Environmental
Scheduled Proficiency Testing & PT Express™ for Environmental Testing
- Certified for environmental methods - plate counts, MPN
- COA includes expected value for multiple methods
- Robust - lyophilized technique ensures strong recovery even for 44.5 ºC coliform methods
- Unique - multi-organism CRM covers 6 methods in a single pellet
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The Discharge Monitoring Report-Quality Assurance Study Program (DMRQA) plays a critical role in monitoring compliance with environmental regulations, ensuring the accuracy of data, identifying trends and patterns, and promoting transparency and accountability in environmental management.
NSI offers a wide range of Certified Reference Materials (CRMs) for testing applications for your drinking water analysis to ensure environmental and human health. Some of our offerings include testing standards for pH, residual free chlorine, turbidity, trace metals, mercury, fluoride, and nitrite.
Legionella certified reference materials are crucial for ensuring the accuracy and reliability of testing methods used to detect the presence of Legionella bacteria in water systems.
Soil and Underground Storage Tank (UST) standards are fundamental regulations established to preserve the environment and human health from hazards associated with underground storage tanks.
Wastewater analysis is a powerful public & environmental health tool. That's why we are laser-focused on manufacturing and delivering unique ISO accredited Certified Reference Materials (CRMs) that are not only stable, but also easy to use and implement.