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Zero Discharge of Hazardous Chemicals (ZDHC) Certification and Testing Programs

We can help textile and leather companies manage their supply chain to reduce the amount of hazardous chemicals that are discharged into water waste. This is done in compliance with the ZDHC program, which supports the implementation of best practices to protect the environment.

Close-up of person testing water sample.

Wastewater testing in the textile industry

The textile and leather industries are under increasing pressure to minimize their impact on the environment and improve the sustainability of supply chains. The use of hazardous chemicals in the manufacturing process that can be discharged into waste water is under particular scrutiny. Numerous initiatives have emerged to address this issue, the most comprehensive being the ZDHC Program. The program supports the implementation of sustainable chemistry and best practices in the textile, leather and footwear industries to protect consumers, workers and the environment.

An extensive ZDHC certification program

As an official solutions provider to the ZDHC Program, we can provide certification of compliance to the ZDHC Program’s Manufacturing Restricted Substances List (MSRL) as well as testing, training and on-site assessment services to help reduce the discharge of hazardous chemicals into wastewater. These comprehensive and customizable services, which are based on ZDHC and priority chemical substance groups, include:

  • Wastewater testing – UL Solutions laboratories have been granted acceptance for testing in connection with the ZDHC Gateway – Wastewater module. Our analytical instrumentation and benchmarked limits of detection can be based on your specific needs.
  • Wastewater sampling and pre-sampling coordination
  • Posting of test results to public platforms including preparation, data input and data verification.
  • On-site assessments that cover management systems, chemicals and hazardous substances, water use, quality and monitoring, wastewater treatment and emergency responsiveness, as well as supply chain training and education.
  • Compliance certification to ZDHC MRSL Level 1, which requires a third-party documentation review (formulation disclosure, MSDS (safety data sheets), chemical inventory, test reports, etc.) to ensure the data meets requirements. If there is a lack of data, we can perform Verification testing.

While it is easy to sign on to an initiative or to independently commit to change, it takes adjustments at the agricultural, processing and production level for a brand to make good on its promise. UL Solutions offers this advice to brands and retailers:

Step 1: Determine the goals of your detox program, including establishing a clear list of chemicals to phase out with ambitious deadlines.

Step 2: Communicate your intentions to your supply chain and discuss how you and the suppliers can work together to achieve your goals.

Step 3: Train your supply chain factory managers. Ask them to attend a ZDHC or another chemical management workshop.

Step 4: Stick to your deadlines and commitments.

Contact us to learn more about how UL Solutions organizes private ZDHC training sessions for you and your suppliers.

ZDHC certification benefits

Our team is committed to helping you gain greater control and visibility over your supply chain by offering a full-range of sustainable chemistry and supply chain management services. We will help you integrate several ZDHC initiatives into your supply chain by providing comprehensive training on common textile production processes and guidance on the requirements of the Manufacturing Restricted Substances List (MRSL).

With so many resources at our fingertips, we can also offer a complete range of employee education services. Our experts can customize your training courses, including interactive exercises and case studies, and deliver them in multiple languages around the world.

UL Solutions helps with ZDHC compliance

As a ZDHC MRSL Conformance accepted certification body, we can help you protect and advance by managing the amount of harmful wastewater that is discharged into surrounding ecosystems and communities — minimizing your risk.

Backed by our independent rigor and integrity, working with us will also enable you to demonstrate your commitment to environmental stewardship by complying with the appropriate safety regulations, including Greenpeace’s global Detox campaign. By signaling a willingness to invest in the future through sustainable and ethnical practices, you will be differentiating yourself in a competitive green marketplace.

UL Solutions and ADEC Innovations Join Forces for Chemical Management in Fashion

UL Solutions partners with ADEC Innovations, the technology provider behind the supply chain software as a service (SaaS) platform CleanChain, to enhance chemical management across global supply chains in alignment with the Zero Discharge of Hazardous Chemicals (ZDHC) initiative for the apparel, footwear and accessories industry. With this partnership, CleanChain platform seamlessly integrates into UL Solutions services, offering a cohesive and data-driven solution for chemical management across the entire supply chain providing greater visibility into chemical inventories, managing chemicals hazardous to human health and the environment, and driving continuous improvement in sustainability performance. The bundled solution includes official ZDHC trainings for the value chain, wastewater testing and reporting, MRSL certification and monthly ZDHC Performance InCheck reports generation.

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