Biological/physical/psychological hazards Flashcards
HG 1
Unlikely to cause human disease
HG 2
Can cause human disease
Likely to be hazard to employees
Unlikely to spread to community
Treatable
HG 3
Can cause human disease
Hazard to employees
Likely to spread to community
Treatable
HG 4
Can cause severe human disease
Hazard to employees
Spread to community
No treatment or prophylaxis available
Risk Controls
- Exposure controls - containment and PPE
2. Occupational health input - like immunization
Zoonoses
Group of infections typically found in animals as the primary host but which spread from animals to humans
Some can spread from human to human.
Reportable to DEFRA
DEFRA (Department for Environment, Food, Rural Affairs)
Brucellosis, anthrax, bovine TB and bovine spongiform encephalopathy (BSE).
Risk Controls for Repetitive Work
Frequent rest breaks Task rotation Avoid forced pacing Job enrichment and variety Automation Mechanisation Worker participation in job design
Lone Workers
Under HSWA - employers have a duty to protect workers health and this includes lone workers
Under Management of Health and Safety at Work Regulations - employers must undertake risk assessment including lone workers
Night Work
At least 3 hours of work taking place between 2300 and 0600
Long Working hours
Working over 48 hours per week
R42
Respiratory sensitiser
R43
Skin sensitiser.
G402
Document that gives guidance on health surveillance for respiratory sensitisers
Exposure Limits for Chemicals
- Cumulative dose - 8 hour time weighted average
2. Concentration - 15 minute time weighted average
IARC Classification
International Agency for Research on Cancer (IARC)
IARC Group 1
Carcinogenic to humans
IARC Group 2A
Probably carcinogenic to humans
IARC Group 2B
Possibly carcinogenic to humans
IARC Group 3
Not classifiable as to its carcinogenicity to humans
IARC Group 4
Probably not carcinogenic to humans
CLP
European Regulation on classification, labelling and packaging of substances and mixtures.
Adopts the United Nations’ Globally Harmonised System on the classification and labelling of chemicals (GHS)
HS 24 Guide
Advice on control of dermatitis
Inorganic Lead
Measured in blood
Has action value and suspension value
Organic Lead
Measured in urine.
Only has a suspension value.
Occupation Exposure Limit for Lead
Organic - 0.1
Inorganic - 0.15
3 Criteria for Lead Health Surveillance
- 50% above OEL
- If blood/urine level above a certain value
- If doctor feels it needs to be done.
Q Fever
From sheep, cattle, goat.
Humans typically get Q fever when they breathe in dust that was contaminated by infected animals
Hepatitis A
Feco-oral route.
Arc-eye
Or welder’s flash, is an inflammation of the cornea, caused by ultraviolet radiation from the arc during welding. The sufferer is usually unaware that they have been significantly exposed until several hours later.
Self limiting.