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	USDA Organic United States · Tier 1 Gold	Tún (Iceland) Iceland · Tier 1 Gold	SisOrg — Produto Orgânico Brasil Brazil · Tier 1 Gold	Global Organic Textile Standard Global · Tier 2 Trusted
What it means	The US Department of Agriculture's national organic standard. The green-and-white seal is the legal mark for any food sold as 'organic' in the United States.	Vottunarstofan Tún is Iceland's only accredited organic certifier. Accredited by MAST (Matvælastofnun) under the EU 2018/848-equivalent Icelandic standard, so a Tún-certified product is also recognised as EU-organic.	Brazil's national organic mark under the Sistema Brasileiro de Avaliação da Conformidade Orgânica, administered by MAPA. Required on any food sold as 'orgânico' in Brazil.	The strictest, most widely-recognised standard for organic textiles. Covers the full supply chain from organic fibre to finished garment, with environmental AND social criteria.
Scope	Food	Food	Food	Textiles
Established	2002	1994	2009	2002
Inspection	Annual on-site by USDA-accredited certifier	Annual on-site, MAST-accredited	Annual on-site, MAPA-accredited	Annual on-site, IOAS-accredited
Residue testing	Required on ≥5% of operations annually	Required for at-risk operations	Required for export	Required for finished products
Guarantees	At least 95% of ingredients are certified organic (the '100% Organic' variant requires every ingredient). No synthetic pesticides, no synthetic fertilizers, no GMOs, no sewage sludge, no irradiation. Annual on-site inspection by a USDA-accredited certifier. Residue testing on at least 5% of certified operations each year.	≥95% organic ingredients per EU rules. No synthetic pesticides, no GMOs. Annual on-site inspection. Animal welfare standards (outdoor / pasture access, geothermally-warmed greenhouse compatibility for vegetables).	≥95% organic ingredients per Brazilian Organic Law 10.831/2003. Annual on-site inspection by MAPA-accredited certifier OR a participatory-guarantee group (OPAC). Two valid pathways: third-party certification OR a peer-reviewed OPAC system.	≥70% certified-organic natural fibre (the 'organic' grade requires ≥95%). Restricted dyes, no chlorine bleach, no formaldehyde, no banned heavy metals. Wastewater treatment requirements. Social standards based on ILO core conventions (no child labour, no forced labour, fair wages, safe workplace). Annual on-site inspection by IOAS-accredited certifier.
Does NOT	Doesn't certify nutrition, taste, or animal welfare specifically (separate marks like AWA cover welfare). Doesn't guarantee local production — a 'USDA Organic' product can be grown anywhere with an accredited inspector.	There aren't many Tún-certified operations (~120–160) — coverage in the Icelandic market is narrower than in the EU mainland.	OPAC (peer-review) certified products are valid in Brazil but typically not accepted for export — exporters need third-party (e.g. IBD).	Doesn't cover non-textile components (zips, buttons, prints) beyond the chemical-restriction list.

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