Stockholm Convention on Persistent Organic Pollutants
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Stockholm Convention on Persistent Organic Pollutants is an international environmental treaty, signed in 2001 and effective from May 2004, that aims to eliminate or restrict the production and use of persistent organic pollutants (POPs).
Contents
History
In 1995, the Governing Council of the United Nations Environment Programme (UNEP) called for global action to be taken on POPs, which it defined as "chemical substances that persist in the environment, bio-accumulate through the food web, and pose a risk of causing adverse effects to human health and the environment".
Following this, the Intergovernmental Forum on Chemical Safety (IFCS) and the International Programme on Chemical Safety (IPCS) prepared an assessment of the 12 worst offenders, known as the dirty dozen.
The INC met five times between June 1998 and December 2000 to elaborate the convention, and delegates adopted the Stockholm Convention on POPs at the Conference of the Plenipotentiaries convened from 22–23 May 2001 in Stockholm, Sweden.
The negotiations for the Convention were completed on 23 May 2001 in Stockholm. The convention entered into force on 17 May 2004 with ratification by an initial 128 parties and 151 signatories. Co-signatories agree to outlaw nine of the dirty dozen chemicals, limit the use of DDT to malaria control, and curtail inadvertent production of dioxins and furans.
Parties to the convention have agreed to a process by which persistent toxic compounds can be reviewed and added to the convention, if they meet certain criteria for persistence and transboundary threat. The first set of new chemicals to be added to the Convention were agreed at a conference in Geneva on 8 May 2009.
As of March 2016, there are 181 parties to the Convention, (180 states and the European Union). Notable non-ratifying states include the United States, Israel, Malaysia, and Italy.
The Stockholm Convention was adopted to EU legislation in REGULATION (EC) No 850/2004.[1]
Summary of provisions
Key elements of the Convention include the requirement that developed countries provide new and additional financial resources and measures to eliminate production and use of intentionally produced POPs, eliminate unintentionally produced POPs where feasible, and manage and dispose of POPs wastes in an environmentally sound manner. Precaution is exercised throughout the Stockholm Convention, with specific references in the preamble, the objective, and the provision on identifying new POPs.
Persistent Organic Pollutants Review Committee
When adopting the Convention, provision was made for a procedure to identify additional POPs and the criteria to be considered in doing so. At the first meeting of the Conference of the Parties (COP1), held in Punta del Este, Uruguay from 2–6 May 2005, the POPRC was established to consider additional candidates nominated for listing under the Convention.
The Committee is composed of 31 experts nominated by parties from the five United Nations regional groups and reviews nominated chemicals in three stages. The Committee first determines whether the substance fulfills POP screening criteria detailed in Annex D of the Convention, relating to its persistence, bioaccumulation, potential for long-range environmental transport (LRET), and toxicity. If a substance is deemed to fulfill these requirements, the Committee then drafts a risk profile according to Annex E to evaluate whether the substance is likely, as a result of its LRET, to lead to significant adverse human health and/or environmental effects and therefore warrants global action. Finally, if the POPRC finds that global action is warranted, it develops a risk management evaluation, according to Annex F, reflecting socioeconomic considerations associated with possible control measures. Based on this, the POPRC decides to recommend that the COP list the substance under one or more of the annexes to the Convention. The POPRC has met annually in Geneva, Switzerland since its establishment.
The seventh meeting of the Persistent Organic Pollutants Review Committee (POPRC-7) of the Stockholm Convention on Persistent Organic Pollutants (POPs) took place from 10–14 October 2011 in Geneva, Switzerland. POPRC-8 was held from 15–19 October 2012 in Geneva, POPRC-9 was held from 14–18 October 2013 in Rome, POPRC-10 was held from 26–30 October 2014 in Rome, POPRC-11 was held from 19–23 October 2015 in Rome and POPRC-12 was held from 19–23 September 2016, also in Rome.
