[^M_E_07jjfr5p-gtpa-qi7j-mby6-69c428b16bcae]: This version of this provision extends to Scotland only; a separate version has been created for England and Wales only

[^M_E_aha0jehd-p06j-ynfy-y69e-69c428b16bd04]: This version of this provision extends to England and Wales only; a separate version has been created for Scotland only

[^V_S_20b9e25e-bafb-8c00-2088-ed42daf2a256]: Reg. 5 in force at 1.4.1991 for E.W. and 1.4.1992 for S., see reg. 1(2)

[^M_E_xwwcglam-rq2a-7k7j-8w60-69c42a662a0f6]: This version of this provision extends to Scotland only; a separate version has been created for England and Wales only

[^M_E_q67g2xj6-h2mm-0tbm-zd7f-69c42a662a17c]: This version of this provision extends to England and Wales only; a separate version has been created for Scotland only

[^key-c29a6430662cbd6ee4829ffb5a07693b]: Words in reg. 5(2) substituted (S.) (28.1.2004) by The Solvent Emissions (Scotland) Regulations 2004 (S.S.I. 2004/26), regs. 1(1), 22(a)(i)

[^key-b3a0eb9e8211deb35520df833a098175]: Reg. 5(3)(4) inserted (S.) (28.1.2004) by The Solvent Emissions (Scotland) Regulations 2004 (S.S.I. 2004/26), regs. 1(1), 22(a)(ii)

[^V_S_747a0c46-2b7b-13e5-e30a-8ec92367a0a0]: Words in reg. 6(2) substituted (1.12.1994) by The Environmental Protection (Prescribed Processes and Substances Etc.) (Amendment) Regulations 1994 (S.I. 1994/1271), regs. 1, 4(2)

[^V_S_d50db7c0-8209-f592-5405-ad5b5ac24cfb]: Reg. 6 in force at 1.4.1991 for E.W. and 1.4.1992 for S., see reg. 1(2)

[^M_E_0d3b2h0v-edxa-42ip-po8y-69c42b5906a44]: This version of this provision extends to Scotland only; a separate version has been created for England and Wales only

[^M_E_hsiebk4f-fntk-r8s8-lrxo-69c42b5906ac1]: This version of this provision extends to England and Wales only; a separate version has been created for Scotland only

[^key-f5844a70a1adc4924d09a55099fa655d]: Words in reg. 6(2)(3) inserted (S.) (28.1.2004) by The Solvent Emissions (Scotland) Regulations 2004 (S.S.I. 2004/26), regs. 1(1), 22(b)(i)

[^key-15bf4f9d877a1d006d71423d058ee617]: Reg. 6(4)-(6) inserted (S.) (28.1.2004) by The Solvent Emissions (Scotland) Regulations 2004 (S.S.I. 2004/26), regs. 1(1), 22(b)(ii)

[^M_F_6e6b2ab3-6d2d-4846-bfc7-472132ca6b45]: Words in Sch. 1 s. 5.1 substituted (E.) (16.7.2005) by The Hazardous Waste (England and Wales) Regulations 2005 (S.I. 2005/894), reg. 1(1)(b), Sch. 11 para. 8(a)(i) (with reg. 75)

[^M_F_29c870f3-3f15-447c-b9a9-5b72dab3cd8f]: Words in Sch. 1 s. 5.1 substituted (W.) (16.7.2005) by The Hazardous Waste (Wales) Regulations 2005 (S.I. 2005/1806), reg. 1(2)(ii), Sch. 11 para. 10(a)(i)

[^key-17685b0eef00469d5b8b44a0de8361ee]: Words in Sch. 1 s. 5.1 substituted (E.) (16.7.2005) by The Hazardous Waste (England and Wales) Regulations 2005 (S.I. 2005/894), reg. 1(1)(b), Sch. 11 para. 8(a)(ii) (with reg. 75)

[^key-d47e70df01253324fa6fdcdf5df175f1]: Words in Sch. 1 s. 5.1 substituted (W.) (16.7.2005) by The Hazardous Waste (Wales) Regulations 2005 (S.I. 2005/1806), reg. 1(2)(ii), Sch. 11 para. 10(a)(ii)

