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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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Anions in Soil – Blind Anions in Soil – Blind
SKU: SQCI-015B

Anions in Soil – Blind

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Gravimetric w/IC Confirmation
Flash Point – Blind Flash Point – Blind
SKU: SQCI-014B

Flash Point – Blind

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Gravimetric and/or Volumetric
Reactive Cyanide – Blind Reactive Cyanide – Blind
SKU: SQCI-013B

Reactive Cyanide – Blind

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
Corrosivity (pH) – Blind Corrosivity (pH) – Blind
SKU: SQCI-012B

Corrosivity (pH) – Blind

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
Nitroaromatics 211; Blind Nitroaromatics 211; Blind
SKU: SQCI-011B

Nitroaromatics 211; Blind

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  • Brand NSI
  • Certification Single: Gravimetric and/or Volumetric
TCLP Metals in Soil 8211; Blind TCLP Metals in Soil 8211; Blind
SKU: SQCI-005B

TCLP Metals in Soil 8211; Blind

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Gravimetric w/ICP Confirmation
Hexavalent Chromium – Blind Hexavalent Chromium – Blind
SKU: SQCI-003B

Hexavalent Chromium – Blind

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  • Brand NSI
  • Certification Single: Grav. w/Analytical Confirmation
  • Raw Material >95% min; as available
Metals in Soil – Blind Metals in Soil – Blind
SKU: SQCI-001B

Metals in Soil – Blind

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Gravimetric w/ICP Confirmation
TPH in Soil - Blind TPH in Soil - Blind
SKU: SQC-116B

TPH in Soil - Blind

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
Diesel in Soil - Blind Diesel in Soil - Blind
SKU: SQC-115B

Diesel in Soil - Blind

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
Gasoline in Soil - Blind Gasoline in Soil - Blind
SKU: SQC-114B

Gasoline in Soil - Blind

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  • Brand NSI
  • Matrix Methanol
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
PVOC in Soil - Blind PVOC in Soil - Blind
SKU: SQC-113B

PVOC in Soil - Blind

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  • Brand NSI
  • Matrix Methanol
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
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