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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: SPEI-018

Sulfide in Soil

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  • Brand NSI
  • Matrix Soil
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
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SKU: SPEI-017

Cyanide in Soil

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  • Brand NSI
  • Matrix Soil
  • Raw Material >95% min; as available
  • Certification Single: Gravimetric w/ICP Confirmation
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SKU: SPEI-016

Low Level PAHs in Soil

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  • Brand NSI
  • Matrix Soil
  • Certification Single: Gravimetric and/or Volumetric
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SKU: SPEI-015

Anions in Soil

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  • Brand NSI
  • Matrix Soil
  • Raw Material >95% min; as available
  • Certification Single: Gravimetric w/IC Confirmation
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SKU: SPEI-014

Flash Point

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Gravimetric and/or Volumetric
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SKU: SPEI-013

Reactive Cyanide

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
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SKU: SPEI-012

Corrosivity (pH)

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
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SKU: SPEI-011

Nitroaromatics

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  • Brand NSI
  • Certification Single: Gravimetric and/or Volumetric
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SKU: SPEI-005

TCLP Metals in Soil

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  • Brand NSI
  • Matrix Soil
  • Raw Material >95% min; as available
  • Certification Single: Gravimetric w/ICP Confirmation
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SKU: SPEI-003

Hexavalent Chromium

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
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SKU: SPEI-001

Metals in Soil

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  • Brand NSI
  • Matrix Soil
  • Raw Material >95% min; as available
  • Certification Single: Gravimetric w/ICP Confirmation
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SKU: SPE-116

TPH in Soil

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  • Brand NSI
  • Matrix Soil
  • Certification Single: Gravimetric and/or Volumetric
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