FIRST SCHEDULE
Regulation 2(1) and Second and
Fifth Schedules
Dangerous substances
Part 1
NAME OF DANGEROUS SUBSTANCES
First column
Second column
Third column
Name of dangerous substances
CAS number1
Threshold quantity (tonnes)
1 “CAS number” means the Chemical Abstract System (CAS) Registry Number assigned to a substance by the American Chemical Society.
1.2,4-Toluene diisocyanate & 2,6-Toluene diisocyanate
584-84-9
91-08-7
100
2.Acetylene
74-86-2
50
3.Ammonium nitrate
6484-52-2
5,000
4.Anhydrous Ammonia
7664-41-7
50
5.Arsenic pentoxide, arsenic (V) acid and/or salts
1303-28-2
10
6.Arsenic trioxide, arsenious (III) acid and/or salts
1327-53-3
10
7.Arsine (arsenic trihydride)
7784-42-1
1
8.Boron trifluoride
7637-07-2
20
9.Carbonyl dichloride (phosgene)
75-44-5
0.75
10.Chlorine
7782-50-5
25
11.Ethylene oxide
75-21-8
25
12.Ethyleneimine
151-56-4
20
13.Formaldehyde (concentration >90%)
50-00-0
50
14.Hydrogen
1333-74-0
25
15.Hydrogen chloride (anhydrous and refrigerated liquid)
7647-01-0
150
16.Hydrogen fluoride (anhydrous)
7664-39-3
15
17.Hydrogen sulphide
7783-06-4
20
18.Liquefied flammable gases, Category 1 or 2 (including LPG)
200
19.Methanol
67-56-1
5,000
20.Methyl acrylate
96-33-3
2,000
21.Methylisocyanate
624-83-9
0.15
22.Oxygen
7782-44-7
2,000
23.Petroleum products and alternative fuels
14,000
(a)gasolines and naphthas
 
 
(b)kerosenes (including jet fuels)
 
 
(c)gas oils (including diesel fuels and gas oil blending streams)
 
 
(d)heavy fuel oils
 
 
(e)alternative fuels serving the same purposes and with similar properties, with regard to flammability, to the products mentioned in paragraphs (a) to (d)
 
 
24.Phosphine (phosphorus trihydride)
7803-51-2
1
25.Potassium nitrate
7757-79-1
5,000
26.Propylamine
107-10-8
2,000
27.Propylene oxide
75-56-9
25
28.Sulphur trioxide
7446-11-9
75
29.Tert-butyl acrylate
1663-39-4
500
Part 2
CATEGORY OF DANGEROUS SUBSTANCES
NOT SPECIFICALLY NAMED IN PART 1
First column
Second column
Categories of dangerous substances with reference to
Globally Harmonised System of Classification
Threshold quantity (tonnes)
Section ‘H’ – HEALTH HAZARDS
H1ACUTE TOXIC
15
Acute toxic, Category 1, any exposure routes
 
H2ACUTE TOXIC
200
Acute toxic, Category 2, any exposure routes
 
Acute toxic, Category 3, inhalation exposure route
 
H3SPECIFIC TARGET ORGAN TOXICITY (STOT) – SINGLE EXPOSURE
200
STOT SE, Category 1
 
Section ‘P’ – PHYSICAL HAZARDS
P1aEXPLOSIVES
50
Explosives, Unstable explosives or Division 1.1, 1.2, 1.3 or 1.5
 
P1bEXPLOSIVES
200
Explosives, Division 1.4, or 1.6
 
P2FLAMMABLE GASES
25
Flammable gases, Category 1 or 2
 
P3AEROSOLS
500
Aerosols, Category 1 or 2
 
P4OXIDISING GASES
200
Oxidising gases, Category 1
 
P5aFLAMMABLE LIQUIDS
40
Flammable liquids, Category 1
 
Flammable liquids, Category 2 or 3 maintained at a temperature above their boiling point
 
Other liquids with a flash point ≤60°C, maintained at a temperature above their boiling point
 
P5bFLAMMABLE LIQUIDS
150
Flammable liquids, Category 2 or 3 where particular processing conditions, such as high pressure or high temperature, may create major accident hazards
 
Other liquids with a flash point ≤60°C where particular processing conditions, such as high pressure or high temperature, may create major accident hazards
 
P5cFLAMMABLE LIQUIDS
28,000
Flammable liquids, Category 2 or 3 not covered by P5a and P5b
 
P5dFLAMMABLE SOLIDS
200
Flammable solids, Category 1 or 2
 
P6aSELF-REACTIVE SUBSTANCES AND MIXTURES and ORGANIC PEROXIDES
50
Self-reactive substances and mixtures, Type A or B
 
Organic peroxides, Type A or B
 
P6bSELF-REACTIVE SUBSTANCES AND MIXTURES and ORGANIC PEROXIDES
200
Self-reactive substances and mixtures, Type C, D, E or F
 
Organic peroxides, Type C, D, E, or F
 
P7PYROPHORIC LIQUIDS AND SOLIDS
200
Pyrophoric liquids, Category 1
 
Pyrophoric solids, Category 1
 
P8OXIDISING LIQUIDS AND SOLIDS
200
Oxidising liquids, Category 1, 2 or 3
 
Oxidising solids, Category 1, 2 or 3
 
Section ‘O’ – OTHER HAZARDS
O1Substances and mixtures which in contact with water emit flammable gases, Category 1
500
O2Desensitized explosives when dry are Explosives of Class 1 other than those of compatibility group A, which are wetted with sufficient water, alcohol, or plasticizer to suppress explosive properties
200