
1 
This Order may be cited as the Merchant Shipping (Prevention of Pollution: Substances Other than Oil) (Intervention) Order 1997 and shall come into force on 1st September 1997.
2 
The substances prescribed for the purposes of section 138A of the Merchant Shipping Act 1995 (Application of sections 137 and 138 to substances other than oil) are those listed in the Schedule to this Order.
Signed by authority of the Secretary of State for Transport
Glenda Jackson
Parliamentary Under Secretary of State,
Department of the Environment, Transport and the Regions
29th July 1997 
SCHEDULE
Article 2
PART 1

 Acetone cyanohydrin
 Acrylonitrile
 Alachlor technical (90% or more)
 Alcohol (C6–C17)(secondary) poly(3–6) ethoxylates
 Alcohol (C12–C15) poly(1–6) ethoxylates
 Alcohol (C6–C17) (secondary) poly(7–12) ethoxylates
 Alcohol (C12–C15) poly(7–19) ethoxylates
 Alkaryl polyethers (C9–C20)
 Alkyl (C3–C4) benzenes
 Alkyl (C5–C8) benzenes
 Alkyl (C7–C9) nitrates
 Alkyl acrylate-vinyl pyridine copolymer in toluene
 Alkylbenzene, alkylindane, alkylindene mixture (each C12–C17)
 Allyl alcohol
 Allyl chloride
 Ammonium sulphide solution (45% or less)
 Aniline
 Benzene and mixtures having 10% benzene or more*
 Benzyl chloride
 Benzyl alcohol
 Butene oligomer
 Butyl butyrate (all isomers)
 Butyl benzyl phthalate
 Butyl acrylate (all isomers)
 Butylamine (all isomers)
 Butyraldehyde (all isomers)
 Calcium alkyl (C9) phenol sulphide/Polyolefin phosphorosulphide mixture
 Calcium hypochlorite solution (more than 15%)
 Calcium long-chain alkyl phenate sulphide (C8–C40)
 Camphor oil
 Carbolic oil
 Carbon disulphide
 Carbon tetrachloride
 Chlorinated paraffins (C10–C13)
 Chloroacetic acid (80% or less)
 Chlorobenzene
 o-Chloronitrobenzene
 Chloroform
 Chlorohydrins (crude)
 2- or 3-Chloropropionic acid
 m-Chlorotoluene
 o-Chlorotoluene
 p-Chlorotoluene
 Chlorotoluenes (mixed isomers)
 Coal tar
 Coal tar naphtha solvent
 Coal tar pitch (molten)
 Cobalt naphthenate in solvent naphtha
 Creosote (coal tar)
 Creosote (wood)
 Cresols (all isomers)
 Cresylic acid, dephenolized
 Cresylic acid, sodium salt solution
 Crotonaldehyde
 1,5,9-Cyclododecatriene
 Cyclohexyl acetate
 Cyclohexylamine
 1,3-Cyclopentadiene dimer (molten)
 Cyclopentene
 Decanoic acid
 Decene
 Decyl acetate
 Decyl alcohol (all isomers)
 Decyl acrylate
 Decyloxytetrahydro-thiophene dioxide
 Di-n-hexyl adipate
 Di-n-propylamine
 Dibutyl phthalate
 Dibutyl hydrogen phosphonate
 Dibutylamine
 Dichlorobenzene (all isomers)
 Dichloroethyl ether
 1,6-Dichlorohexane
 2,4-Dichlorophenol
 2,4-Dichlorophenoxyacetic acid, diethanolamine salt solution
 2,4-Dichlorophenoxyacetic acid, dimethylamine salt solution (70% or less)
 2,4-Dichlorophenoxyacetic acid, triisopropanolamine salt solution
 1,2-Dichloropropane
 1,3-Dichloropropene
 Dichloropropene/Dichloro- propane mixtures
 Diethyl sulphate
 Diethylamine
 Diethylaminoethanol
 Diethylbenzene
 Diglycidyl ether of bisphenol F
 Diglycidyl ether of bisphenol A
