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Thailand - Final Regulatory Action
PFOA, its salts and PFOA-related compounds CAS number:
2395-00-8, 3108-24-5, 335-66-0, 335-67-1, 335-93-3, 335-95-5, 376-27-2, 3825-26-1, 45285-51-6, 90480-56-1
Date circular:
12/06/2023

Chemical name: 1-Octanoic acid, 2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-pentadecafluoro- PFOA, its salts and esters, and PFOA-related substances, 1-Octanoic acid, 2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-pentadecafluoro-, and its salts and esters

Final regulatory action has been taken for the category: Industrial

Final regulatory action: The chemical is Severely Restricted

Use or uses prohibited by the final regulatory action:

All uses except for some specific uses that are allowed under the Stockholm Convention.

Use or uses that remain allowed:

Photolithography or etch processes in semiconductor manufacturing.
Photographic coatings applied to films.
Textiles for oil and water repellency for the protection of workers from dangerous liquids that comprise risks to their health and safety.
Fire-fighting foam for liquid fuel vapour suppression and liquid fuel fires (Class B fires) in installed systems, including both mobile and fixed systems.
Manufacture of polytetrafluoroethylene (PTFE) and polyvinylidene fluoride (PVDF) for the production of:
oHigh-performance, corrosion-resistant gas filter membranes, water filter membranes and membranes for medical textiles.
oIndustrial waste heat exchanger equipment.
oIndustrial sealants capable of preventing leakage of volatile organic compounds and PM2.5 particulates.
Manufacture of polyfluoroethylene propylene (FEP) for the production of high-voltage electrical wire and cables for power transmission.
Manufacture of fluoroelastomers for the production of O-rings, v-belts and plastic accessories for car interiors.

The final regulatory action was based on a risk or hazard evaluation: Yes

Summary of the final regulatory action:

Perfluorooctanoic acid (PFOA), its salts and PFOA-related compounds (8 substances with CAS numbers: 335-67-1; 3825-26-1; 335-95-5; 2395-00-8; 335-93-3; 335-66-0; 376-27-2 and 3108-2 4 -5) were classified as Category 4 Hazardous Substances, of which the production, import, export, transit or having in possession are prohibited, except for some specific uses that are allowed under the Stockholm Convention. Such allowable uses were classified as Category 3 Hazardous Substances, of which the production, import, export, transit or having in possession require registration and licensing from the Department of Industrial Works.

The reasons for the final regulatory action were relevant to: Human health and environment

Summary of known hazards and risks to human health:

Relevant information from the Risk Profile document (UNEP/POPS/POPRC.12/11/Add.2), prepared by the POPRC under the Stockholm Convention was used during the national regulation process.

Expected effect of the final regulatory action in relation to human health:

Protecting human health and complying with the obligations under the Stockholm Convention.

Summary of known hazards and risks to the environment:

Relevant information from the Risk Profile document (UNEP/POPS/POPRC.12/11/Add.2), prepared by the POPRC under the Stockholm Convention was used during the national regulation process.

Expected effect of the final regulatory action in relation to the environment:

Protecting the environment and complying with the obligations under the Stockholm Convention.

Date of entry into force of the final regulatory action: 22/12/2022