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Overview of the Globally Harmonized System (GHS)

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Justin Perkins

on 1 July 2014

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Transcript of Overview of the Globally Harmonized System (GHS)

Overview of the Globally Harmonized System of Classification and Labeling of Chemicals (GHS)
What is GHS?
Addresses massive differences in how chemical hazards were indentified and communicated between countries

Hazard classification
Cautionary language
Hazard sinage (pictograms)
International unified framework for Hazardous Chemicals
Earth Summit
GHS goals developed
International Acceptance
Agreed standards of classification and labeling
US OSHA Deadlines
International Completion
Total compliance expected
JANUARY 1, 2017
Impacted US Regulatory Agencies
Adopted GHS in 2012 (Final Rule)
Little changes necessary
-Aquatic toxicity (Intl. Maritime Org.)

Used as model for transportation labels
Not yet implemented GHS

Currently developing new regulations

Prime concern for pesticide classification and labeling
Consumer Product Safety Commission
Jurisdiction for over 15,000 consumer products

Concerned with labeling chronic health hazards

Currently determining implementation rules-making
Hazard Classification
Safety Data Sheets
Regulatory requirements not domestically harmonized (OSHA, EPA, DOT)

Producers must classify and label single hazardous chemical mulitple times

Estimated 945,000 different products

$450 Billion per year ($80 Billion in exports)
Additional hazard categories
Some low risk classifications removed
International layouts of
Safety Data Sheets
To identify the relevant data regarding the hazards of a chemical;

review those data to ascertain the hazards associated with the chemical;

and decide whether the chemical will be classified as hazardous according to the definition of hazardous chemical in this section.

In addition, classification for health and physical hazards includes the determination of the degree of hazard, where appropriate, by comparing the data with the criteria for health and physical hazards.
Hazard Determination/Evaluation
Hazard Classification
Material Safety Data Sheets (MSDS)
Safety Data Sheets (SDS)
Definition Changes
Hazardous Chemical
Chemical Name
Trade Secret
Chemical elements and their compounds in the natural state or obtained by any production process

Includes any additive necessary to preserve the stability of the product
Includes any impurities deriving from the process used
Excludes any solvent which may be separated without affecting the stability of the substance or changing its composition
Hazard Class
Nature of the physical or health hazards
Flammable solids
Oral acute toxicity
Hazard Category
Division of criteria within each hazard class
Outlined in 1910.1200 appx. A & B
Flammable solids (1, 2)
Oral acute toxicity (1, 2, 3, 4)
Label Elements
Specified for each hazard class and category
Hazard statement
Signal word
Precautionary statement
Precautionary Statement
Brief description of measures to reduce or avoid adverse effects from exposure, or improper handling/storage
Signal Word
Describes severity of hazard, alerting reader

Hazard Statement
Describes the nature and degree of the hazard(s) of a chemical
Universal symbol plus other graphic elements used to convey information about a specific hazard
Eight (8) in total
Safety Data Sheets (SDS)
Hazard Classification
Health Hazard Classes
• Acute Toxicity
• Skin Corrosion/Irritation
• Serious Eye Damage/Eye Irritation
• Respiratory or Skin Sensitization
• Germ Cell Mutagenicity
• Carcinogenicity
• Reproductive Toxicology
• Target Organ Systemic Toxicity - Single Exposure
• Target Organ Systemic Toxicity - Repeated Exposure
• Aspiration Toxicity
Physical Hazard Classes
• Explosives
• Flammable Gases
• Flammable Aerosols
• Oxidizing Gases
• Gases Under Pressure
• Flammable Liquids
• Flammable Solids
• Self-Reactive Substances
• Pyrophoric Liquids
• Pyrophoric Solids
• Self-Heating Substances
• Substances which, in contact with water emit flammable gases
• Oxidizing Liquids
• Oxidizing Solids
• Organic Peroxides
• Corrosive to Metals
OSHA Additional Hazard Classes
Pyrophoric Gas
Ignites spontaneously when exposed to air
Simple Asphyxiant
Displaces ambient oxygen leading to rapid suffocation
Combustible Dust
Currently no official definition
Uses NFPA standards
HMIS/NFPA Diamond Impact
Toxic or Not?
Which set of rules do you follow?
While GHS framework unifies classification and label elements, there will still be minor variations between countries
Full transcript