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Identification of Seveso Identification of Seveso Sites:Sites:
Practical ApproachPractical Approach
Preparation of list of industrial Preparation of list of industrial activitiesactivities
Possible sources of informationPossible sources of information– Register of hazardous activitiesRegister of hazardous activities
– Inventories of establishments working Inventories of establishments working with hazardous substanceswith hazardous substances
– Register of IPPC sitesRegister of IPPC sites
– Inspection reportsInspection reports
– Other sourcesOther sources
ExclusionsExclusionsArticle 4 of the directive
– military establishments, installations or storage facilities;– hazards created by ionizing radiation;– the transport of dangerous substances and intermediate
temporary storage by road, rail, internal waterways, sea or air, outside the establishments, including loading and unloading and transport to and from another means of transportation at docks, wharves or marshalling yards;
– the transport of dangerous substances in pipelines, including pumping stations outside the establishments;
– the exploration, extraction and processing of minerals in mines, quarries, or by means of boreholes, with the exception of chemical and thermal processing operations and storage related to those operations which involve dangerous substances;
– the offshore exploration and exploitation of minerals, including hydrocarbons;
– waste landfill sites, with the exception of operational tailings disposal facilities, including tailing ponds or dams, containing dangerous substances, in particular when used in connection with the chemical and thermal processing of minerals.
ExclusionsExclusions
Excluded sector? (Article 4)
Seveso does not apply
What is the quantity of dangerous substances?
(Annex I)
Lower than lower tier
•Notification•Major accident prevention policy (MAPP)•Domino effects•Land-use planning•Inspection
Quantity above the lower threshold
Quantity above the higher threshold
Yes
No
Additionally:•Safety report (including MAPP and safety management system)•Emergency plans (internal and external)•Information to the public
Classification of a Seveso siteClassification of a Seveso site
Step-by-step approachStep-by-step approach Including all installations within the establishmentIncluding all installations within the establishment
– Storage facilitiesStorage facilities– Production facilitiesProduction facilities– Loading and distributing facilitiesLoading and distributing facilities
Including all chemicals in the establishmentIncluding all chemicals in the establishment– Raw materialsRaw materials– IntermediatesIntermediates– ByproductsByproducts– Finished productsFinished products– Substances built during chemical reactions or by Substances built during chemical reactions or by
an accidentan accident
Step 1 – gathering information on all substances at the site
Structure of Annex IStructure of Annex I Part I – Named substancesPart I – Named substances
– Substances of high concern /TDI, Methyl isocyanide, phosgene, Substances of high concern /TDI, Methyl isocyanide, phosgene, chlorine/chlorine/
– Widely used substances /ammonium nitrate, LPG, petroleum Widely used substances /ammonium nitrate, LPG, petroleum products/products/
Part II - Categories of substances and preparations not Part II - Categories of substances and preparations not specifically named in Part IIspecifically named in Part II– Based on generic toxicological, physical-chemical or Based on generic toxicological, physical-chemical or
ecotoxicological propertiesecotoxicological properties
– Characteristic endpoints – LDCharacteristic endpoints – LD5050, LC, LC50, 50, ECEC5050, flashpoint, etc., flashpoint, etc.
Explanatory NotesExplanatory Notes
Classification of a Seveso siteClassification of a Seveso site
Classification according the physical, chemical and toxicological Classification according the physical, chemical and toxicological propertiesproperties– The EU chemical legislationThe EU chemical legislation
CLP Directive 67/548/EEC until – 2010 for substances– 2015 for preparations/mixtures
GHS Regulation (EC) No. 1272/2008 – New classification rules– Downstream effect
– Data from the operator Even if the substance does not have EU harmonised classification as a dangerous
substance, due to its properties it still can be dangerous according p. 1 of Annex I of the Directive
The classification of the substances and preparations at the site is a responsibility of the operator!