 Diisobutyl phthalate
 Diisobutylamine
 Diisobutylene
 Diisopropylamine
 Diisopropylbenzene (all isomers)
 Dimethyl octanoic acid
 Dimethyl adipate
 Dimethyl hydrogen phosphite
 Dimethylamine solution (greater than 55% but not greater than 65%)
 Dimethylamine solution (greater than 45% but not greater than 55%)
 Dimethylamine solution (45% or less)
 N,N-Dimethylcyclohexylamine
 Dinitrotoluene (molten)
 1,4-Dioxane
 Diphenyl
 Diphenyl ether
 Diphenyl ether/Diphenyl phenyl ether mixture
 Diphenyl/Diphenyl ether mixtures
 Diphenylamine, reaction product with 2,2,4-Trimethylpentene
 Diphenylamines, alkylated
 Diphenylmethane diisocyanate
 Diphenylol propane
 Diphenylol propane- epichlorohydrin resins
 Dodecene (all isomers)
 Dodecyl alcohol
 Dodecyl diphenyl ether disulphonate solution
 Dodecyl phenol
 Dodecylamine/Tetradecylamine mixture
 Dodecyldimethylamine/Tetradecyldimethylamine mixture
 Drilling brines (containing Zinc salts)
 Epichlorohydrin
 Ethyl acrylate
 Ethylamine solutions (72% or less)
 Ethylamine
 Ethylbenzene
 N-Ethylbutylamine
 Ethylene dichloride
 Ethylene dibromide
 Ethylene chlorohydrin
 Ethylene oxide/Propylene oxide mixture with an Ethylene oxide content of not more than 30% in weight
 Ethylene glycol methyl ether acetate
 Ethylenediamine
 2-Ethylhexyl acrylate
 2-Ethylhexylamine
 Ethylidene norbornene
 o-Ethylphenol
 2-Ethyl-3-propylacrolein
 Ethyltoluene
 Fluorosilicic acid (20–30%) in water solution
 Formaldehyde solutions (45% or less)
 Fumaric adduct of rosin, water dispersion
 Furfural
 Glycidyl ester of C10 trialkylacetic acid
 Heptyl acetate
 Hexamethylenediamine solution
 Hexyl acetate
 2-Hydroxyethyl acrylate
 2-Hydroxy-4-(methylthio) butanoic acid
 Isophorone diisocyanate
 Isophoronediamine
 Lactonitrile solution (80% or less)
 Lauric acid
 Liquid chemical wastes
 Long chain polyetheramine in alkyl (C2–C4) benzenes
 Long chain polyetheramine in aromatic solvent
 Long chain alkaryl polyether (C11–C20)
 Magnesium long chain alkyl salicylate (C11+)
 Mercaptobenzothiazol, sodium salt solution
 Metam sodium solution
 Methacrylic resin in Ethylene dichloride
 Methyl acrylate
 Methyl butyl ketone
 2-Methyl-6-ethyl aniline
 Methyl heptyl ketone
 Methyl methacrylate
 Methylcyclopentadiene dimer
 Methyl naphthalene (molten)
 3-Methylpyridine
 Methyl salicylate
 alpha-Methylstyrene
 Motor fuel anti-knock compounds (containing lead alkyls)
 Naphthalene (molten)
 Naphthenic acids
 Neodecanoic acid
 Nitrating acid (mixture of sulphuric and nitric acids)
 Nitrobenzene
 o-Nitrophenol (molten)
 o- or p-Nitrotoluenes
 Nonene (all isomers)
 Nonyl phenol
 Nonyl phenol poly(4- 12) ethoxylates
 Noxious liquid, N.F, (1) n.o.s. (trade name . . . , contains . . .) S.T.1, Cat.A*
 Noxious liquid, F, (2) n.o.s. (trade name . . . , contains . . .) S.T.1, Cat.A*
 Noxious liquid, N.F, (3) n.o.s. (trade name . . . , contains . . .) S.T.2, Cat.A*
 Noxious liquid, F, (4) n.o.s. (trade name . . . , contains . . .) S.T.2, Cat.A*