Listed substances
There were initially twelve distinct chemicals listed in three categories. Two chemicals, hexachlorobenzene and polychlorinated biphenyls, were listed in both categories A and C.[2]
| Annex | Name | CAS Number | Exemptions |
|---|---|---|---|
| A. Elimination | Aldrin | 309-00-2 | Production none Use as a local ectoparasiticide and insecticide |
| A. Elimination | Chlordane | 57-74-9 | Production by registered parties Use as a local ectoparasiticide, insecticide, termiticide (including in buildings, dams and roads) and as an additive in plywood adhesives |
| A. Elimination | Dieldrin | 60-57-1 | Production none Use in agricultural operations |
| A. Elimination | Endrin | 72-20-8 | None |
| A. Elimination | Heptachlor | 76-44-8 | Production none Use as a termiticide (including in the structure of houses and underground), for organic treatment and in underground cable boxes |
| A. Elimination | Hexachlorobenzene | 118-74-1 | Production by registered parties Use as a chemical intermediate and a solvent for pesticides |
| A. Elimination | Mirex | 2385-85-5 | Production by registered parties Use as a termiticide |
| A. Elimination | Toxaphene | 8001-35-2 | None |
| A. Elimination | Polychlorinated biphenyls (PCBs) | various | Production none Use in accordance with part II of Annex A |
| B. Restriction | DDT | 50-29-3 | Disease vector control in accordance with Part II of Annex B Production and use as an intermediate in the production of dicofol and other compounds |
| C. Unintentional Production | Polychlorinated dibenzo-p-dioxins ("dioxins") and polychlorinated dibenzofurans | various | |
| C. Unintentional Production | Polychlorinated biphenyls (PCBs) | various | |
| C. Unintentional Production | Hexachlorobenzene | 118-74-1 |
- Added by the Fourth Conference of Parties, May 2009
- These modifications has come into force on 26 August 2010, except for countries that submit a notification pursuant to the provisions of paragraph 3(b) of Article 22.[3]
| Annex | Name | CAS Number | Exemptions |
|---|---|---|---|
| A. Elimination | α-Hexachlorocyclohexane | 319-84-6 | None |
| A. Elimination | β-Hexachlorocyclohexane | 319-85-7 | None |
| A. Elimination | Chlordecone | 143-50-0 | None |
| A. Elimination | Hexabromobiphenyl | 36355-01-8 | None |
| A. Elimination | Hexabromodiphenyl ether and heptabromodiphenyl ether |
various | Production none Use recycling and reuse of articles containing these compounds |
| A. Elimination | Lindane (gamma-hexachlorocyclohexane ) | 58-89-9 | Production none Use Human health pharmaceutical for control of head lice and scabies as second line treatment |
| A. Elimination & C. Unintentional Production | Pentachlorobenzene | 608-93-5 | None |
| A. Elimination | Tetrabromodiphenyl ether and pentabromodiphenyl ether |
various | Production none Use recycling and reuse of articles containing these compounds |
| B. Restriction | Perfluorooctanesulfonic acid (PFOS), its salts and perfluorooctanesulfonyl fluoride (PFOSF) | various | Production for permitted uses Use various uses specified in part III of Annex B |
- Added by the Fifth Conference of Parties, May 2011
| Annex | Name | CAS Number | Exemptions |
|---|---|---|---|
| A. Elimination | Endosulfan | 115-29-7 959-98-8 33213-65-9 |
Production As allowed for the parties listed in the Register of specific exemptions Use Crop-pest complexes as listed in accordance with the provisions of part VI of Annex A. |
- Added by the Sixth Conference of Parties, April–May 2013
- These modifications has come into force on 26 November 2014, except for countries that submit a notification pursuant to the provisions of paragraph 3(b) of Article 22.[4]
| Annex | Name | CAS Number | Exemptions |
|---|---|---|---|
| A. Elimination | Hexabromocyclododecane | 25637-99-4 3194-55-6 134237-50-6 134237-51-7 134237-52-8 |
Production As allowed for the parties listed in the Register in accordance with the provisions of Part VII of this Annex Use Expanded polystyrene and extruded polystyrene in buildings in accordance with the provisions of Part VII of this Annex.[5] |
| Annex | Name | CAS Number | Exemptions |
|---|---|---|---|
| A. Elimination | Hexachlorobutadiene | 87-68-3 | None |
| A. Elimination | Polychlorinated naphthalenes | Intermediates in the production of polyfluorinated naphthalenes, including octafluoronaphthalene | |
| A. Elimination | Pentachlorophenol, and its salts and esters | Production: in accordance with the provisions of Part VIII of this Annex Use: Utility poles and cross-arms in accordance with the provisions of Part VIII of this Annex |
Chemicals newly proposed for inclusion in Annexes A,B,C
POPRC-7 considered three proposals for listing in Annexes A, B and/or C of the Convention: chlorinated naphthalenes (CNs), hexachlorobutadiene (HCBD) and pentachlorophenol (PCP), its salts and esters. The proposal is the first stage of the POPRC's work in assessing a substance, and requires the POPRC to assess whether the proposed chemical satisfies the criteria in Annex D of the Convention. The criteria for forwarding a proposed chemical to the risk profile preparation stage are persistence, bioaccumulation, potential for long-range environmental transport (LRET), and adverse effects.
