewash station.

OSHA guidance says SDSs must be "readily accessible" in the work area during each shift, not stashed somewhere in the building. ^[1] Electronic access systems are fine, as long as workers can reach them without barriers, including workers who don't read English well. The standard requires SDSs in English. Employers with non-English-speaking workers are expected to provide translated versions or extra training to make sure people understand. ^[3]

If an employee requests an SDS and the employer can't produce it, the employer is in violation. But employees have to actually make the request. That's a real responsibility, not a formality.

For a chemical-specific example, the HCl safety data sheet for hydrochloric acid shows what a properly formatted 16-section SDS looks like. Hydrochloric acid is one of the more common industrial chemicals where SDS misuse leads to serious injuries.

What happens to employees who violate HazCom requirements?

OSHA's penalty structure targets employers, not individual workers. A company can face fines up to $16,550 per serious violation and up to $165,514 for willful or repeated violations as of 2024, with those amounts adjusted annually for inflation. ^[4] Individual workers don't receive OSHA citations in most cases.

But employers can discipline employees for HazCom violations under their own policies, and they often do. Removing a label, refusing required training, or ignoring PPE requirements for chemical handling can all lead to documented discipline, up to termination, depending on the written rules. Courts have upheld terminations for safety rule violations even when the employee argued the rule was arbitrary.

On workers' comp, an employee who was properly trained and willfully ignored that training may hit trouble in some states if the violation rises to "willful misconduct." That's a high bar, and most states don't deny comp on this basis. The more common consequence is plain: the injury happens, it was preventable, and nobody wins.

The real enforcement mechanism for employees is internal, not regulatory. OSHA's inspection priority list runs from imminent danger to fatalities to worker complaints. HazCom violations by individual employees that don't cause injury rarely trigger federal action. They do trigger internal audits and retraining in companies that take safety seriously.

Do employee responsibilities change in multi-employer workplaces?

Yes, and this trips up a lot of small businesses. Construction sites, plants with contract workers, and warehouses staffed through agencies all put multiple employers' workers around the same chemical hazards.

Under the multi-employer citation policy, OSHA can cite both the host employer and the contractor employer when a worker is exposed to a HazCom violation. ^[5] The host employer has to make its HazCom program available to contractors on site. Contractors are responsible for training their own employees on the chemicals those employees bring to the site and for handing SDSs to the host employer on request.

For an individual employee, this means something specific. If you're a contractor at someone else's facility, you need training on the chemical hazards at that facility, not only on the chemicals your employer brought. You're entitled to ask for the host employer's HazCom program and SDS list. And you're responsible for telling your employer about chemical hazards you run into that you haven't been trained on.

Staffing agency workers sit in a specific gray area. OSHA has addressed this in letters of interpretation: both the staffing agency and the host employer share HazCom training duties. ^[3] The agency usually handles general HazCom training, and the host employer covers site-specific hazards. The employee has to complete both.

What should a small business written HazCom program include about employee responsibilities?

A written Hazard Communication Program is required if your workplace has any hazardous chemicals. Period. Section 1910.1200(e) requires it in writing. ^[1] The program has to describe how you'll meet labeling requirements, how you'll keep SDSs, and how you'll train.

A lot of small businesses write a program that covers employer obligations in detail and then says nothing about what workers are expected to do. That's a missed chance. A good program makes employee responsibilities explicit: complete training before handling chemicals, report missing or damaged labels within 24 hours, never transfer chemicals into unlabeled containers, use assigned PPE as specified in the relevant SDS, and request an SDS when one is missing for a chemical in your work area.

Writing a complete HazCom program from scratch takes most small business owners three to four hours if they know what they're doing. If they don't, it takes longer and the result is often full of holes. Tools like the SafetyFolio program generator can build a site-specific written HazCom program in about 15 minutes by walking you through questions about your chemicals, your work areas, and your workforce, then producing a document that maps to the 29 CFR 1910.1200 requirements.

The written program should also include a procedure for employees to request information about chemicals. OSHA's standard gives workers the right to know, and the written program is where you document how that right gets used at your site. Some programs include a simple form. Others just say "ask your supervisor." Either one works as long as it actually functions.

For a wider look at building compliant safety documentation, the OSHA training hub covers how written programs and training records fit together across standards.

How does HazCom connect to other OSHA standards employees should know?

HazCom doesn't stand alone. Several other OSHA standards create employee duties that overlap with it.

The lockout tagout standard (29 CFR 1910.147) crosses HazCom when workers service or maintain equipment that uses or holds hazardous chemicals. An employee draining a chemical line before maintenance has HazCom duties (know the chemical, have the SDS, use correct PPE) and LOTO duties (isolate the energy source). Both apply at once.

