Environmental Health & Safety Resources Around the Web

United States

Occupational Safety & Health Administration (OSHA)

OSHA is the main federal agency charged with the enforcement of safety and health legislation.

OSHA Hazard Communication
Landing page for all of OSHA’s information and available resources for 1910.1200 Hazard Communication Standard.  Here you can find links to the regulation, standard interpretations and various types of guidance.

HCS/HazCom Final Rule Regulatory Text
29 CFR §1910.1200 regulatory text – lays out the requirements for manufacturers, importers distributors, suppliers and employers for hazardous chemicals.

Appendix A TO §1910.1200 – Health Hazard Criteria (Mandatory)
Criteria for determining the health hazards of substances and mixtures

Appendix B TO §1910.1200 – Physical Hazard Criteria (Mandatory)
Criteria for determining the physical hazards of substances and mixtures

Appendix C TO §1910.1200 – Allocation of Label Elements (Mandatory)
Criteria for determining the label elements of a hazardous material based on the classification

Appendix D TO §1910.1200 – Safety Data Sheets (Mandatory)
Criteria for the mandatory sections and content of a Safety Data Sheet under OSHA HCS 2012

APPENDIX E TO §1910.1200 – Definition of “Trade Secret” (Mandatory)

Appendix F TO §1910.1200 – Guidance for Hazard Classifications RE: Carcinogenicity (Non-Mandatory)
Provides additional guidance on hazard classification for the carcinogen hazard class including a comparison of GHS carciongen hazard classes and categories to International Agency for Research on Cancer (IARC) “Monographs on the Evaluation of Carcinogenic Risks to Humans”and National Toxicology Program (NTP) “Report on Carcinogens” (RoC).  This comparison allows the information from IARC and NTP to be used to complete a classification under GHS and also the HCS.  This appendix is non-mandatory.

OSHA’s Directive – Inspection Procedures for the Hazard Communication Standard (HCS 2012)
The reference Compliance Safety and Health Officers will use to ensure uniform enforcement of the Hazard Communication Standard. Provides a wealth of information on many common scenarios in practical application of the Hazard Communication Standard.

OSHA Fact Sheet – Steps to an Effective Hazard Communication Program for Employers That Use Hazardous Chemicals
Informational fact sheet that highlights the various facets of an effective and compliant hazard communication program.

OSHA Hazard Communication – Hazard Classification Guidance for Manufacturers, Importers and Employers
Guidance on the practical application of Hazard Classification (or determining a materials hazards) under OSHA HCS 2012.  A lengthy document and a must read for anyone completing hazard classifications for materials.

Lots of common questions clarifying the changes brough to the HCS with the adoption of GHS.  Here are a few topics that the questions include – using Hazardous Material Information System (HMIS) and National Fire Protection Association (NFPA) rating systems on workplace labels, safety data sheets and labels on shipped containers; labeling for pipes and small packages; hazard communication of Unknown Acute Toxicity;

OSHA – Access to employee exposure and medical records 29 CFR §1910.1020
Ever wonder how long to keep MSDSs or SDSs?  This rule provides some insight into how long an MSDS or SDS would be required to be retained if a business has determined these are part of employee exposure records.

Environmental Protection Agency (EPA)

The United States Environmental Protection Agency is an agency of the Federal government of the United States which was created for the purpose of protecting human health and the environment by writing and enforcing regulations based on laws passed by Congress.

TSCA (Toxic Substances Control Act)

TSCA amended by the Frank R. Lautenberg Chemical Safety for the 21st Century Act

Emergency Planning and Community Right-to-Know Act (EPCRA)

Resource Conservation and Recovery Act (RCRA)

Safe Drinking Water Act (SDWA)

Clean Air Act (CAA)

Clean Water Act (CWA)

Department of Homeland Security

Department of Homeland Security Chemical Facility Anti-Terrorism Standards (CFATS)


WHMIS.org – Canada’s National WHMIS Portal
This site is a springboard to all things WHMIS.  It links to the various regulatory jurisdictions and CCOHS. An exceptions resource in Canada’s rollout of GHS.

Hazardous Products Act (HPA)

Hazardous Products Regulations (HPR)
This regulation incorporates the Globally Harmonized System of Classification and Labelling of Chemicals (GHS) into WHMIS for workplace chemicals.

United Nations

Globally Harmonized System of Classification and Labelling of Chemicals (GHS) Sixth revised edition

GHS Implementation


European Chemical Agency (ECHA)
ECHA is the agency that implements the EU’s chemicals legislation.  Two of these regulations are – REACH (Registration, Evaluation, Authorisation and Restriction of Chemicals) and CLP (Classification Labeling and Packaging Regulation).  There is a large volume of information and guidance on this site for these regulations.  This is an essential reference for anyone who sells chemicals in the EU market.

REACH (Registration, Evaluation, Authorisation and Restriction of Chemicals)

CLP (Classification Labeling and Packaging Regulation)

Candidate List of Substances of Very High Concern for Authorisation (SVHC)


NIOSH Pocket Guide to Chemical Hazards

International Chemical Safety Cards
International Chemical Safety Cards (ICSC) provide a summary of safety and health information on a substance. They are avilable in multiple languages including English, French, Hungarian, Italian, Japanese and Polish for all ICSC. A more limited set of ICSC is available in Chinese, Estonian and Hindi.

This document provides the criteria to assign the numerical ratings under the NFPA 704 standard.

Hazardous Materials Identification System (HMIS®)  by the American Coatings Association (ACA) provides a hazad rating scheme for workplace labeling.  

Exposure limit guidelines (TLV®/BEI®) from the American Conference of Governmental Industrial Hygienists (ACGIH®)

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