Step 2 – hazardous chemicals meeting the hazardous chemicals meeting the criteria of Annex Icriteria of Annex I
Classification of a Seveso siteClassification of a Seveso site
International Sources of informationInternational Sources of information– MSDS of the chemicalsMSDS of the chemicals
ILO Database - ILO Database - http://www.ilo.org/public/english/protection/safework/cis/products/icshttp://www.ilo.org/public/english/protection/safework/cis/products/icsc/index.htmc/index.htm
Other recognised sources Other recognised sources Classlab – The JRC of the EU database – Classlab – The JRC of the EU database –
http://ecb.jrc.it/classification-labelling/search-classlabhttp://ecb.jrc.it/classification-labelling/search-classlab//– Based on Annex I of Directive 67/548/EECBased on Annex I of Directive 67/548/EEC
Gives Seveso classes -> connection to Annex I of the ConventionGives Seveso classes -> connection to Annex I of the Convention– ESIS database - The JRC of the EU database – ESIS database - The JRC of the EU database – http://http://ecb.jrc.it/esisecb.jrc.it/esis//– Substances produced or marketed in the EUSubstances produced or marketed in the EU
For HPVC and/or substances of high concern – IUCLID dossier with For HPVC and/or substances of high concern – IUCLID dossier with relevant toxicological and physicochemical properties - relevant toxicological and physicochemical properties - httphttp://://ecbecb..jrcjrc..itit//esisesis//indexindex..phpphp?PGM=?PGM=datdat
– Local legislation for classification of hazardous chemicalsLocal legislation for classification of hazardous chemicals– ADR (GHS) Classification of the chemicals - ADR (GHS) Classification of the chemicals - http://http://
www.unece.org/trans/danger/publi/ghs/ghs_welcome_e.htmlwww.unece.org/trans/danger/publi/ghs/ghs_welcome_e.html– Other sourcesOther sources
Toxicological properties scientific reportsToxicological properties scientific reports Physicochemical properties scientific reportsPhysicochemical properties scientific reports Modeling software - EPISUITEModeling software - EPISUITE Websites – Chemfinder, Chemindustry.com, etc.Websites – Chemfinder, Chemindustry.com, etc. Industry experienceIndustry experience
Step 2 – hazardous chemicals meeting the hazardous chemicals meeting the criteria of Annex Icriteria of Annex I
Classification of a Seveso siteClassification of a Seveso site
For gaseous and liquid chemicals – the storage and For gaseous and liquid chemicals – the storage and production capacitiesproduction capacities
For solid chemicals – the amount needed for For solid chemicals – the amount needed for 100% 100% production capacity, including reservesproduction capacity, including reserves
Step 2 – Determining the maximum amounts of the Determining the maximum amounts of the hazardous substanceshazardous substances
Classification of a Seveso siteClassification of a Seveso site
For named substancesFor named substances– Threshold quantities in Columns 2 Threshold quantities in Columns 2
and 3 of Part 1 of Annex Iand 3 of Part 1 of Annex I– If in preparationsIf in preparations
Recalculation to pure substancesRecalculation to pure substancesAs long as the preparations posses As long as the preparations posses
hazardous propertieshazardous properties
Step 2 – Determining the threshold quantities for the Determining the threshold quantities for the dangerous substancesdangerous substances
Column 1 Column 2 Column 3
Qualifying quantity (tonnes)
Dangerous substances for the application of
Articles 6 and 7
Article 9
Ammonium nitrate (see note 1) 5 000 10 000
Ammonium nitrate (see note 2) 1 250 5 000
Ammonium nitrate (see note 3) 350 2 500
Ammonium nitrate (see note 4) 10 50
Potassium nitrate (see note 5) 5 000 10 000
Potassium nitrate (see note 6) 1 250 5 000
Arsenic pentoxide, arsenic (V) acid and/or salts 1 2
Arsenic trioxide, arsenious (III) acid and/or salts 0,1
Bromine 20 100
Chlorine 10 25
Nickel compounds in inhalable powder form (nickel monoxide, nickel dioxide, nickel sulphide, trinickel disulphide, dinickel trioxide)
1
Ammonium NitrateAmmonium Nitrate– Thresholds – Thresholds – 5 000/10 000, 1250/5000 350/2500 10/505 000/10 000, 1250/5000 350/2500 10/50– IdentificationIdentification
CAS No – CAS No – 6484-52-2 6484-52-2 EC No – EC No – 240-827-6 240-827-6
– Hazard ClassificationHazard Classification Oxidising, decomposes at 210°C, with evolution oOxidising, decomposes at 210°C, with evolution of f toxic toxic
fumes of nitrogen oxidesfumes of nitrogen oxides, , it may explode under it may explode under confinementconfinement and high temperaturesand high temperatures, , forms heat or forms heat or shock sensitive explosiveshock sensitive explosive mixtures with a wide range of mixtures with a wide range of substances (e.g. organic fuel, powdered metals, aceticsubstances (e.g. organic fuel, powdered metals, acetic acid, sugar)acid, sugar), c, can react vigorously with reducing an react vigorously with reducing materialsmaterials, , ignites on contact with aignites on contact with a number of number of substances, for instance sodium chloride.substances, for instance sodium chloride.
