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

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SKU: SPEO-005

PCB in Soil

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  • Brand NSI
  • Matrix Soil
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
SKU: SPEO-004

Toxaphene in Soil

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  • Brand NSI
  • Matrix Soil
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
SKU: SPEO-003

Organochlorine Pesticides

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
SKU: SPEI-141

Perchlorate in Soil

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  • Brand NSI
  • Matrix Soil
  • Raw Material >95% min; as available
  • Certification Single: Gravimetric w/IC Confirmation
SKU: SPEI-140

TPH in Soil

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  • Brand NSI
  • Matrix Soil
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
SKU: SPEI-037

Oil and Grease in Soil

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

Low Level PAHs in Soil

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  • Brand NSI
  • Matrix Soil
  • Certification Single: Gravimetric and/or Volumetric
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
SKU: SPEI-014

Flash Point

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Gravimetric and/or Volumetric
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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