[^M_F_c7dc865b-d1ff-436a-c70c-f215db684e22]: Words in Sch. 1 s. 5.1 substituted (E.) (16.7.2005) by The Hazardous Waste (England and Wales) Regulations 2005 (S.I. 2005/894), reg. 1(1)(b), Sch. 11 para. 8(b)(i) (with reg. 75)

[^key-41b53c9a90fcff0c5a6ba3a2a987af1f]: Words in Sch. 1 s. 5.1 substituted (E.) (16.7.2005) by The Hazardous Waste (England and Wales) Regulations 2005 (S.I. 2005/894), reg. 1(1)(b), Sch. 11 para. 8(b)(ii) (with reg. 75)

[^key-58d28d037b7c65d4665e559b97fbef14]: Words in Sch. 1 s. 5.1 substituted (W.) (16.7.2005) by The Hazardous Waste (Wales) Regulations 2005 (S.I. 2005/1806), reg. 1(2)(ii), Sch. 11 para. 10(b)(i)

[^key-4afdb156d8b6b1e7c7c44fce3d0043db]: Words in Sch. 1 s. 5.1 substituted (W.) (16.7.2005) by The Hazardous Waste (Wales) Regulations 2005 (S.I. 2005/1806), reg. 1(2)(ii), Sch. 11 para. 10(b)(ii)

[^key-8caf6470d226dd80187b16c01d666b47]: Words in Sch. 1 s. 6.5 substituted (S.) (16.11.2005) by The Pollution Prevention and Control (Public Participation etc.) (Scotland) Regulations 2005 (S.S.I. 2005/510), regs. 1, 11

[^key-53c17010bdb32951880ff7e971676433]: Words in Sch. 1 s. 1.4 omitted (S.) (31.12.2011) by virtue of The Control of Volatile Organic Compounds (Petrol Vapour Recovery) (Scotland) Regulations 2011 (S.S.I. 2011/418), regs. 1(1), 2(2)

[^key-68f648b1bdebbf6951132781c689a785]: Reg. 3A substituted (S.) (7.1.2013) by The Pollution Prevention and Control (Scotland) Regulations 2012 (S.S.I. 2012/360), reg. 1(2), sch. 11 para. 4(2) (with reg. 71)

[^key-d11170686347f51849bf8e7498497e29]: Regulations revoked (E.W.) (6.4.2008) by The Environmental Permitting (England and Wales) Regulations 2007 (S.I. 2007/3538), reg. 1(1)(b), Sch. 22 (with regs. 69-72); and lapsed (S.) by virtue of repeal of power conferring provision 1990 c. 43, s. 2 (S.) (1.4.2015) by Pollution Prevention and Control Act 1999 (c. 24), s. 7(3), Sch. 3 (with s. 7(7)); S.S.I. 2015/74, art. 2(2)(b)

[^key-15c9479bf87abb821b756bdf8453869a]: Words in reg. 3A heading substituted (S.) (1.11.2025) by The Environmental Authorisations (Scotland) Amendment Regulations 2025 (S.S.I. 2025/165), reg. 1(2), sch. 22 para. 9(2) (with sch. 23)

[^key-b894ea47a192cabc902410e8f8ccf39e]: Words in reg. 3A(1) substituted (S.) (1.11.2025) by The Environmental Authorisations (Scotland) Amendment Regulations 2025 (S.S.I. 2025/165), reg. 1(2), sch. 22 para. 9(3) (with sch. 23)

[^key-75fcca841aeb95d59c483a3b78612f31]: Words in reg. 3A(2) inserted (S.) (1.11.2025) by The Environmental Authorisations (Scotland) Amendment Regulations 2025 (S.S.I. 2025/165), reg. 1(2), sch. 22 para. 9(4) (with sch. 23)

In paragraph (a), the heat treatment of oil does not include heat treatment of waste oil or waste emulsions containing oil in order to recover the oil.

7A

The reference to “any other process” in paragraph 2 and the references to “other processes” in paragraph 7 do not include references to a process (other than one described in Schedule 1) of loading or unloading any ship or other vessel.

2A

Notwithstanding the rule set out in paragraph 2, where a combustion process described in Part A of Section 1.3 of Schedule 1(a) is operated, or where one or more boilers, furnaces or other combustion appliances which are operated as part of a process so described are operated, as an inherent part of and primarily for the purpose of a process described in Part A of Section 1.1, Part A of Section 1.4 , Part A of Section 2.1, Part A of Section 6.3 or Part A of any Section of Chapter 4 of that Schedule (“the other process”), that combustion process or, as the case may be, the operation of those boilers, furnaces or appliances shall be treated as part of the other process and not as, or as part of, a separate combustion process.