– UsesUses Production of fertilisers and explosives.Production of fertilisers and explosives.
Potassium NitratePotassium Nitrate
– Threshold – Threshold – 5000/10000, 1250/50005000/10000, 1250/5000
– IdentificationIdentificationCAS No – CAS No – 7757-79-1 7757-79-1 EC No – EC No – 231-818-8 231-818-8
– Hazard ClassificationHazard ClassificationStrong oxidizerStrong oxidizer, , Harmful if swallowedHarmful if swallowed, , May May
cause reproductive disorders. cause reproductive disorders.
– UsesUsesFertilizer, Food preservation, fire stabilizer, Fertilizer, Food preservation, fire stabilizer,
heat treatment of metals, Glass industry.heat treatment of metals, Glass industry.
ChlorineChlorine– Threshold – 10/25 t.Threshold – 10/25 t.– IdentificationIdentification
CAS No – 7782-50-5CAS No – 7782-50-5 EC No – 231-959-5EC No – 231-959-5
– Hazard ClassificationHazard Classification Toxic by inhalationToxic by inhalation, , Irritating to eyes, respiratory Irritating to eyes, respiratory
system and skinsystem and skin,, Very toxic to aquatic organisms. Very toxic to aquatic organisms. – UsesUses
manufacture of synthetic rubber and plastics manufacture of synthetic rubber and plastics (polyvinyl chloride, neoprene), chlorinated (polyvinyl chloride, neoprene), chlorinated hydrocarbons, hydrogen chloride, metallic hydrocarbons, hydrogen chloride, metallic chlorides, also used for water purification, in chlorides, also used for water purification, in processing of food and in shrinkproofing wool.processing of food and in shrinkproofing wool.
BromineBromine– Threshold – 20/100 t.Threshold – 20/100 t.– IdentificationIdentification
CAS No – CAS No – 7726-95-6 7726-95-6 EC No – EC No – 231-599-9 231-599-9
– Hazard ClassificationHazard ClassificationMay be fatal if inhaled. Highly toxic by May be fatal if inhaled. Highly toxic by
inhalation, ingestion or skin contact. Causes inhalation, ingestion or skin contact. Causes severe burns. Lachrymator. severe burns. Lachrymator.
– UsesUsesFlame retardant, gasoline additive, Flame retardant, gasoline additive,
pesticide production, manufacture of pesticide production, manufacture of dyes, dyes, agrichemicals, and pharmaceuticals agrichemicals, and pharmaceuticals , , Water Water purification compounds, Disinfectants purification compounds, Disinfectants ..