Respiratory protection (29 CFR 1910.134) comes into play when an SDS flags inhalation as a hazard and engineering controls aren't enough. An employee who reads the SDS and sees a permissible exposure limit (PEL) that could be exceeded in their area is responsible for raising it and wearing assigned respiratory protection.

PPE requirements (29 CFR 1910.132) tie straight to the SDS. Section 8 of every SDS names the PPE required for handling that chemical. An employee who's been trained, has the SDS, and chooses to skip the required gloves or eye protection is breaking both HazCom and the PPE standard.

If a chemical exposure injures someone, the incident report process starts. Employees are responsible for reporting injuries and near-misses to their employer. Failing to report delays medical treatment and makes it harder to fix the hazard, which means the next person might get hurt too.

What are the most common HazCom violations employees contribute to?

OSHA consistently ranks HazCom in the top ten most-cited standards. In fiscal year 2023, Hazard Communication was the second most-cited standard for general industry, with 3,213 violations. ^[4] Many of those violations trace back to employee behavior, even though the citations go to employers.

The most common employee-driven HazCom failures:

Unlabeled secondary containers. Workers pour chemicals into spray bottles, buckets, or cups and don't label them. The next worker grabs the container without knowing what's inside.

Defaced or removed labels. Labels get scratched off during use, or someone strips one to repurpose a container. The original hazard information disappears.

Not reading SDSs for new chemicals. A new product shows up, training hasn't caught up, and workers use it on assumptions from a similar product.

Skipping PPE named in the SDS. Gloves feel clumsy. Respirators fog the goggles. Employees improvise and take on risk they don't fully understand.

Mixing chemicals without checking compatibility. Common with cleaning products. Bleach and ammonia-based cleaners produce chloramine vapors. Bleach and acid-based cleaners produce chlorine gas. Both are on the SDSs. Both injuries happen every year.

None of these need bad intentions. They come from thin training, time pressure, or the slow drift of bad habits. The written program matters. The culture that gets people to actually follow it matters more.

Frequently asked questions

Are employees legally required to follow the Hazard Communication Standard?

Employees don't receive direct OSHA citations the way employers do, but they're expected to follow the HazCom requirements their employers put in place. Under the OSH Act's general duty provisions, workers must comply with safety and health standards and rules their employer establishes. An employee who refuses HazCom training or removes labels can be disciplined, up to termination. The regulatory liability sits with the employer, but the safety obligation is mutual.

What is an employee's responsibility if they find a container with no label?

Don't use the container, and report it to a supervisor immediately. Under 29 CFR 1910.1200(f)(9), employees must not remove or deface labels, and most compliant HazCom programs also include a procedure for reporting missing or damaged labels. Using an unknown chemical without knowing its hazards is exactly the risk HazCom is built to prevent. An unlabeled container is a potential OSHA violation, so the right move is to stop and report it, not improvise.

How often do employees need to be retrained on hazard communication?

The standard requires training at initial assignment and whenever a new hazardous chemical enters the work area. There's no fixed annual retraining requirement in the text of 29 CFR 1910.1200. But OSHA's letters of interpretation make clear that if an employee can't demonstrate competency during an inspection, the employer hasn't met the training requirement. In practice, most safety professionals recommend annual refresher training, and many written HazCom programs require it.

Can an employee refuse to work with a chemical if they haven't received HazCom training?

Yes. Under Section 11(c) of the OSH Act, employees have the right to refuse work they reasonably believe poses imminent danger. Being told to handle a hazardous chemical with no training and no access to an SDS can meet a reasonable definition of that. OSHA also bars retaliation against workers who use this right. The better move is to tell a supervisor and get the required training before proceeding, rather than walking off the job.

Who is responsible for maintaining Safety Data Sheets, the employer or employee?

Maintaining SDSs is the employer's responsibility under 29 CFR 1910.1200(g). The employer has to obtain an SDS from the manufacturer for every hazardous chemical on site and keep them accessible to workers in each work area during every shift. Employees are responsible for knowing where the SDSs are, how to read them, and acting on what they find. Can't locate an SDS you need? Ask a supervisor. If the employer can't provide it, that's an OSHA violation on the employer.

What does an employee do if the SDS for a chemical is missing?

Report it to a supervisor right away and don't use the chemical until the SDS is available or you get adequate information about its hazards. Employers must have SDSs on file for every hazardous chemical in the workplace under 29 CFR 1910.1200(g)(1). If the employer can't obtain one, they can contact the manufacturer directly. OSHA allows employers a brief period to obtain a missing SDS, but using the chemical without hazard information in the meantime is exactly what the standard prevents.

What are employees responsible for when transferring chemicals to smaller containers?

Employees who transfer chemicals from original containers into smaller ones must label the new container with at least the product name and hazard information, unless they use the entire contents themselves during that same shift and no other worker touches it. This exemption is narrow. Unlabeled secondary containers are one of the most common HazCom violations found during OSHA inspections. The safest practice is to label every secondary container, every time, with at least the product name and signal word.