3A

Where a person carries on a process which includes two or more processes described in Part A of different Sections of Chapter 4 of Schedule 1, those processes shall be treated as a single process falling within a description determined in accordance with the rule set out in paragraph 4.

3B

(1) Where paragraph 3A does not apply, but—

(a) two or more processes falling within descriptions in Part A of any Sections of Chapter 4 of Schedule 1 are carried on at the same location by the same person; and

(b) the carrying on of both or all of those processes at that location by that person is not likely to produce more than 250 tonnes of relevant products in any 12 month period,

those processes shall be treated as a single process falling within the description in whichever relevant Section is first mentioned in the sequence set out in paragraph 4.

(2) In sub-paragraph (1), “relevant products” means any products of the processes in question, other than—

(a) solid, liquid or gaseous waste;

(b) by-products, if the total value of all such by-products is insignificant in comparison to the total value of the output of the processes; or

(c) any substance or material retained in or added to the final product formulation, not as an active ingredient, but as a diluent, stabiliser or preservative or for a similar purpose.

Any description of a process in this Section includes, where the process produces slag, the crushing, screening or grading or other treatment of the slag if that process is related to the process in question.

In this Section “net rated thermal input” has the same meaning as in Section 1.3.

In this section—

“exempt hazardous waste incineration plant” means:an incineration plant for animal carcases or remains;an incineration plant for infectious clinical waste, provided that such waste is not rendered hazardous as a result of the presence of constituents listed in Annex II to Directive 91/689/EEC on hazardous wasteSchedule 2 of the Hazardous Waste (England and Wales) Regulations 2005Schedule 2 of the Hazardous Waste (Wales) Regulations 2005 other than constituent C35 in that list (infectious substances); ora municipal waste incineration plant also burning infectious clinical waste which is not mixed with other wastes which are rendered hazardous as a result of one of the properties listed in Annex III to Directive 91/689/EECSchedule 3 of the Hazardous Waste (England and Wales) Regulations 2005Schedule 3 of the Hazardous Waste (Wales) Regulations 2005 other than property H9 in that list (infectious);

“exempt incinerator” means any incinerator on premises where there is plant designed to incinerate waste, including animal remains at a rate of not more than 50 kgs per hour, not being an incinerator employed to incinerate clinical waste, sewage sludge, sewage screenings or municipal waste (as defined in Article I of EC Directive 89/369/EEC[^f00005]); and for the purposes of this section, the weight of waste shall be determined by reference to its weight as fed into the incinerator;

“hazardous waste” means any solid or liquid waste as defined in Article 1(4) of Directive 91/689/EECregulation 6 of the Hazardous Waste (England and Wales) Regulations 2005regulation 6 of the Hazardous Waste (Wales) Regulations 2005 but shall not include the following waste:combustible liquid wastes, including waste oils as defined in Article 1 of Directive 75/439/EEC on the disposal of waste oils, provided that they meet the following three criteria:the mass content of polychlorinated aromatic hydrocarbons, e.g. polychlorinated biphenyls or pentachlorinated phenol, amounts to concentrations not higher than those set out in the relevant Community legislation;these wastes are not rendered hazardous by virtue of containing other constituents listed in Annex II to Directive 91/689/EECin Schedule 2 to the Hazardous Waste (England and Wales) Regulations 2005in Schedule 2 to the Hazardous Waste (Wales) Regulations 2005 in quantities or in concentrations which are inconsistent with the achievement of the objectives set out in Article 4 of Directive 75/442/EEC on waste; andthe net calorific value amounts to at least 30 MJ per kilogramme;any combustible liquid wastes which cannot cause, in the flue gas directly resulting from their combustion, emissions other than those from gas oil, as defined in Article 1(1) of Directive 75/716/EEC on the approximation of the laws of Member States relating to the sulphur content of certain liquid fuels or a higher concentration of emissions than those resulting from the combustion of gas oil as so defined;hazardous waste resulting from the exploration for and the exploitation of oil and gas resources from off-shore installations and incinerated on board;municipal waste covered by Directives 89/369/EEC on the prevention of air pollution from new municipal waste incineration plants and 89/429/EEC on the reduction of air pollution from existing municipal waste incineration plants;sewage sludges from the treatment of municipal waste waters which are not rendered hazardous by virtue of containing constituents listed in Annex II to Directive 91/689/EECin Schedule 2 to the Hazardous Waste (England and Wales) Regulations 2005in Schedule 2 to the Hazardous Waste (Wales) Regulations 2005 in quantities or in concentrations which are inconsistent with the achievement of the objectives set out in the Article 4 of Directive 75/442/EEC on waste;

