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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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EPA WS Inorganics Kit EPA WS Inorganics Kit
SKU: QCI-018K

EPA WS Inorganics Kit

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
Inorganic Disinfection By-Products Concentrate - Blind Inorganic Disinfection By-Products Concentrate - Blind
SKU: QCI-017B

Inorganic Disinfection By-Products Concentrate - Blind

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Gravimetric w/IC Confirmation
Inorganic Disinfection By-Products Concentrate CRM Inorganic Disinfection By-Products Concentrate CRM
SKU: QCI-017

Inorganic Disinfection By-Products Concentrate CRM

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Gravimetric w/IC Confirmation
Trace Metals Concentrate - Blind Trace Metals Concentrate - Blind
SKU: QCI-016B

Trace Metals Concentrate - Blind

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Gravimetric w/ICP Confirmation
Trace Metals QC Concentrate CRM Trace Metals QC Concentrate CRM
SKU: QCI-016

Trace Metals QC Concentrate CRM

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Gravimetric w/ICP Confirmation
Total Cyanide Concentrate - Blind Total Cyanide Concentrate - Blind
SKU: QCI-015B

Total Cyanide Concentrate - Blind

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  • Brand NSI
  • Certification Single: Grav. w/Analytical Confirmation
  • Raw Material >95% min; as available
Total Cyanide QC Concentrate CRM Total Cyanide QC Concentrate CRM
SKU: QCI-015

Total Cyanide QC Concentrate CRM

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  • Brand NSI
  • Certification Single: Grav. w/Analytical Confirmation
  • Raw Material >95% min; as available
Turbidity Concentrate - Blind Turbidity Concentrate - Blind
SKU: QCI-014B

Turbidity Concentrate - Blind

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
Turbidity QC Concentrate CRM Turbidity QC Concentrate CRM
SKU: QCI-014

Turbidity QC Concentrate CRM

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
TOC/DOC Concentrate - Blind TOC/DOC Concentrate - Blind
SKU: QCI-013B

TOC/DOC Concentrate - Blind

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
TOC/DOC QC Concentrate CRM TOC/DOC QC Concentrate CRM
SKU: QCI-013

TOC/DOC QC Concentrate CRM

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
Residual Free Chlorine Concentrate - Blind Residual Free Chlorine Concentrate - Blind
SKU: QCI-012B

Residual Free Chlorine Concentrate - Blind

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