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Scheduled Proficiency Testing & PT Express™ for Environmental Testing

  • Certified for environmental methods — plate counts, MPN
  • COA includes expected values for multiple methods
  • Robust — lyophilized technique ensures strong recovery, even for 44.5 ºC coliform methods
  • Unique — multi-organism CRM covers six 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 drinking water analysis to ensure environmental and human health. 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 and environmental health tool. 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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MIC-QC4B - Drinking Water Coliforms 10 Sample Set - Blind MIC-QC4B - Drinking Water Coliforms 10 Sample Set - Blind
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
MIC-QC3B - Drinking Water Standard Plate Count - Blind MIC-QC3B - Drinking Water Standard Plate Count - Blind
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
MIC-QC2B - Quantitative Coliforms/E.coli/Fecal Coliform - Blind MIC-QC2B - Quantitative Coliforms/E.coli/Fecal Coliform - Blind
SKU: MIC-QC2B

MIC-QC2B - Quantitative Coliforms/E.coli/Fecal Coliform - Blind

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  • Brand NSI
  • Certification Cultural based enumeration
  • Raw Material <2 passages from primary culture
Quantitative Coliforms/E.coli/Fecal Coliform Quantitative Coliforms/E.coli/Fecal Coliform
SKU: MIC-QC2

Quantitative Coliforms/E.coli/Fecal Coliform

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  • Brand NSI
  • Certification Cultural based enumeration
  • Raw Material <2 passages from primary culture
MIC-QC17B - Quantitative Fecal Coliform in Sludge - Blind MIC-QC17B - Quantitative Fecal Coliform in Sludge - Blind
SKU: MIC-QC17B

MIC-QC17B - Quantitative Fecal Coliform in Sludge - Blind

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  • Brand NSI
  • Certification Cultural based enumeration
  • Raw Material <2 passages from primary culture
MIC-QC16B - Quantitative Legionella - Blind MIC-QC16B - Quantitative Legionella - Blind
SKU: MIC-QC16B

MIC-QC16B - Quantitative Legionella - Blind

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  • Brand NSI
  • Certification Cultural based enumeration
  • Raw Material <2 passages from primary culture
MIC-QC15B - Quantitative Standard Plate Count - Blind MIC-QC15B - Quantitative Standard Plate Count - Blind
SKU: MIC-QC15B

MIC-QC15B - Quantitative Standard Plate Count - Blind

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  • Brand NSI
  • Certification Cultural based enumeration
  • Raw Material <2 passages from primary culture
MIC-QC14B - Drinking Water Quantitative Enterococcus - Blind MIC-QC14B - Drinking Water Quantitative Enterococcus - Blind
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
MIC-QC13B - Drinking Water Enterococci 10 Sample Set - Blind MIC-QC13B - Drinking Water Enterococci 10 Sample Set - Blind
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
Fecal Coliform in Sludge (2 pack) Fecal Coliform in Sludge (2 pack)
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
Quantitative Legionella PT Standard (2 pack) Quantitative Legionella PT Standard (2 pack)
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
Standard Plate Count Wastewater PT Sample (2 pack) Standard Plate Count Wastewater PT Sample (2 pack)
SKU: MIC-010

Standard Plate Count Wastewater PT Sample (2 pack)

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