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Scheduled Proficiency Testing & PT Express™ 

As a leader among proficiency testing providers, we are proud to offer NSI Lab Solutions ISO 17043-accredited proficiency testing to environmental, food science, and cannabis/hemp testing laboratories. Our accredited PTs are also available through our on-demand PT Express version, allowing you to receive your final graded report within 48 hours after submitting results — no scheduled test selection required.

Past report copies and data entry are available 24/7 using our secure online PT Datalink. Scheduled proficiency testing is also available throughout the year. You may also be interested in our analytical reference materials.

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Environmental

Our studies include all analytes required by TNI fields of testing. All quantitative samples are supplied in duplicate.

Food & Agriculture

NSI Lab Solutions Food Microbiology Proficiency Testing (PT) studies are designed for your convenience and success.

Cannabis & Hemp

Cannabis & Hemp proficiency testing studies are designed for your convenience and success.

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SKU: CMQC-026

Qualitative Salmonella in Edibles

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  • Brand NSI
  • Matrix Edible
  • Raw Material <2 passages from primary culture
  • Certification Cultural based enumeration
SKU: CMQC-025

Qualitative Salmonella in Cannabis

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  • Brand NSI
  • Raw Material <2 passages from primary culture
  • Certification Cultural based enumeration
SKU: CMQC-024

Terpenes in Hemp

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  • Brand NSI
  • Matrix Hemp
  • Concentration 500; 5,000; 50,000; 500,000; and 5,000,000 copies/mL
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
SKU: CMQC-023

Potency in Hemp

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  • Brand NSI
  • Matrix Hemp
  • Concentration 500; 5,000; 50,000; 500,000; and 5,000,000 copies/mL
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
SKU: CMQC-022

Moisture in Hemp

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  • Brand NSI
  • Matrix Hemp
  • Concentration 50,000 copies/mL
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
SKU: CMQC-021

Water Activity in Hemp

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  • Brand NSI
  • Matrix Hemp
  • Concentration 50,000 cells/mL
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
SKU: CMQC-020

Heavy Metals in Hemp

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  • Brand NSI
  • Certification Single: Gravimetric w/ICP Confirmation
  • Concentration 25 to 28 Ct
  • Matrix Hemp
  • Raw Material >95% min; as available
SKU: CMQC-018

Residual Solvents in Oil

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  • Brand NSI
  • Matrix Hemp Oil
  • Concentration 23 to 25 Ct
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
SKU: QCI-147

Stable Sulfide Standard 10mg/mL

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  • Brand NSI
  • Concentration 10mg/mL
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
SKU: QCI-147L

Stable Sulfide Standard 1mg/mL

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  • Brand NSI
  • Concentration 1mg/mL
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
SKU: PEO-010K

EPA WS Organics Kit

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  • Brand NSI
  • Certification Single: Grav. w/Analytical Confirmation
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