“incineration of hazardous waste in an incineration plant” means the incineration by oxidation of hazardous wastes, with or without recovery of the combustion heat generated, including pretreatment as well as pyrolysis or other thermal treatment processes, for example, plasma process, in so far as their products are subsequently incinerated, and includes the incineration of such wastes as a regular or additional fuel for any industrial process;

“waste” means solid or liquid wastes or gaseous wastes (other than gas produced by biological degradation of waste); and

“clinical waste” in the definition of exempt incinerator means waste (other than waste consisting wholly of animal remains) which falls within sub-paragraph (a) or (b) of the definition of such waste in paragraph (2) of regulation 1 of the Controlled Waste Regulations 1992 (or would fall within one of those sub-paragraphs but for paragraph (4) of that regulation).

2B

Notwithstanding the rule set out in paragraph 2, where a process of reforming natural gas described in paragraph (a) of Part A of Section 1.1 of Schedule 1 is carried on as an inherent part of and primarily for the purpose of producing a feedstock for a process described in Part A of any Section of Chapter 4 of that Schedule (“the other process”), that reforming process shall be treated as part of the other process and not as a separate process.

2C

Nothwithstanding the rule set out in paragraph 2, where the same person carries on at the same location two or more Part B processes described in the provisions of Schedule 1 mentioned in any one of the following sub-paragraphs, those processes shall be treated as requiring authorisation as a single process falling within Part B of the Section first mentioned in the relevant sub-paragraph—

(a) Section 2.1 and Section 2.2;

(b) Section 3.1 and Section 3.4;

(d) Section 6.5 and Section 6.6;

(e) Section 6.7 and paragraph (e) of Part B of Section 1.3 insofar as it relates to any process for the burning of waste wood.

(a) Odorising natural gas or liquified petroleum gas, except where that process is related to a Part A process.

(b) Blending odorant for use with natural gas or liquified petroleum gas.

In paragraph (c) of Part B of this Section, “refining natural gas” does not include refining mains gas.

For the purposes of paragraph (a) above, where—

two or more boilers or furnaces with an aggregate net rated thermal input of 50 megawatts or more (disregarding any boiler or furnace with a net rated thermal input of less than 3 megawatts); or

two or more gas turbines or compression ignition engines with an aggregate net rated thermal input of 50 megawatts or more (disregarding any such turbine or engine with a net rated thermal input of less than 3 megawatts),

are operated by the same person at the same location those boilers or furnaces or, as the case may be, those turbines or engines, shall be treated as a single combustion appliance with a net rated thermal input of 50 megawatts or more.

A process does not fall within paragraph (a), (b), (c) or (d) of this Part of this Section unless—

it is carried on as part of or is related to a process falling within a paragraph of this Part of this Section other than paragraph (a), (b), (c) or (d); or

it consists of, forms part of or is related to a process which is likely to involve the unloading in any 12 month period of more than 500,000 tonnes of iron ore or burnt pyrites or, in aggregate, both.

In this Section and Section 2.2, “ferrous alloy” means an alloy of which iron is the largest constituent, or equal to the largest constituent, by weight, whether or not that alloy also has a non-ferrous metal content greater than any percentage specified in Section 2.2 below, and “non-ferrous metal alloy” shall be construed accordingly.

The processes described in paragraphs (a), (c) and (d) above include any related process for the refining of any non-ferrous metal or non-ferrous metal alloy.

Nothing in this Section shall be taken to prescribe the processes of hand soldering or flow soldering.

Except where paragraph 2 or 8 of Schedule 2 applies, nothing in this chapter of this Schedule applies to the operation of waste treatment plant.