Formaldehyde (conc. Formaldehyde (conc. 90 %) 90 %) – Threshold – 5/50 t.Threshold – 5/50 t.– IdentificationIdentification
CAS No: 50-00-0 CAS No: 50-00-0 EC No: 200-001-8 EC No: 200-001-8
– Hazard ClassificationHazard Classification Causes burns. Very toxic by inhalation, ingestion and Causes burns. Very toxic by inhalation, ingestion and
through skin absorption. Readily absorbed through skin. through skin absorption. Readily absorbed through skin. Probable human carcinogen. Mutagen. May cause damage Probable human carcinogen. Mutagen. May cause damage to kidneys. May cause allergic reactions. May cause to kidneys. May cause allergic reactions. May cause sensitisation. May cause heritable genetic damage. sensitisation. May cause heritable genetic damage. Lachrymator at levels from less than 20 ppm upwards. Very Lachrymator at levels from less than 20 ppm upwards. Very destructive of mucous membranes and upper respiratory destructive of mucous membranes and upper respiratory tract, eyes and skin. tract, eyes and skin.
– UsesUses Production of resins, paints, explosives, Production of resins, paints, explosives, disinfectantdisinfectantss and and
biocidebiocidess
Ethylene OxideEthylene Oxide– Threshold – 5/50 t.Threshold – 5/50 t.– IdentificationIdentification
CAS No – 75-21-8CAS No – 75-21-8EC No – 200-849-9EC No – 200-849-9
– Hazard ClassificationHazard ClassificationMay cause cancerMay cause cancer, , May cause heritable genetic May cause heritable genetic
damagedamage, Extremely flammable, , Extremely flammable, Toxic by inhalationToxic by inhalation, , Irritating to eyes, respiratory system and skin. Irritating to eyes, respiratory system and skin.
– UsesUseschemical intermediate for ethylene glycol chemical intermediate for ethylene glycol
(intermediate for the manufacture of polyester), (intermediate for the manufacture of polyester), nonionic surfactants, glycol ethers, ethanolamines, nonionic surfactants, glycol ethers, ethanolamines, triethylene glycol and polyethylene glycol, used as triethylene glycol and polyethylene glycol, used as a fumigant for foodstuffs and textiles, for sterilising a fumigant for foodstuffs and textiles, for sterilising instruments and as an agricultural fungicide.instruments and as an agricultural fungicide.
HydrogenHydrogen– Threshold – 5/50 t.Threshold – 5/50 t.– IdentificationIdentification
CAS No – 133-74-0CAS No – 133-74-0 EC No - EC No - 215-605-7 215-605-7
– Hazard ClassificationHazard Classification Extremely flammableExtremely flammable
– UsesUses Production of ammonia and methanol, hydrocracking, Production of ammonia and methanol, hydrocracking,
hydroforming and hydrofining of petroleum, hydrogenation of hydroforming and hydrofining of petroleum, hydrogenation of vegetable oils, hydrogenolysis of coal, reducing agent for vegetable oils, hydrogenolysis of coal, reducing agent for organic synthesis and metallic ores, as oxyhydrogen flame for organic synthesis and metallic ores, as oxyhydrogen flame for high temperatures, making hydrochloric and hydrobromic acids. high temperatures, making hydrochloric and hydrobromic acids. In liquid form is used as coolant and missile fuel.In liquid form is used as coolant and missile fuel.
Toluene diisocyanateToluene diisocyanate– Threshold – 10/100 t.Threshold – 10/100 t.– IdentificationIdentification
CAS No – CAS No – 91-08-791-08-7, 584-84-9, 26471-62-5, 584-84-9, 26471-62-5 EC No – 202-039-0, 209-544-5, 247-722-4EC No – 202-039-0, 209-544-5, 247-722-4
– Hazard ClassificationHazard Classification Very toxic, Very toxic, Irritating to eyes, respiratory system and Irritating to eyes, respiratory system and
skinskin, , Limited evidence of a carcinogenic effectLimited evidence of a carcinogenic effect, , May May cause sensitization by inhalation and skin contactcause sensitization by inhalation and skin contact, , Harmful to aquatic organisms, may cause long-term Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environmentadverse effects in the aquatic environment..
Explosive in the form of vapour when exposed to Explosive in the form of vapour when exposed to heat or flame, when heated to decomposition it heat or flame, when heated to decomposition it emits toxic fumes of nitrogen oxides.emits toxic fumes of nitrogen oxides.