POPRC-8 proposed hexabromocyclododecane for listing in Annex A, with specific exemptions for production and use in expanded polystyrene and extruded polystyrene in buildings. This proposal was agreed at the sixth Conference of Parties on 28 April-10 May 2013.[8][9]
POPRC-9 proposed di-,tri-,tetra-,penta-,hexa-, hepta- and octa-chlorinated napthalenes, and hexachlorobutadiene for listing in Annexes A and C. It also set up further work on pentachlorophenol, its salts and esters, and decabromodiphenyl ether, perfluorooctanesulfonic acid, its salts and perfluorooctane sulfonyl chloride.[10]
Controversies
Although some critics have alleged that the treaty is responsible for the continuing death toll from malaria, in reality the treaty specifically permits the public health use of DDT for the control of mosquitoes (the malaria vector).[11][12][13][14] There are also ways to prevent high amounts of DDT consumed by using other malaria vectors such as window screens. As long as there are specific measures taken, such as use of DDT indoors, then the limited amount of DDT can be used in a regulated fashion.[15] From a developing country perspective, a lack of data and information about the sources, releases, and environmental levels of POPs hampers negotiations on specific compounds, and indicates a strong need for research.[16][17]
Another controversy would be certain POPs (which are continually active, specifically in the Arctic Biota) that were mentioned in the Stockholm Convention, but were not part of the Dirty Dozen such as Perfluorooctone sulfonates (PFOs).[18] PFOs have many general uses such as stain repellents but have many properties which can make it a dangerous due to the fact that that PFOs can be highly resistant to environmental breakdown. PFOs can be toxic in terms of increased offspring death, decrease in body weight, and the disruption of neurological systems. What makes this compound controversial is the economic and political impact it can have among various countries and businesses.[19]
Related conventions and other ongoing negotiations regarding pollution
- Rotterdam Convention on the Prior Informed Consent Procedure for Certain Hazardous Chemicals and Pesticides in International Trade
- Convention on Long-Range Transboundary Air Pollution (CLRTAP)
- Basel Convention on the Control of Transboundary Movements of Hazardous Wastes and their Disposal
Ongoing negotiations
- Intergovernmental Negotiating Committee's work towards a Legally Binding Instrument on Mercury
- Can be effectively addressed cross governmental scale by:
- Having a clearly defined global goal to the standards of mercury
- all governments must tackle the issue following along the same lines
- and implementing capacity levels for buildings on the mercury emission use[20]
- Can be effectively addressed cross governmental scale by:
- Intergovernmental Forum on Chemical Safety (IFCS)
- Strategic Approach to International Chemicals Management (SAICM)
References
Further reading
- Chasek, Pam, David L. Downie, and J.W. Brown (2013). Global Environmental Politics, 6th Edition, Boulder: Westview Press.
- Downie, David (2003). "Global POPs Policy: The 2001 Stockholm Convention on Persistent Organic Pollutants", in D. Downie and T. Fenge (ed.) Northern Lights against POPs: Combating Toxic Threats in the Arctic, Montreal: McGill-Queens University Press.
- Downie, David and Terry Fenge (2003). Northern Lights against POPs: Combating Toxic Threats in the Arctic, Montreal: McGill-Queens University Press.
- Downie, D., Krueger, J. and Selin, H. (2005). "Global Policy for Toxic Chemicals", in R. Axelrod, D. Downie and N. Vig (eds.) The Global Environment: Institutions, Law & Policy, 2nd Edition, Washington: CQ Press.
- Downie, David and Jessica Templeton (2013). "Persistent Organic Pollutants." The Routledge Handbook of Global Environmental Politics. New York: Routledge.
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- Selin, H. (2010). Global Governance of Hazardous Chemicals: Challenges of Multilevel Management, Cambridge: The MIT Press.
External links
- Stockholm Convention Secretariat
- Text of the Convention
- Ratifications
- Earth Negotiation Bulletin coverage of Stockholm Convention Meetings
- Introduction to the POPs Convention
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