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Environmental Certified Reference Materials and Proficiency Test Standards

Our wastewater standards enhance your testing accuracy and efficiency. Regular use of our certified reference materials (CRMs) and proficiency test (PT) standards ensures high data quality and supports accreditation needs.

We specialize in ISO-accredited CRMs and effluent standards that are stable and integrate seamlessly into routine workflows. Pre-measured, single-use materials help prevent errors and simplify processes. For example, try our GGA Concentrate Snips™: just snip and pour into a 300 mL BOD bottle—no measurements or contamination. Our versatile, multiparameter CRMs streamline testing procedures, reducing the need for multiple CRMs in your lab. Watch the demonstration video to learn more!

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MIC-QC5B - Quantitative Enterococcus/Fecal Strep - Blind MIC-QC5B - Quantitative Enterococcus/Fecal Strep - Blind
SKU: MIC-QC5B

MIC-QC5B - Quantitative Enterococcus/Fecal Strep - Blind

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  • Brand NSI
  • Certification Cultural based enumeration
  • Raw Material <2 passages from primary culture
Quantitative Enterococcus/Fecal Strep Quantitative Enterococcus/Fecal Strep
SKU: MIC-QC5

Quantitative Enterococcus/Fecal Strep

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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
Quantitative Fecal Coliform in Sludge Quantitative Fecal Coliform in Sludge
SKU: MIC-QC17

Quantitative Fecal Coliform in Sludge

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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
Quantitative Legionella Quantitative Legionella
SKU: MIC-QC16

Quantitative Legionella

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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
Quantitative Standard Plate Count Quantitative Standard Plate Count
SKU: MIC-QC15

Quantitative Standard Plate Count

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