– UsesUses manufacture of polyurethane foams, elastomers and manufacture of polyurethane foams, elastomers and
coatings. Crosslinking agent for nylon 6coatings. Crosslinking agent for nylon 6
Sulphur TrioxideSulphur Trioxide– Threshold – 15/75 t.Threshold – 15/75 t.– IdentificationIdentification
CAS No – 7446-11-9CAS No – 7446-11-9EC No – 231-197-3EC No – 231-197-3
– Hazard ClassificationHazard ClassificationOOxidising agentxidising agent, , toxic by inhalation and corrosive to toxic by inhalation and corrosive to
skin, eyes andskin, eyes and mucous membranesmucous membranes, , fire risk in fire risk in contact with organic materialscontact with organic materials, , combines with combines with water, forming sulphuric acid and evolving light and water, forming sulphuric acid and evolving light and a largea large amount of heat. Violent reactions also with amount of heat. Violent reactions also with e.g. acetonitrile, formamide, dimethyle.g. acetonitrile, formamide, dimethyl sulphoxide, sulphoxide, iodine, metal oxides.iodine, metal oxides.
– UsesUsesSulphonation of organic compounds, especially Sulphonation of organic compounds, especially
nonionic detergents, and for solar energy collectors.nonionic detergents, and for solar energy collectors.
Lead AlkylsLead Alkyls– Threshold – 5/50 t.Threshold – 5/50 t.– IdentificationIdentification
Triethyl lead, tetraethyl lead and tetramethyl Triethyl lead, tetraethyl lead and tetramethyl
leadlead
– Hazard ClassificationHazard Classificationtoxic to the central nervoustoxic to the central nervous systemsystem, , cumulative cumulative
poisonpoison,, experimental experimental teratogens and have effects teratogens and have effects
on reproductionon reproduction, , When heated to decomposition When heated to decomposition
they emit toxic lead fumes.they emit toxic lead fumes.
– UsesUsesused as octane enhancers for petrols, also in used as octane enhancers for petrols, also in
ethylation operationsethylation operations
PhosgenePhosgene– Threshold – 0,3/0,75 t.Threshold – 0,3/0,75 t.– IdentificationIdentification
CAS No – 75-44-5CAS No – 75-44-5EC No – 200-870-3EC No – 200-870-3
– Hazard ClassificationHazard ClassificationVery toxic by inhalationVery toxic by inhalation, , Causes burns.Causes burns.
– UsesUsesChemical intermediate for toluene diisocyanate, Chemical intermediate for toluene diisocyanate,
methyl isocyanate, diphenylmethane-4,4’-methyl isocyanate, diphenylmethane-4,4’-diisocyanate, chloroformate esters, diethyl diisocyanate, chloroformate esters, diethyl carbonate, dimethyl carbamoyl chloride, carbonate, dimethyl carbamoyl chloride, polymethylene polyphenylisocyanate, polymethylene polyphenylisocyanate, polycarbonate resins. Also used for manufacture polycarbonate resins. Also used for manufacture of dyes, pesticides and herbicides.of dyes, pesticides and herbicides.
Methyl IsocyanideMethyl Isocyanide– Threshold – 0,15 t.Threshold – 0,15 t.– IdentificationIdentification
CAS No – CAS No – 624-83-9624-83-9 EC No - EC No - 215-605-7 215-605-7
– Hazard ClassificationHazard ClassificationHighly flammableHighly flammable, , Harmful by inhalationHarmful by inhalation, ,
Harmful in contact with skinHarmful in contact with skin, , Harmful if Harmful if swallowed.swallowed. Reacts violently with e.g. water Reacts violently with e.g. water (polymerisation, exothermic reactions). (polymerisation, exothermic reactions). Container may explode violently in heat of fire. Container may explode violently in heat of fire. When heated to decomposition, hydrogen When heated to decomposition, hydrogen cyanide, nitrogen oxides and carbon oxides may cyanide, nitrogen oxides and carbon oxides may be produced.be produced.