 Noxious liquid, N.F, (5) n.o.s. (trade name . . . , contains . . .) S.T.2, Cat.B*
 Noxious liquid, N.F, (6) n.o.s. (trade name . . . , contains . . .) S.T.2, Cat.B*, mp
 Noxious liquid, F, (7) n.o.s. (trade name . . . , contains . . .) S.T.2, Cat.B*
 Noxious liquid, F, (8) n.o.s. (trade name . . . , contains . . .) S.T.2, Cat.B*, mp
 Noxious liquid, N.F, (9) n.o.s. (trade name . . . , contains . . .) S.T.3, Cat.A*
 Noxious liquid, F, (10) n.o.s. (trade name . . . , contains . . .) S.T.3, Cat.A*
 Noxious liquid, N.F, (11) n.o.s. (trade name . . . , contains . . .) S.T.3, Cat.B*
 Noxious liquid, N.F, (12) n.o.s. (trade name . . . , contains . . .) S.T.3, Cat.B*, mp
 Noxious liquid, F, (13) n.o.s. (trade name . . . , contains . . .) S.T.3, Cat.B*
 Noxious liquid, F, (14) n.o.s. (trade name . . . , contains . . .) S.T.3, Cat.B*, mp
 Octene (all isomers)
 Octyl aldehydes
 Olefin mixtures (C5–C15)
 alpha-Olefins (C6–C18) mixtures
 Oleum
 Oleylamine
 Palm kernel acid oil
 Pentachloroethane
 Perchloroethylene
 Phosphorus, yellow or white
 Phthalic anhydride (molten)
 alpha-Pinene
 beta-Pinene
 Poly(2+)cyclic aromatics
 Polyethylene polyamines
 Polyolefin amide alkeneamine (C28+)
 Polyolefin amide alkeneamine borate (C28–C250)
 Polyolefin amide alkeneamine polyol
 Polyolefinamine in aromatic solvent
 Polyolefinamine in alkyl (C2–C4) benzenes
 Polyolefin ester (C28–C250)
 beta-Propiolactone
 Propionitrile
 n-Propylamine
 Propylbenzene (all isomers)
 Propylene trimer
 Propylene oxide
 Propylene tetramer
 Rosin soap (disproportionated) solution
 Rosin
 Sodium sulphide solution (15% or less)
 Sodium dichromate solution (70% or less)
 Sodium hydrogen sulphide (6% or less)/Sodium carbonate (3% or less) solution
 Sodium hydrosulphide solution (45% or less)
 Sodium hydrosulphide/Ammonium sulphide solution
 Sodium petroleum sulfonate
 Sodium nitrite solution
 Sodium thiocyanate solution (56% or less)
 Styrene monomer
 Sulpho hydrocarbon long chain (C18+) alkylamine mixture
 Sulphuric acid
 Sulphuric acid, spent
 Tall oil (crude and distilled)
 Tall oil fatty acid (resin acids less than 20%)
 Tall oil soap (disproportionated) solution
 Tall oil fatty acid, barium salt
 Tetrachloroethane
 Tetramethylbenzene (all isomers)
 Toluene
 Toluene diisocyanate
 Toluenediamine
 o-Toluidine
 Tributyl phosphate
 1,2,4-Trichlorobenzene
 Trichloroethylene
 Tricresyl phosphate (containing 1% or more ortho-isomer)
 Tricresyl phosphate (containing less than 1% ortho-isomer)
 Triethylamine
 Triethylbenzene
 Triethylenetetramine
 Triethylphosphite
 Triisopropylated phenyl phosphates
 Trimethylamine solution (30% or less)
 Trimethylbenzene (all isomers)
 Trimethylhexamethylene diisocyanate (2,2,4- and 2,4,4-isomers)
 Trixylyl phosphate
 Turpentine
 Undecanoic acid
 1-Undecene
 Undecyl alcohol
 Vinyl neodecanoate
 Vinylidene chloride
 Vinyltoluene
 White spirit, low (15–20%) aromatic
 Xylenes
 Xylenol
 Zinc alkaryl dithiophosphate (C7–C16)
 Zinc alkyl dithiophosphate (C3–C14)

