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Proficiency Testing

We offer Proficiency Testing products for a variety of testing schemes for both quantitative and qualitative test performance.
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Microorganism

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SKU: PEO-098

Organic Disinfection By-Products Drinking Water Organic Standard (2 pack)

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  • Brand NSI
  • Matrix MTBE
  • Certification Single: Grav. w/Analytical Confirmation
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SKU: PEO-097

Diquat/Endothall/Glyphosate/Paraquat Drinking Water Organic Standard (2 pack)

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  • Brand NSI
  • Certification Single: Grav. w/Analytical Confirmation
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SKU: PEO-094

Herbicides Wastewater PT Standard (2 pack)

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  • Brand NSI
  • Matrix Methyl tert-butyl ether
  • Certification Single: Grav. w/Analytical Confirmation
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SKU: PEO-093

Toxaphene Wastewater PT Standard (2 pack)

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  • Brand NSI
  • Matrix Acetone
  • Certification Single: Grav. w/Analytical Confirmation
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SKU: PEO-077

Chloral Hydrate Drinking Water Organic Standard (2 pack)

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  • Brand NSI
  • Matrix Acetonitrile
  • Certification Single: Grav. w/Analytical Confirmation
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SKU: PEO-075

Oxygenates Drinking Water Organic Standard (2 pack)

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  • Brand NSI
  • Matrix PT Methano
  • Certification Single: Grav. w/Analytical Confirmation
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SKU: QCO-101B

NPW - Diesel Range Organics (DRO) - Blind

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  • Brand NSI
  • Matrix Methanol solution
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
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SKU: QCO-100B

NPW - OP Pesticides - Blind

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  • Brand NSI
  • Matrix Acetone
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
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SKU: QCO-099B

WS - Pesticides - Blind

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  • Brand NSI
  • Matrix Acetone
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
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SKU: QCO-098B

WS - Organic Disinfection By-Products - Blind

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  • Brand NSI
  • Matrix MTBE
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
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SKU: QCO-097B

WS - Diquat/Endothall/Glyphosate/Paraquat - Blind

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
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SKU: QCO-094B

NPW - Herbicides - Blind

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  • Brand NSI
  • Matrix Methyl tert-butyl ether
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
Quick View
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