# The Planning (Hazardous Substances) Regulations 2015, Part 2: Named hazardous substances

Extent: E+W

1 The CAS number is shown only for indication
Column 1
CAS number1
Column 2
Hazardous substances
Controlled quantity (tonnes)
1 Ammonium nitrate (see note 14)
-
5,000
2 Ammonium nitrate (see note 15)
-
1,250
3 Ammonium nitrate (see note 16)
-
350
4 Ammonium nitrate (see note 17)
-
10
5 Potassium nitrate (see note 18)
-
5,000
6 Potassium nitrate (see note 19)
-
1,250
7 Arsenic pentoxide, arsenic (V) acid and/or salts
1303-28-2
1
8 Arsenic trioxide, arsenious (III) acid and/or salts
1327-53-3
0.1
9 Bromine
7726-95-6
20
10 Chlorine
7782-50-5
10
11 Nickel compounds in inhalable powder form: nickel monoxide, nickel dioxide, nickel sulphide, trinickel disulphide, dinickel trioxide
-
1
12 Ethyleneimine
151-56-4
10
13 Fluorine
7782-41-4
10
14 Formaldehyde (concentration ≥ 90%)
50-00-0
5
15 Hydrogen
1333-74-0
2*
16 Hydrogen chloride (liquefied gas)
7647-01-0
25
17 Lead alkyls
-
5
18 Liquefied flammable gases, Category 1 or 2 (including LPG) and natural gas (see note 20)
-
Natural gas (including liquefied natural gas): 15*
Liquefied petroleum gas: 25*
Any other liquefied flammable gases: 50
19 Acetylene
74-86-2
5
20 Ethylene oxide
75-21-8
5
21 Propylene oxide
75-56-9
5
22 Methanol
67-56-1
500
23 4, 4′-Methylene bis (2-chloraniline) and/or salts, in powder form
101-14-4
0.01
24 Methylisocyanate
624-83-9
0.15
25 Oxygen
7782-44-7
200
26 2,4 -Toluene diisocyanate 2,6 -Toluene diisocyanate
584-84-9
91-08-7
10
27 Carbonyl dichloride (phosgene)
75-44-5
0.3
28 Arsine (arsenic trihydride)
7784-42-1
0.2
29 Phosphine (phosphorus trihydride)
7803-51-2
0.2
30 Sulphur dichloride
10545-99-0
1
31 Sulphur trioxide
7446-11-9
15
32 Polychlorodibenzofurans and polychlorodibenzodioxins (including TCDD), calculated in TCDD equivalent (see note 21)
-
0.001
33 The following CARCINOGENS or the mixtures containing the following carcinogens at concentrations above 5% by weight: 4-Aminobiphenyl and/or its salts, Benzotrichloride, Benzidine and/or salts, Bis (chloromethyl) ether, Chloromethyl methyl ether, 1,2-Dibromoethane, Diethyl sulphate, Dimethyl sulphate, Dimethylcarbamoyl chloride, 1,2-Dibromo-3-chloropropane, 1,2-Dimethylhydrazine, Dimethylnitrosamine, Hexamethylphosphoric triamide, Hydrazine, 2- Naphthylamine and/or salts, 4-Nitrodiphenyl, and 1,3 Propanesultone
-
0.5
34 Petroleum products and alternative fuels (a) gasolines and naphthas, (b) kerosenes (including jet fuels), (c) gas oils (including diesel fuels, home heating oils and gas oil blending streams) (d) heavy fuel oils (e) alternative fuels serving the same purposes and with similar properties as regards flammability and environmental hazards as the products referred to in points (a) to (d)
-
2,500
35 Anhydrous ammonia
7664-41-7
50
36 Boron trifluoride
7637-07-2
5
37 Hydrogen sulphide
7783-06-4
5
38 Piperidine
110-89-4
50
39 Bis(2-dimethylaminoethyl) (methyl)amin
3030-47-5
50
40 3-(2-Ethylhexyloxy)propylamin
5397-31-9
50
41 Mixtures (*) of sodium hypochlorite classified as Aquatic Acute Category 1 [H400] containing less than 5 % active chlorine and not classified under any of the other hazard categories in Part 1 of this Schedule provided that the mixture in the absence of sodium hypochlorite would not be classified as Aquatic Acute Category 1 [H400].
-
200
42 Propylamine (see note 22)
107-10-8
500
43 Tert-butyl acrylate (see note 22)
1663-39-4
200
44 2-Methyl-3-butenenitrile (see note 22)
16529-56-9
500
45 Tetrahydro-3,5-dimethyl-1,3,5,-thiadiazine-2-thione (Dazomet) (see note 22)
533-74-4
100
46 Methyl acrylate (see note 22)
96-33-3
500
47 3-Methylpyridine (see note 22)
108-99-6
500
48 1-Bromo-3-chloropropane (see note 22)
109-70-6
500

---
Source: https://www.legislation.gov.uk/uksi/2015/627/schedule/1/part/2 (the official version)
Page: https://openlegislation.uk/planning-hazardous-substances-regulations-2015/schedule-1/part-2
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.