Work Environment Group
1/2011
Chemical Risk Management Chart
CONSEQUENCE – RISK CATEGORY CHART
KEY WORD
DEGREE
FLAMMABILITY 0
1
Minimum
Will not burn
2
Low
3
Moderate
Requires high
heating to ignite
Requires moderate
heating to ignite
4
High
Extreme
Will ignite under almost all
conditions
Rapidly vaporises and disperses in air.
Will burn easily
REACTIVITY 0
1
Minimum
Stable
2
Low
Normally stable. Becomes
unstable at elevated
temperatures
3
Moderate
Normally unstable, reacts violently but will
not detonate
4
High
Extreme
Requires shock, heat or water for
explosion
Denotes readily, reacts explosively
BODY CONTACT 0, 1
Minimum
No skin or eye
irritation
2
Low
3
Moderate
Contact may cause
minor skin or eye
irritation
Prolonged contact
may cause skin or eye
injury
4
High
Extreme
Short contact may cause skin or
eye injury
Short contact may cause permanent skin or eye injury
TOXICITY 0
1
Minimum
No health effects
(except in very large
quantities)
2
Low
Exposure may cause minor
reversible health effects
3
Moderate
Exposure may cause minor temporary or
permanent injury
High
Single or repeated exposure may cause
major injury
4
Extreme
Single or repeated exposure may cause death
CHRONIC EFFECTS 0
1,2
Minimum
No known long term
health effects
Low
Causes cancer in
animal studies, no
known links to
cancer in humans
3
Moderate
Possible cause of
human cancer,
sensitising,
cumulative, genetic
damage
4
High
Probable cause of human cancer, serious damage by
long term exposure
Extreme
Known cause of cancer in humans
ANU Chemical Risk Control Category
A
Produced by: Roy Schmid
B1
B2
C1
The Australian National University
C2
D
10/2002