Friday, 17 August 2012


The hazard communication rule applies to any chemical which is known to be present in the workplace in such a manner that employees may be exposed under normal conditions of use or in a forseeable emergency
Chemical manufacturers and importers must evaluate chemicals produced in their workplaces or imported by them to determine if they are hazardous
Employers must assess the hazards of chemicals and develop a written hazard communication plan along with training and information
Material safety data sheet
Chemical manufacturers and importers must obtain and develop a material safety data sheet for each hazardous chemical they produce or import and must develop appropriate labels that provide hazard warning information
Employee training
How to
Reference the chemical test or hazards
Use material data safety sheets
Use protective practices including PPE
Recognize a release of chemicals
Detect over exposure to chemicals
Write secondary container labels
Hazard communication plan
Employers must develop , implement and maintain a written hazard communication plan that contains a list of hazardous  chemicals being used in the workplace , assign responsibilities and describes procedures for :
Labeling containers
Maintaining and using material safety data sheets
Information and training
Pipe labeling
Non routine tsk procedures
Contractor procedures

Hazardous substance
Is any chemical which poses a physical or a health hazard
Physical hazArds
Are hcemical reaction that could result in a fire , explosion and/ or tosic gas release which cause physical trauma if chemicals are handled or stored improperly
Health hazrds
Are health effects caused directly by the chemicals themselves , not an injury resulting from a reaction
Dusts , fumes . Fibres . Mists . Vapors , gases , solids , liquids
Chemical effects
On various organs of the human body depend on several important factors : solid , liquid or gas ?
Ingested  , inhaled , absorbed or injected ?
How much chemical makes it’s ways into the body?
How poisonous is the chemical?

Routes of entry
Routes of entry of chemicals may take must be known when assessing the workplace for chemical hazards.
Alternative labeling methods
HMIS ( hazardous material information system)
NFPA (national fire protection association )
Material safety data sheet
Used to communicate chemical hazard information from the manufacturer to the employee to train and inform on safe use of hazardous chemicals
Employers must obtain a MSDS from the chemical manufacturer or import as soon as possible
Employers must maintain in the workplace copies of required material safety data sheets
Employee must know
The hazard communication program
The measures to protect themselves
Detect the release or presence of hazardous  chemical
Physical and health hazards
When new hazardous chemical is  used in organization
Hazardous waste operations and emergency  response covers response  to uncontrollable releases
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