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On September 15, 2022, Vietnam released the second draft of the National Technical Regulation on thresholds for Persistent Organic Pollutants in Articles, Products, Commodities and Equipment on WTO’s platform for notification and started to seek public comments. The comment date is due on November 14, 2022.
The regulation applies to organizations and individuals engaged in import, manufacture, trading, and use of articles, products, commodities and equipment containing POPs.
The table below specifies the CAS number, uses and allowed concentration limit of the regulated POPs:
| No. | POPs substances | CAS number | Uses | Concentration limit |
1 | Tetrabromodiphenyl ether and Pentabromodiphenyl ether (PBDE)* | Raw materials, materials, products and goods in the industrial sector:
1. Leather/artificial leather, polymer insulation and components electronics used in vehicles
2. Automotive interiors (molds and foam boards for auto parts, seats and dashboard)
3. Upholstery materials, furniture coatings and foam parts in polymer insulators
4. Cushioning materials, protective clothing, carpets, curtains, upholstery covers and tents
5. Construction materials: foam filters, insulating plates, insulation, plastic insulation for pipes and rigid polyurethane foam
6. Polyurethane foam for packaging | ||
| Tetrabromodiphenyl ether (C12H6Br4O) | 40088-47-9 | 10 mg/kg (0.001% by weight) for substance or mixtures | ||
| Pentabromodiphenyl ether (C12H5Br5O) | 32534-81-9 | 10 mg/kg (0.001% by weight) for substance or mixtures | ||
2 | Hexabromodiphenyl ether and heptabromodiphenyl ether (HBDE)* | Raw materials, materials, products and goods in the industrial sector:
1. Fire-retardent materials
2. Means of transport (components made of plastic or plastic insulation materials; and polyurethane foam in seats/cushions transportation facilities)
3. Polymers, especially ingredients or additives of ABS (acrylonitrile butadiene styrene) plastic | ||
| Hexabromodiphenyl ether (C12H4Br6O) | 36483-60-0 or 446255-03-4 | 10 mg/kg (0.001% by weight) for substance or mixtures | ||
| Heptabromodiphenyl ether (C12H3Br7O) | 68928-80-3 or 446255-20-5 | 10 mg/kg (0.001% by weight) for substance or mixtures | ||
3 | Decabromodiphenyl ether (DBDE)* | 1163-19-5 | Raw materials, materials, products and goods in the industrial sector:
1. Fire-retardant materials: plastics, polymers, composite materials, textiles, adhesives and coating materials
2. Plastic insulating materials in the cases of computers and television sets, wires and cables, and nonmetallic pipes
3. Additives in plastics used in home appliances (heaters, irons, fans and water heaters with coils), electrical and electronic products (computers and television sets), electric wires and cables, pipes and carpets
4. Polyurethane foam insulating materials used in construction
5. Car parts (insulators, wires and interiors) | 10 mg/kg (0.001% by weight) for substance or mixtures |
4 | Perfluorooctane sulfonic acid (PFOS) and its salts, and perfluorooctane sulfonyl fluoride (PFOSF) (C8F17SO2X) | 1763-23-1, 2795-39-3, 29457-72-5, 29081-56-9, 70225-14-8, 56773-42-3, 251099-16-8, 4151-50-2, 31506-32-8, 1691-99-2, 24448-09-7, 307-35-7, and others updated in the Stockholm Convention | Raw materials, materials, products and goods in the industrial, agricultural and medical sectors:
1. Insecticides for termites and fire ants
2. Poison baits for ants of the genera Atta and Acromyrmex
3. Additives containing PFOS
4. Firefighting foam
5. Aviation hydraulic fluids
6. Plating (hard metal plating)
7. Coated paper 8. Fiber
9. Leather and carpets
10. Rubber and plastic
11. Coatings
12. Printing inks
13. Home appliances: office electronic equipment and components, semiconductors and photographs
14. Containers and paper packaging of food | 1. 10 mg/kg (0.001% by weight) for substance or mixtures
2. 0.1% by weight for semi-finished products, raw materials, materials, products or commodities
3. < 1 μg/m2 for fiber products, coating materials or their raw materials |
5 | Hexabromocyclododecane (HBCDD) | 25637-99-4, 3194-55-6, 134237-50-6, 134237-51-7 134237-52-8 | Raw materials, materials, products and goods in the industrial sector:
1. Foam and insulation materials (polystyrene — EPS and XPS), and insulation boards used in construction or buildings
2. Plastic insulation materials in electrical and electronic equipment | 100 mg/kg (0.01% by weight) for substances or mixtures or in compounds, raw materials, materials, products or commodities |
6 | Short-chain chlorinated paraffins (SCCPs) | 85535-84-8, 68920-70-7, 71011-12-6, 85536-22-7, 85681-73-8, 108171-26-2, and others updated in the Stockholm Convention | Raw materials, materials, products and goods in the industrial sector:
1. Additives in plywood, industrial plywood, rubber, inks, coatings and adhesives
2. Surface treatment chemicals for leather tanning 3. Additives in lubricants or cutting emulsions used in metal processing 4. Components of fire-resistant coatings and waterproof coatings
5.Tubes for outdoor light decorations
6. Secondary plasticizers for polyvinyl chloride except for those used in toys or products for children. | 1. < 1% by weight for substances or mixtures
2. < 0.15% by weight for raw materials, materials, products or commodities |
7 | Perfluorooctanoic acid (PFOA) and its salts, and PFOA derivatives | 335-67-1 | Raw materials, materials, products and goods in the industrial sector:
1. Firefighting foam
2. Fire-resistant, oil-resistant, stain-resistant and waterproof materials in textiles, high-voltage cables and photographs
3. Containers and paper packaging of food
4. Materials containing polytetrafluoroetylene (PTFE) or polyvinylidenefluoride (PVDF)
5. Materials containing polyfluoroetylene propylene (FEP) used in high-voltage wires and cables for power transmission
6. Materials containing fluoroelastomers used in O-rings, V-belts and plastic car interior accessories
7. Embedded medical devices 8. Pharmaceuticals | 1. PFOA and its salts: ≤ 0.025 mg/kg (0.0000025% by weight) in substances or mixtures or in raw materials, materials, products or commodities
2. PFOA derivatives: ≤ 1 mg/kg (0.0001% by weight) for substances or mixtures or in raw materials, materials, products or commodities 3. PFOA derivatives used as additives or intermediates: ≤ 20 mg/kg (0.002% by weight) for substances or mixtures |
* When more than one of the following substances are contained, their total concentration shall not exceed 500 mg/kg: hexabromodiphenyl ether and heptabromodiphenyl ether (HBDE), tetrabromodiphenyl ether and pentabromodiphenyl ether (PBDE), decabromodiphenyl ether (DBDE).
Note: the concentration limit of the following substances shall not exceed 1000 mg/kg (0.1% by weight): polybrominated diphenyl ether group in plastic parts/ insulating plastics of electrical and electronic equipment specified in Annex 2 of the Circular Provisionally Stipulating Allowable Limit Contents of a Number of Toxic or Hazardous Chemicals in Electric or Electronic Products (Circular No. 30/2011/TT-BCT) or the EU RoHS Directive.
