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Water and Sun - Water Certification and Testing | NSF
Ensure the quality and safety of water products, services and systems with a wide range of solutions from the industry experts at NSF.

See how we can help you comply with local and national standards for quality, safety, performance, efficiency and sustainability.

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Product Certification Standards for Sensors and Other Water Quality Test Devices

Manufacturers of water quality test devices (WQTDs) can now get third-party verification of their accuracy and precision claims

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Video: Testing Capabilities at Our Water Laboratory in the UK

NSF’s laboratory in Oakdale, Wales is one of the world’s largest specialized test laboratories for water fittings.

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Five Tips for Selecting a Drinking Water Testing Device

Let our experts help you make sure the water quality testing device (WQTD) you select is the right one for your needs.

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To ensure impartiality, use of NSF management systems consulting services or attending NSF training sessions does not provide an advantage, nor is it linked in any way to the granting of certification.