PART 2

 Aldrin
 Azinphos-ethyl
 Azinphos-methyl
 gamma-BHC
 Binapacryl
 Brodifacoum
 Bromophos-ethyl
 Cadmium compound
 Camphechlor
 Carbophenothion
 Chlordane
 Chlorinated paraffin (C10–C13)
 Chlorophenolates, liquid
 Chlorophenolates, solid
 Chlorpyriphos
 Chlorthiophos
 Copper cyanide
 Copper metal powder
 Coumaphos
 Cresyl diphenylphosphate
 Cupric cyanide
 Cupric sulphate
 1,5,9-cyclododecatriene
 Cyhexatin
 Cymenes (ortho-; meta-; para-)
 Cymol
 Cypermethrin
 DDT
 Dialifos
 Diazinon
 Dichlofenthion
 Dichlorvos
 Dieldrin
 Dimethoate
 Diphenylaminechloroarsine
 Diphenylchloroarsine, liquid
 Diphenylchloroarsine, solid
 Dodecylphenol
 Endosulfan
 Endrin
 EPN
 Esfenvalerate
 Ethion
 Fenbutatin oxide
 Fenitrothion
 Fenpropathrin
 Fenthion
 Fentin acetate
 Fentin hydroxide
 Fonofos
 Heptachlor
 Hexachlorobutadiene
 Hexachloro-1,3-butadiene
 1,3-hexachlorobutadiene
 Isopropyltoluene
 Isopropyltoluol
 Isoxathion
 Lindane
 Mercuric acetate
 Mercuric ammonium chloride
 Mercuric arsenate
 Mercuric benzoate
 Mercuric bisulphate
 Mercuric bromide
 Mercuric chloride
 Mercuric cyanide
 Mercuric gluconate
 Mercuric nitrate
 Mercuric oleate
 Mercuric oxide
 Mercuric oxycyanide, desensitised
 Mercuric potassium cyanide
 Mercuric sulphate
 Mercuric thiocyanate
 Mercurol
 Mercurous acetate
 Mercurous bisulphate
 Mercurous bromide
 Mercurous chloride
 Mercurous nitrate
 Mercurous salicylate
 Mercurous sulphate
 Mercury acetate
 Mercury ammonium chloride
 Mercury-based pesticide, liquid, flammable, toxic, flashpoint less than 23°C c.c.
 Mercury-based pesticide, liquid, toxic
 Mercury-based pesticide, liquid, toxic, flammable, flashpoint between 23°C and 61°C c.c.
 Mercury-based pesticide, solid, toxic
 Mercury benzoate
 Mercury bichloride
 Mercury bisulphate
 Mercury bromides
 Mercury compound, liquid, n.o.s.
 Mercury compound, solid, n.o.s.
 Mercury(ii) (mercuric) compounds or Mercury(i) (mercurous) compounds
 Mercury cyanide
 Mercury gluconate
 Mercury nucleate
 Mercury oleate
 Mercury oxide
 Mercury oxycyanide, desensitised
 Mercury potassium cyanide
 Mercury potassium iodide
 Mercury salicylate
 Mercury sulphate
 Mercury thiocyanate
 Methylpropylbenzenes
 Mevinphos
 Nickel carbonyl
 Nickel cyanide
 Nickel tetracarbonyl
 Organotin compound, liquid, n.o.s.
 Organotin compound, solid, n.o.s.
 Organotin compounds
 (pesticides)
 Organotin pesticide, liquid, flammable, toxic, flashpoint less than 23°C c.c.
 Organotin pesticide, liquid, toxic
 Organotin pesticide, liquid, toxic, flammable, flashpoint between 23°C and 61°C c.c
 Organotin pesticide, solid, toxic
 Osmium tetroxide
 Parathion
 Parathion-methyl
 PCB's
 Pentachlorophenol
 Pentachlorophenol
 Phenarsazine chloride
 Phenthoate
 Phenylmercuric acetate
 Phenylmercuric compound, n.o.s.
 Phenylmercuric hydroxide
 Phenylmercuric nitrate
 Phorate
 Phosalone
 Phosphamidon
 Phosphorus, white, dry
 Phosphorus, white, molten
 Phosphorus, white, under water
 Phosphorus, yellow, dry
 Phosphorus, yellow, molten
 Phosphorus, yellow, under water
 Polychlorinated biphenyls
 Polyhalogenated biphenyls, liquid
 Polyhalogenated biphenyls, solid
 Polyhalogenated ter-phenyls, liquid
 Polyhalogenated ter-phenyls, solid
 Potassium cuprocyanide
 Potassium cyanocuprate
 Potassium cyanomercurate
 Potassium mercuric iodide
 Pyrazophos
 Quizalofop
 Quizalofop-p-ethyl
 Sodium copper cyanide, solid
 Sodium copper cyanide, solution
 Sodium cuprocyanide, solid
 Sodium cuprocyanide, solution
 Sodium pentachlorophenate
 Sulprophos
 White phosphorus, dry
 White phosphorus, wet
 Yellow phosphorus, dry
 Yellow phosphorus, wet
 Terbufos
 Tetrachlorvinphos

PART 3

 Radioactive materials

PART 4

 Acetaldehyde
 Anhydrous ammonia
 Chlorine
 Dimethylamine
 Ethyl chloride
 Ethylene oxide
 Hydrogen chloride, anhydrous
 Hydrogen fluoride, anhydrous
 Methyl bromide
 Methyl Chloride
 Sulphur dioxide
 Vinyl chloride monomer
