Hazardous Substances Act, 1973 (Act No. 15 of 1973)

Regulations

Regulations Governing the Conveyance of Hazardous Substances by Road Tanker

Annexures

Annexure 1 : Hazardous Substances

Part III : Interpretation

Purchase

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Interpretation of column 3 in parts I and II of this Annexure

1)	The number reflected in an emergency action code indicates the equipment suitable for fire-fighting or any system indicated by a larger (higher) number where appropriate for dispersing spillages, as shown below:

"1" water jets

"2" water fog

"3" foam

"4" dry agent

Notes:

1)	In the absence of fog equipment, a fine spray of water may be used.

2)	Dry agent - contact between these substances and water is hazardous.

2)	The first letter of an emergency action code indicates the appropriate precautions in the event of a fire or a spillage, as indicated by the table below:

Letter	Danger of violent reaction or explosion	Protective clothing and breathing apparatus	Appropriate measures
P	Yes	Full protective clothing	Dilute
R	No	Full protective clothing	Dilute
S	Yes	Breathing apparatus	Dilute
S	Yes	Breathing apparatus for fire only	Dilute
T	No	Breathing apparatus	Dilute
T	No	Breathing apparatus for fire only	Dilute
W	Yes	Full protective clothing	Contain
X	No	Full protective clothing	Contain
Y	Yes	Breathing apparatus	Contain
Y	Yes	Breathing apparatus for fire only	Contain
Z	No	Breathing apparatus	Contain
Z	No	Breathing apparatus for fire only	Contain

Notes:

1)	"Full protective clothing" includes breathing apparatus.

2)	Where "breathing apparatus" is indicated, protective gloves are appropriate.

3)	"Dilute" indicates that the substance may be washed to drain with a large quantity of water.

4)	"Contain" indicates a need to avoid spillages from entering drains or water courses.

3)	Where the letter "E" occurs at the end of the emergency action code, evacuation of people from the neighbourhood of an incident should be considered.