OSHA Hazardous Chemicals in the Workplace: Complete Employer Compliance Guide

Hazardous chemicals are found in nearly every industry, including manufacturing, construction, healthcare, warehousing, automotive repair, food processing, laboratories, and office maintenance. Employees may be exposed to chemicals that are flammable, corrosive, toxic, reactive, or harmful to their health if they are not handled properly.

OSHA's Hazard Communication Standard (HazCom) requires employers to identify chemical hazards, inform employees about those hazards, and implement procedures that help reduce workplace exposure.

A strong chemical safety program protects employees while improving OSHA compliance.

Stay OSHA & Labor Law Compliant

Chemical safety is only one part of workplace compliance. Most employers are also required to display current Federal and State Labor Law Posters where employees can easily review their workplace rights.

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What Is a Hazardous Chemical?

A hazardous chemical is any substance capable of causing physical or health hazards.

Physical hazards may include:

  • Flammable liquids
  • Explosives
  • Oxidizers
  • Compressed gases
  • Reactive chemicals

Health hazards may include:

  • Toxic substances
  • Carcinogens
  • Skin irritants
  • Respiratory sensitizers
  • Corrosive chemicals
  • Reproductive toxins

Employers should identify every hazardous chemical used or stored in the workplace.

Common Workplace Hazardous Chemicals

Many workplaces use chemicals such as:

  • Cleaning products
  • Industrial solvents
  • Paints
  • Adhesives
  • Degreasers
  • Acids
  • Bases
  • Compressed gases
  • Fuel products
  • Disinfectants
  • Lubricants
  • Pesticides

Even products used in small quantities may require Hazard Communication compliance.

Employer Responsibilities

Employers should:

  • Maintain a written Hazard Communication Program.
  • Keep an up-to-date hazardous chemical inventory.
  • Ensure all containers are properly labeled.
  • Maintain Safety Data Sheets (SDSs).
  • Train employees before chemical exposure.
  • Evaluate workplace chemical hazards.
  • Provide required personal protective equipment (PPE).

Routine inspections help ensure chemical safety procedures remain effective.

Chemical Labeling Requirements

Every hazardous chemical container should be properly labeled.

Labels generally include:

  • Product identifier
  • Signal word
  • Hazard pictograms
  • Hazard statements
  • Precautionary statements
  • Manufacturer information

Damaged or unreadable labels should be replaced immediately.

Safety Data Sheets (SDS)

Employers should maintain an SDS for every hazardous chemical in the workplace.

Employees should know how to locate SDSs and understand information such as:

  • Health hazards
  • First aid measures
  • Safe handling procedures
  • Storage requirements
  • Spill response
  • Required PPE

SDSs should be readily accessible during every work shift.

Safe Chemical Storage

Hazardous chemicals should be stored according to the manufacturer's recommendations and applicable safety requirements.

Employers should:

  • Separate incompatible chemicals.
  • Store flammable liquids properly.
  • Secure compressed gas cylinders.
  • Keep containers tightly closed.
  • Maintain adequate ventilation.
  • Inspect storage areas regularly.

Improper storage can increase the risk of fires, spills, and chemical reactions.

Exposure Prevention

Employers should reduce employee exposure by using:

  • Engineering controls
  • Local exhaust ventilation
  • Safe work practices
  • Appropriate PPE
  • Spill prevention procedures
  • Proper housekeeping

Whenever possible, hazards should be controlled at the source before relying solely on PPE.

Emergency Response

Employees should know how to respond to:

  • Chemical spills
  • Leaking containers
  • Fires involving hazardous chemicals
  • Accidental exposure
  • Eye or skin contact
  • Inhalation emergencies

Emergency procedures should be included in the employer's Hazard Communication Program.

Employee Training

Training should cover:

  • Chemical hazards
  • Label interpretation
  • Safety Data Sheets
  • Required PPE
  • Safe handling procedures
  • Spill response
  • Emergency reporting
  • Storage requirements

Employees should receive training whenever new chemical hazards are introduced.

Common OSHA Hazardous Chemical Violations

Frequently cited violations include:

  • Missing Hazard Communication Program
  • Missing or outdated Safety Data Sheets
  • Improper chemical labeling
  • Unlabeled secondary containers
  • Failure to train employees
  • Poor chemical storage
  • Missing PPE
  • Incomplete chemical inventories

Regular safety audits help employers identify and correct these issues before OSHA inspections.

Best Practices

Employers can strengthen chemical safety by:

  • Reviewing chemical inventories annually.
  • Inspecting storage areas regularly.
  • Replacing damaged labels immediately.
  • Maintaining updated SDS files.
  • Performing periodic Hazard Communication audits.
  • Conducting employee refresher training.
  • Posting chemical hazard warning signs.

A proactive chemical safety program helps prevent workplace injuries while improving OSHA compliance.

Keep Your Workplace Compliance Current

Chemical safety should be an essential part of every workplace safety program. Employers should also display current Federal and State Labor Law Posters and OSHA safety signage throughout their facilities.

Labor Law HR Signs offers professionally updated State & Federal Labor Law Posters, OSHA Safety Signs, Chemical Hazard Signs, HazCom Products, Warning Labels, and workplace compliance products for employers in all 50 states.

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Our compliance products help businesses create safer, more compliant workplaces.

Frequently Asked Questions

What is considered a hazardous chemical?

A hazardous chemical is a substance that presents a physical hazard, health hazard, or both, such as flammable liquids, corrosives, toxic chemicals, or compressed gases.

Does OSHA require employee training on hazardous chemicals?

Yes. Employers covered by OSHA's Hazard Communication Standard must train employees about hazardous chemicals before they are exposed to them and whenever new hazards are introduced.

Are employers required to maintain Safety Data Sheets?

Yes. Employers generally must keep an SDS for every hazardous chemical used in the workplace and make them readily accessible to employees.

What should employers do if a chemical container label is damaged?

The label should be replaced immediately so employees can clearly identify the chemical and understand its hazards.

What is the purpose of OSHA's Hazard Communication Standard?

The Hazard Communication Standard helps ensure employees understand the hazardous chemicals they work with by requiring proper labeling, Safety Data Sheets, employee training, and written hazard communication procedures.

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