In this Part of this Section, “designated acrylate” means any of the following, namely, acrylic acid, substituted acrylic acids, the esters of acrylic acid and the esters of substituted acrylic acids.

Any process for the surface treatment of metal which is likely to result in the release into the air of any acid-forming oxide of nitrogen and which does not fall within a description in Section 2.1 or 2.2 of this Schedule and is not treated as so falling by virtue of the rules in Schedule 2.

The storage in a tank or tanks, other than as part of a Part A process, and other than in a tank for the time being forming part of a powered vehicle, of any of the substances listed below except where the total capacity of the tanks installed at the location in question in which the relevant substance may be stored is less than the figure specified below in relation to that substance;

any one or more designated acrylates	20 tonnes
acrylonitrile	20 tonnes
anhydrous ammonia	100 tonnes
anhydrous hydrogen fluoride	1 tonne
toluene di-isocyanate	20 tonnes
vinyl chloride monomer	20 tonnes
ethylene	8,000 tonnes

In this Section, “designated acrylate” has the same meaning as in Part A of Section 4.2.

Any process not falling within Part A of this Section or within any other description in this Schedule involving—

(a) the heating, but not the distillation, of tar or bitumen in connection with any process of manufacture; or

(b) (unless the process is related to and carried on as part of a process falling within Part A of Section 1.4 of this Schedule) the oxidation of bitumen by blowing air through it,

where the carrying on of the process by the person concerned at the location in question is likely to involve the use in any 12 month period of 5 tonnes or more of tar or of bitumen or, in aggregate, of both.

In this Section the expressions “tar” and “bitumen” include pitch.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

(1)	(2)
Substance	Amount in excess of background quantity released in any 12 month period (Grammes)
*Where both Atrazine and Simazine are released, the figure in aggregate is 350 grammes.	*Where both Atrazine and Simazine are released, the figure in aggregate is 350 grammes.
Mercury and its compounds	200 (expressed as metal)
Cadmium and its compounds	1000 (expressed as metal)
All isomers of hexachlorocyclohexane	20
All isomers of DDT	5
Pentachlorophenol and its compounds	350 (expressed as PCP)
Hexachlorobenzene	5
Hexachlorobutadiene	20
Aldrin	2
Dieldrin	2
Endrin	1
Polychlorinated Biphenyls	1
Dichlorvos	0.2
1,2-Dichloroethane	2000
All isomers of trichlorobenzene	75
Atrazine	350[^f01000]
Simazine	350[^f01000]
Tributyltin compounds	4 (expressed as TBT)
Triphenyltin compounds	4 (expressed as TPT)
Trifluralin	20
Fenitrothion	2
Azinphos-methyl	2
Malathion	2
Endosulfan	0.5

Nothing in this Part of this Section applies to the burning of any fuel in a boiler, furnace or other appliance with a net rated thermal input of less than 3 megawatts.

Any process, unless related to and carried on as part of a process falling within Part A of this Section, for the polymerisation or co-polymerisation of any pre-formulated resin or pre-formulated gel coat which contains any unsaturated hydrocarbons, or which contains any product of a process mentioned in paragraph (b) or (c) of Part A of this Section, which is likely to involve, in any 12 month period, the polymerisation or co-polymerisation of 100 tonnes or more of unsaturated hydrocarbons or of any such products or, in aggregate, of any combination of those materials and products.

In this Section and in Section 4.2, “pre-formulated resin or pre-formulated gel coat” means any resin or gel coat which has been formulated before being introduced into the polymerisation or co-polymerisation process (whether or not the resin or gel coat contains a colour pigment, activator or catalyst).

Any process, unless related to and carried on as part of a process falling within Part A of this Section, for the polymerisation or co-polymerisation of any pre-formulated resin or pre-formulated gel coat which contains any styrene, which is likely to involve, in any 12 month period, the polymerisation or co-polymerisation of 100 tonnes or more of styrene.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

In this Part of this Section—

“inland waterway vessel” means a vessel, other than a sea-going vessel, having a total dead weight of 15 tonnes or more;

“petrol” means any petroleum derivative, with or without additives, having a reid vapour pressure of 27.6 kilopascals or more which is intended for use as a fuel for motor vehicles, other than liquefied petroleum gas;

“service station” means any premises where petrol is dispensed to motor vehicle fuel tanks from stationary storage tanks;

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