– UsesUses intermediate in the manufacturing of N-intermediate in the manufacturing of N-
methylcarbonate ester and N-methylurea methylcarbonate ester and N-methylurea insecticides and herbicides.insecticides and herbicides.
Liquefied extremely flammable Liquefied extremely flammable gases (including LPG) and natural gases (including LPG) and natural
gasgas – Threshold – 50/200 t.Threshold – 50/200 t.– IdentificationIdentification
LPG: colourless flammable, noncorrosive, nontoxic gas LPG: colourless flammable, noncorrosive, nontoxic gas obtained as a by-product in petroleum refining or natural obtained as a by-product in petroleum refining or natural petroleum manufacture, e.g. butane, propane, propene petroleum manufacture, e.g. butane, propane, propene and their mixtures.and their mixtures.
Natural gas: colourless flammable, asphyxiant gas Natural gas: colourless flammable, asphyxiant gas composed of 85% methane, 10% ethane, the balance composed of 85% methane, 10% ethane, the balance being made up of propane, butane and nitrogen.being made up of propane, butane and nitrogen.
– Hazard ClassificationHazard Classification Extremely flammableExtremely flammable, , Risk of fire and explosion.Risk of fire and explosion.
– UsesUses LPG: domestic, industrial and automotive fuel, in welding, LPG: domestic, industrial and automotive fuel, in welding,
brazing and metal cutting, and as an intermediate.brazing and metal cutting, and as an intermediate. Natural gas: fuel and cooking gas, in ammonia synthesis, Natural gas: fuel and cooking gas, in ammonia synthesis,
petrochemical feedstocks, carbon black manufacture.petrochemical feedstocks, carbon black manufacture.
Petroleum products: gasolines and Petroleum products: gasolines and naphthas; kerosenes (jetnaphthas; kerosenes (jet fuels); gas oils fuels); gas oils (diesel fuels, home heating oils and gas (diesel fuels, home heating oils and gas
oil blendingoil blending streams)streams)
– Threshold – 2500/25000 t.Threshold – 2500/25000 t.
– IdentificationIdentificationComplex mixtures of hydrocarbonsComplex mixtures of hydrocarbonsConcawe Guidance NotesConcawe Guidance Notes
– Hazard ClassificationHazard ClassificationFFlammablelammable, Toxic for the environment, Toxic for the environment
– UsesUsesFuels and solventsFuels and solvents
Classification of a Seveso siteClassification of a Seveso site
For For categories of substances and preparations not categories of substances and preparations not specifically named in Part 1 specifically named in Part 1 of Annex Iof Annex I– Threshold quantities in Columns 2 Threshold quantities in Columns 2
and 3 of Part 2 of Annex Iand 3 of Part 2 of Annex I– If multiple classifications – the lowest If multiple classifications – the lowest
thresholdthreshold– If in preparationsIf in preparations
As long as the preparations posses the As long as the preparations posses the hazardous properties mentionedhazardous properties mentioned– Specific concentrationsSpecific concentrations– Generic concentrationsGeneric concentrations– CLP Directives, to be replaced by the GHS CLP Directives, to be replaced by the GHS
C&L RegulationC&L Regulation
Step 2 – Determining the threshold quantities for the Determining the threshold quantities for the dangerous substancesdangerous substances
ExamplesExamples Examples on identification of dangerous substance within the Examples on identification of dangerous substance within the
scope of Annex I scope of Annex I
Parathion-methylParathion-methyl CAS No CAS No 298-00-0298-00-0 Used as pesticideUsed as pesticide ESIS Data ESIS Data
– General classificationGeneral classification ClasslabClasslab Data Data
– specific concentration limitsspecific concentration limits IUCLID DataIUCLID Data
– LDLD5050 and LC and LC5050 data – 4 mg/kg oral toxicity data – 4 mg/kg oral toxicity
