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  • 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 (MIC-UNV-10)

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Wastewater

Manufactured from the highest purity water and analytically verified neat source materials. Our certified reference materials are ISO 17034 accredited.

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Trace Metals QC Concentrate CRM Trace Metals QC Concentrate CRM
SKU: QCI-034

Trace Metals QC Concentrate CRM

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Gravimetric w/ICP Confirmation
Total Residual Chlorine Concentrate - Blind Total Residual Chlorine Concentrate - Blind
SKU: QCI-033B

Total Residual Chlorine Concentrate - Blind

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
Total Residual Chlorine QC Concentrate CRM Total Residual Chlorine QC Concentrate CRM
SKU: QCI-033

Total Residual Chlorine QC Concentrate CRM

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
Total Phenolics Concentrate - Blind Total Phenolics Concentrate - Blind
SKU: QCI-032B

Total Phenolics Concentrate - Blind

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
Total Phenolics QC Concentrate CRM Total Phenolics QC Concentrate CRM
SKU: QCI-032

Total Phenolics QC Concentrate CRM

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
Amenable and Total Cyanide Concentrate - Blind Amenable and Total Cyanide Concentrate - Blind
SKU: QCI-031B

Amenable and Total Cyanide Concentrate - Blind

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  • Brand NSI
  • Concentration 0.1 - 1 mg/L
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
Amenable and Total Cyanide QC Concentrate Amenable and Total Cyanide QC Concentrate
SKU: QCI-031

Amenable and Total Cyanide QC Concentrate

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  • Brand NSI
  • Certification Single: Grav. w/Analytical Confirmation
  • Concentration 0.1 - 1 mg/L
  • Raw Material >95% min; as available
Oil & Grease Concentrate - Blind Oil & Grease Concentrate - Blind
SKU: QCI-029B

Oil & Grease Concentrate - Blind

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Gravimetric and/or Volumetric
Oil & Grease QC Concentrate CRM Oil & Grease QC Concentrate CRM
SKU: QCI-029

Oil & Grease QC Concentrate CRM

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
Demand Concentrate - Blind Demand Concentrate - Blind
SKU: QCI-026B

Demand Concentrate - Blind

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Gravimetric w/IC Confirmation
Demand QC Concentrate Demand QC Concentrate
SKU: QCI-026

Demand QC Concentrate

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  • Brand NSI
  • Certification Single: Gravimetric w/IC Confirmation
  • Raw Material >95% min; as available
Full NELAC WS Inorganics Kit Full NELAC WS Inorganics Kit
SKU: QCI-019K

Full NELAC WS Inorganics Kit

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
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