This is where we answer the big questions. Are outputs safer? Are water and air really cleaner? We find out by measuring indicators like wastewater quality, sludge quality, or air emissions. Outputs help us validate the good work that's being done with inputs and processes.
Version 1.1
These Guidelines standardise wastewater testing requirements in the global apparel, textile and footwear supply chain. They define the standard for wastewater discharge and sludge quality. The input of key stakeholders was used in their creation, adding to their credibility. Leading brands, suppliers, academia, laboratories and tech companies were all part of this industry breakthrough.
(SAP) Version 1.1
This document is a key support for implementing the ZDHC Wastewater Guidelines. It provides ZDHC Accepted Laboratories with a set of requirements. Those requirements guide labs as they sample and test to determine the concentration of parameters in wastewater and sludge. We want to achieve the integrity and comparability of wastewater and sludge test data. The implementation of the SAP helps us to do that.
(EDR) Version 1.0
The EDR gives directives to ZDHC Accepted Laboratories on submitting test data to the ZDHC Gateway - Wastewater Module. It explains the standardised way in which data should be submitted to the Gateway platform. By showing these laboratories what data we expect them to upload, it increases the consistency and comparability of test data on the platform.
Laboratories must meet ZDHC’s minimum acceptance criteria. This is crucial to sample and analyse based on the ZDHC Wastewater Guidelines, and to submit test data to the ZDHC Gateway - Wastewater Module. For consistent data quality, insight is needed on the personnel, equipment and processes being used. With that in mind, the ZDHC Laboratory Acceptance Programme was created.
To account for the environmental impact of raw materials, we have expanded the scope of our work to cover fibre production. We create unified criteria for the measurement of output indicators such as wastewater, sludge and air emissions during fibre production. By assessing outputs in this way, we can verify the work done to improve inputs and processes.
This document, which is purely informational, was gifted to ZDHC in 2018. It provides helpful knowledge for decision-makers and managers at wet processing facilities. The document's main purpose is to provide a technical overview of wastewater treatment processes. Wastewater treatment is a complex process and treatment solutions may vary from plant-to-plant. Therefore additional (bespoke) guidance, and resources such as regional training programs are needed.
This portal provides a global picture of performance with regard to the ZDHC Wastewater Guidelines. In this international supply chain overview, a map highlights where manufacturing facilities meet the requirements of the Wastewater Guidelines. Where requirements are not met, it shows if corrective action has been put in place.
Test wastewater once - share results simultaneously
The ZDHC Gateway - Wastewater Module saves time and supports transparency throughout the value chain. Manufacturing facilities can test wastewater once and share the results simultaneously with all clients. Suppliers are assessed against uniform standards like the ZDHC Wastewater Guidelines. They can show their performance and take corrective action if needed.
Brands also benefit. They can see test results from multiple suppliers - on one single platform. There are exciting future possibilities too, like the potential to link to other business analytics platforms for fuller performance analyses.