– Annex I classification – very toxic (LDAnnex I classification – very toxic (LD5050 < 25 mg/kg) < 25 mg/kg)
ESIS Data for ESIS Data for Parathion-methylParathion-methyl CAS No CAS No 298-00-0298-00-0
Classlab Data for Classlab Data for Parathion-methylParathion-methyl CAS No CAS No 298-00-0298-00-0
IUCLID Data for IUCLID Data for Parathion-methylParathion-methyl CAS No CAS No 298-00-0298-00-0
ExampleExampleParathion-methylParathion-methyl CAS No CAS No 298-00-0298-00-0
Seveso substanceSeveso substance substance not specifically named in Part 1 substance not specifically named in Part 1 of Annex Iof Annex I Very toxic – threshold quantities 5/25 tVery toxic – threshold quantities 5/25 t Specific concentration limits – classification variesSpecific concentration limits – classification varies
Concentration Classification
C ≥ 25 % T+, N; R24 -26/28 -48/22 -50-53
10 % ≤ C < 25 % T+, N; R21 -26/28 -48/22 -50-53
7 % ≤ C < 10 % T+, N; R21 -26/28 -50-53
3 % ≤ C < 7 % T, N; R21 -23/25 -50-53
1 % ≤ C < 3 % T, N; R23/25 -50-53
0,25 % ≤ C < 1 % Xn, N; R20/22 -50-53
0,1 % ≤ C < 0,25 % Xn, N; R20/22 -51-53
0,025 % ≤ C < 0,1 % N; R51-53
0,0025 % ≤ C < 0,025 % R52-53
Classification of a Seveso siteClassification of a Seveso site
For For generic substances with similar properties generic substances with similar properties Toxicity, flammability, and eco-toxicity:Toxicity, flammability, and eco-toxicity: substances and preparations named in Part 1 and classified as toxic or substances and preparations named in Part 1 and classified as toxic or
very toxic, together with substances and preparations falling into very toxic, together with substances and preparations falling into categories 1 or 2;categories 1 or 2;
substances and preparations named in Part 1 and classified as substances and preparations named in Part 1 and classified as oxidising, explosive, flammable, highly flammable, or extremely oxidising, explosive, flammable, highly flammable, or extremely flammable, together with substances and preparations falling into flammable, together with substances and preparations falling into categories 3, 4, 5, 6, 7a, 7b or 8;categories 3, 4, 5, 6, 7a, 7b or 8;
substances and preparations named in Part 1 and classified as substances and preparations named in Part 1 and classified as dangerous for the environment (R50 (including R50/53) or R51/53), dangerous for the environment (R50 (including R50/53) or R51/53), together with substances and preparations falling into categories 9(i) or together with substances and preparations falling into categories 9(i) or 9(ii);9(ii);– Classify if the Sum Classify if the Sum ΣΣ = = q1/QU1 + q2/QU2 + q3/QU3 + q4 /QU4 + q5/QU5 +... q1/QU1 + q2/QU2 + q3/QU3 + q4 /QU4 + q5/QU5 +...
≥≥ 1 1 – Q – threshold quantity for a substance, q – quantity of a substance presentQ – threshold quantity for a substance, q – quantity of a substance present
First for lower tier, if First for lower tier, if ΣΣ ≥≥1, for upper tier1, for upper tier
Step 3 – Addition ruleAddition rule
Classification of a Seveso siteClassification of a Seveso site
ExampleExample Chemical plantChemical plant Hazardous substances onsiteHazardous substances onsite
– Chlorine (Part 1 of Annex I, ), Chlorine (Part 1 of Annex I, ), R23R23 R36 R37 R38 R36 R37 R38 R50R50 – 5 t.– 5 t.– PPropylene oxideropylene oxide, , (Part 1 of Annex I, ), (Part 1 of Annex I, ), R12R12 R20 R21 R22 R20 R21 R22
R36 R37 R38 R45 R46R36 R37 R38 R45 R46 – 3 t. – 3 t.– Epichlorhydrin (generic substance) (generic substance) R10R10 R23R23//2424//2525 R34 R34
R43 R45R43 R45 – 25 t. – 25 t.– Chlorobenzene (generic substance) Chlorobenzene (generic substance) R10R10 R20 R21 R22 R20 R21 R22
R51R51//5353 100 t.100 t.– Perchloroethylene (generic substance) Perchloroethylene (generic substance) R40 R40 R51R51//5353 280 280
t.t.
