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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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    DMRQA

    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.

    Drinking Water Standards

    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

    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/UST Standards

    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 Standards

    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.

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SKU: MIC-QC6B

MIC-QC6B - Drinking Water Quantitative Coliforms - Blind

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  • Brand NSI
  • Certification Cultural based enumeration
  • Raw Material <2 passages from primary culture
SKU: MIC-QC4B

MIC-QC4B - Drinking Water Coliforms 10 Sample Set - Blind

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  • Brand NSI
  • Certification Cultural based enumeration
  • Raw Material <2 passages from primary culture
SKU: MIC-QC3B

MIC-QC3B - Drinking Water Standard Plate Count - Blind

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  • Brand NSI
  • Certification Cultural based enumeration
  • Raw Material <2 passages from primary culture
SKU: MIC-QC14B

MIC-QC14B - Drinking Water Quantitative Enterococcus - Blind

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  • Brand NSI
  • Certification Cultural based enumeration
  • Raw Material <2 passages from primary culture
SKU: MIC-QC13B

MIC-QC13B - Drinking Water Enterococci 10 Sample Set - Blind

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  • Brand NSI
  • Certification Cultural based enumeration
  • Raw Material <2 passages from primary culture
SKU: MIC-015

Fecal Coliform in Sludge (2 pack)

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  • Brand NSI
  • Raw Material <2 passages from primary culture
  • Certification Cultural based enumeration
SKU: MIC-014

Quantitative Legionella PT Standard (2 pack)

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  • Brand NSI
  • Raw Material <2 passages from primary culture
  • Certification Cultural based enumeration
SKU: MIC-010

Standard Plate Count (2 pack)

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  • Brand NSI
  • Raw Material <2 passages from primary culture
  • Certification Cultural based enumeration
SKU: MIC-004

Enterococcus/Fecal Strep (2 pack)

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  • Brand NSI
  • Raw Material <2 passages from primary culture
  • Certification Cultural based enumeration
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