Organic textile sector has a significant progress in testing for GMO cotton
A significant milestone is reached in testing for genetically modified (GMO) cotton - fourteen laboratories from China, Germany, India, the Netherlands, and Portugal have successfully passed the proficiency test. An overview of the laboratories that can currently conduct GMO testing as per the ISO IWA 32:2019 method has now been jointly published by GOTS, OCA and Textile Exchange, which constitutes an important milestone on the journey towards the widespread use of this standardized protocol.
In 2019, Global Organic Textile Standard (GOTS), the Organic Cotton Accelerator (OCA) and Textile Exchange partnered to develop the ISO IWA 32:2019 protocol to create a common language among laboratories worldwide to screen for the potential presence of genetically modified (GM) cotton along the organic cotton value chain.
Following that project, the partners set out on a new initiative to bring much-needed clarity regarding the laboratories that perform testing against the international ISO reference protocol and carry out qualitative GMO testing in cottonseed, leaf, fiber, and chemically unprocessed fiber-derived materials.
The global ISO IWA 32:2019 proficiency test initiative is a collaboration between GOTS, OCA and Textile Exchange with technical support from Wageningen Food Safety Research.
Bringing clarity on GMO testing methods for the organic cotton sector, from seed to shirt
While GMOs are excluded from organic systems, organic isn't a claim of absolute freedom from contamination or GMOs' presence in organic products2. It is a claim that GMOs are not deliberately or knowingly used and that organic producers take far-reaching steps to avoid GMO contamination along the organic cotton value chain, from farmers to spinners, to brands. To manage this, it is essential that organic cotton stakeholders can reliably test their products for the potential presence of GM cotton.
The ISO IWA 32:2019 is a globally accepted reference protocol that was developed to screen for the potential presence of genetically modified (GM) cotton. The protocol provided the organic cotton sector with an essential tool for taking all reasonable precautions to prevent GM cotton in their organic cotton produce. Since the publication of this globally accepted reference protocol, qualitative GM cotton screening as per the ISO IWA 32:2019 is mandatory within the GOTS and OCS (Organic Content Standard) supply chain and OCA’s Farmer Engagement and Development program.
The sector now recommends using the ISO IWA 32 protocol throughout the organic cotton value chain as the only recognized method for GMO testing. Therefore, the global ISO IWA 32:2019 proficiency test initiative's success is vital in building confidence among the industry.
Commenting on the global ISO IWA 32:2019 proficiency test initiative, OCA's Programme Officer, Mathilde Tournebize, said: "As a global platform, we are committed to increasing the clarity and reliability of GMO screening for the organic cotton sector. The first results of the global proficiency test initiative have given us an overview of the laboratories that can be contacted to conduct such tests. We're hopeful that as we see more laboratories implementing the ISO IWA 32:2019 worldwide, several rounds of proficiency tests will help us all chart the labs that can be contacted to reliably conduct GMO tests. We are proud to be working in partnership with both GOTS and Textile Exchange as we are united in our belief that this proficiency test will contribute to standardising GMO testing along the organic cotton value chain. Our ambition is to reach out to more laboratories and geographies to increase the widespread use of the ISO IWA 32:2019 protocol."
Rahul Bhajekar, Managing Director at GOTS, added: "I am glad to see a high level of interest from laboratories across the world and results showing competence from producing and buying countries. We shall continue to further advance this collaboration with like-minded organisations to further develop the standardisation of GMO testing in cotton fibre products. We remain committed to ensuring that GOTS goods are free from GMOs."
Amish Gosai, South Asia Manager at Textile Exchange, said: "The success of standardized testing methods depends on adaptability and uniformed results. Labs achieving a successful outcome in the proficiency test indicates both lab performance and the effectiveness of this method. We are glad to see that this initiative shows that the global ISO IWA 32 testing method gives consistent outcomes, and we look forward to more labs joining the next round of the proficiency test."
A first step into unifying the sector on GMO screening
The ISO IWA 32:2019 proficiency test initiative will not cease with the current laboratories; the joint initiative will be repeated regularly. More laboratories are welcome to apply for the next round of proficiency test, which will be organized, once sufficient demand has been reached.
The ISO IWA 32 protocol is also currently in the process of being converted to an International Standard by the ISO TC 34 / SC 16 / JWG 12 'Molecular biomarkers of agricultural fibres'. GOTS, OCA and Textile Exchange are participating in the working group to ensure that the organic cotton sector interests are represented.
For more information about the global ISO IWA 32:2019 proficiency test initiative, please see below.
Disclaimer: This proficiency test has been organized to obtain a one-off overview of the laboratories that can currently conduct GMO testing as per the ISO IWA 32:2019 protocol. The participating laboratories have been invited based on existing collaborations with the Global Organic Textile Standard, the Organic Cotton Accelerator and Textile Exchange and/or that of their partners, to the best of their knowledge. The results have been made publicly available for informational purpose only. No radical business decision should be made from the results of this proficiency test regarding the current or future cooperation with laboratories that did not participate or do not appear in the overview of laboratories that succeeded in the proficiency test.
About Organic Cotton Accelerator
The Organic Cotton Accelerator (OCA) is a multi-stakeholder organisation dedicated to organic cotton. As a global platform, we are committed to bringing integrity, supply security and measurable social and environmental impact to organic cotton. Since our establishment in 2016, with founding partners Laudes Foundation, H&M, Kering, Eileen Fisher, Textile Exchange, Tchibo, Inditex and C&A, OCA has been committed to convening the sector around a common agenda and using our platform's collective investments to act as a catalyst for change.
About Textile Exchange
Textile Exchange is a global non-profit that creates leaders in the sustainable fiber and materials industry. The organization develops, manages, and promotes a suite of leading industry standards as well as collects and publishes vital industry data and insights that enable brands and retailers to measure, manage, and track their use of preferred fiber and materials. With a membership that represents leading brands, retailers, and suppliers, Textile Exchange has, for years, been positively impacting climate through accelerating the use of preferred fibers across the global textile industry and is now making it an imperative goal through its 2030 Strategy: Climate+. Under the Climate+ strategic direction, Textile Exchange will be the driving force for urgent climate action with a goal of 45% reduced CO2 emissions from textile fiber and material production by 2030.
About Global Organic Textile Standards
GOTS is the stringent voluntary global standard for the entire post-harvest processing (including spinning, knitting, weaving, dyeing and manufacturing) of apparel and home textiles made with certified organic fibre (such as organic cotton and organic wool), and includes both environmental and social criteria. Key provisions include a ban on the use of genetically modified organisms (GMOs), highly hazardous chemicals (such as azo dyes and formaldehyde), and child labour, while requiring strong social compliance management systems and strict wastewater treatment practices. GOTS was developed by leading international standard setters - Organic Trade Association (U.S.), Japan Organic Cotton Association, International Association Natural Textile Industry (Germany), and Soil Association (U.K.) to define globally recognised requirements that ensure the organic status of textiles, from field to finished product. GOTS is a non-profit organisation which is self-financed.
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