Do part-time or temporary employees have the same HazCom responsibilities as full-time workers?

Yes. HazCom protections and responsibilities apply to any worker exposed to hazardous chemicals, whatever their employment status. Temporary and staffing agency workers are specifically addressed in OSHA guidance. Both the staffing agency and the host employer share training obligations: the agency usually handles general HazCom training, and the host employer covers site-specific hazards and chemicals. The temporary employee has to complete both and follow the same labeling and SDS requirements as a permanent worker.

What do employees need to know about GHS pictograms?

Employees must be trained on the eight GHS pictograms as part of HazCom training. They communicate: flammable (flame), oxidizer (flame over circle), explosive (exploding bomb), compressed gas (gas cylinder), corrosive (acid eating a surface and a hand), acute toxicity (skull and crossbones), health hazard (person with starburst, meaning long-term effects like cancer), and environmental hazard (dead tree and fish). Knowing these lets workers spot hazards before reading the label text, which matters when response time is short.

Is an employee responsible for knowing the chemicals coworkers use nearby?

Yes, in practical terms. HazCom training is supposed to cover the hazards of all chemicals in the work area, not only the ones a specific employee handles directly. If a coworker uses a solvent ten feet away and the vapors reach you, that's a hazard you're exposed to. The employer has to make sure you're trained on those chemicals, and you're responsible for understanding that your exposure risks aren't limited to what you personally pick up and use.

What records prove an employee completed HazCom training?

OSHA doesn't mandate a specific training record format, but best practice is a training log or sign-in sheet with the employee name, date of training, topics covered, name of the trainer, and the employee's signature. Some employers add a short written quiz to document comprehension, more than attendance. Keep these records for the duration of employment and at least three years after, which matches OSHA's general recordkeeping expectations, though the HazCom standard itself doesn't specify a retention period.

Does HazCom apply to consumer products used at work?

Consumer products are exempt from HazCom requirements when they're used in the workplace "in the same manner, for the same duration, and frequency as the average consumer," according to 29 CFR 1910.1200(b)(6)(ix). If workers use a consumer cleaning product more often or in larger quantities than a typical consumer would at home, the exemption doesn't apply, and the employer must treat it like any other hazardous chemical, with an SDS and proper labeling. Many workplaces underestimate how often they cross this line.

What should employees do in a chemical spill or exposure emergency?

First step is to consult Section 4 (first aid) and Section 6 (accidental release) of the SDS for that chemical, which is why knowing where the SDS is matters before an emergency, not during one. Employees should follow the emergency procedures in their employer's written HazCom program, which should list evacuation routes, spill kit locations, eyewash station locations, and when to call emergency services. After any chemical exposure, report it to a supervisor promptly so an incident report gets filed and a medical evaluation gets arranged.

Sources

1. OSHA, 29 CFR 1910.1200 Hazard Communication (full standard text): Core HazCom requirements including labeling (1910.1200(f)), SDS maintenance (1910.1200(g)), and employee training (1910.1200(h)); prohibition on removing or defacing labels (1910.1200(f)(9)); written program requirement (1910.1200(e))
2. OSHA, OSH Act of 1970, Section 5 General Duty Clause and Section 11(c) Employee Rights: Section 5(a)(1) general duty clause and worker participation in workplace safety; Section 11(c) employee right to refuse imminent danger work
3. OSHA, Letters of Interpretation on Hazard Communication (HazCom/GHS): OSHA interpretation that employees unable to demonstrate competency mean employer has not met training requirement; staffing agency and host employer shared training obligations; retention period guidance
4. OSHA, Top 10 Most Cited Standards, Fiscal Year 2023: Hazard Communication was the second most-cited standard in general industry in FY2023 with 3,213 violations; penalty amounts up to $16,550 per serious violation and $165,514 for willful/repeated violations
5. OSHA, Multi-Employer Citation Policy (CPL 02-00-124): OSHA can cite both host and contractor employers when workers are exposed to HazCom violations at multi-employer worksites
6. OSHA, Globally Harmonized System of Classification and Labeling of Chemicals (GHS) overview: 2012 HazCom update aligned with GHS, requiring six label elements and 16-section SDS format; the eight GHS pictograms and their meanings
7. OSHA, Hazard Communication Standard: Small Entity Compliance Guide for Employers That Use Hazardous Chemicals: Practical guidance on written HazCom program elements, SDS accessibility requirements, and label requirements for workplace containers and secondary containers
8. U.S. Department of Labor, OSHA Penalties (current amounts adjusted for inflation): Civil penalty ranges for OSHA violations including HazCom; individual employees generally not subject to direct OSHA citation