Step 3 – Addition ruleAddition rule
Classification of a Seveso siteClassification of a Seveso site
Toxicity– Chlorine and Epichlorhydrin
Addition rule lower tier 5/10 + 25/50 = 1 Addition rule upper tier 5/25 + 25/200 = 0.325 < 1 The establishment is a lower tier Seveso site (for now) for toxic
substances Flammability
– Propylene oxide, Epichlorhydrin and Chlorobenzene Addition rule lower tier 3/5 + 25/5000 + 100/500 = 0.603 < 1 The establishment is not a Seveso site (for now) for flammable
substances Eco-toxicityEco-toxicity
– Chlorine, chlororbenzene and perchloroethylene Addition rule lower tier 5/10 + 100/200 + 300/200 = 2.5 Addition rule upper tier 5/25 + 100/500 + 300/500 = 1 The establishment is an upper tier Seveso site for ecotoxic
substances
The establishment is an upper tier Seveso site!
Step 3 – Addition ruleAddition rule
Classification of a Seveso siteClassification of a Seveso site
Dangerous substances present at an establishment only in
quantities equal to or less than 2 % of the relevant qualifying
quantity shall be ignored for the purposes of calculating the
total quantity present if their location within an establishment
is such that it cannot act as an initiator of a major accident
elsewhere on the site
Two qualifying criteria
– 2% of the total quantity
– Location of the substance
The 2 % Rule
Classification of a Seveso siteClassification of a Seveso site
Example 1
– Chlorine storage
– A tank of 4t and two storage areas for chlorine bottles for 0.05t
and 0.02 t respectively
– The bigger tank is in the south corner of the site
– The storage areas are adjacent to each other, but are remote
from the main tank, unable to interact
– (0.05 + 0.02)/5 = 1.4 % - less than 2%
– The establishment is not a Seveso site
The 2 % Rule - Examples
Classification of a Seveso siteClassification of a Seveso site
Example 2
– LPG storage
– A tank of 49t and two smaller tanks for 1t each
– The bigger tank is in the centre of the site
– The smaller tanks are adjacent to each other, but are remote
from the main tank, unable to interact
– (1 + 1)/50 = 4 % - more than 2%
– The establishment is a Seveso site
The 2 % Rule - Examples
Classification of a Seveso siteClassification of a Seveso site
Example 3
– LPG storage
– A tank of 49t and two smaller tanks for 1t each
– The bigger tank is in the centre of the site
– The smaller tanks are remote from each other and are remote
from the main tank, unable to interact
– For each small tank 1)/50 = 2 % - equal to 2%
– The establishment is not a Seveso site
The 2 % Rule - Examples
Bulgarian Experience in the Bulgarian Experience in the Identification of Dangerous Identification of Dangerous
SubstancesSubstances Started 1999Started 1999 Elaboration of national framework and Elaboration of national framework and
subsequent legislationsubsequent legislation– 2002 – Environmental Protection Act2002 – Environmental Protection Act
Classification of hazardous activities is a duty of the Classification of hazardous activities is a duty of the operatoroperator
– 2000 – Chemicals Act2000 – Chemicals Act Gives classification criteriaGives classification criteria
Elaboration of inventory of possible hazardous Elaboration of inventory of possible hazardous activitiesactivities– Based on inspection results, lists of controlled sites, Based on inspection results, lists of controlled sites,
feedback from industryfeedback from industry– Exclusion of establishments and activities out of the Exclusion of establishments and activities out of the
scope of the Conventionscope of the Convention
Bulgarian Experience in the Bulgarian Experience in the Identification of Dangerous Identification of Dangerous
SubstancesSubstances 2000 - 20022000 - 2002
– Seminars and workshops with the IndustrySeminars and workshops with the Industry– Result – Classification manualResult – Classification manual