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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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769 Items found

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Heavy Metals in Hemp Heavy Metals in Hemp
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
Residual Solvents in Oil Residual Solvents in Oil
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
Quantitative Yeast & Mold in Hemp PT Express Quantitative Yeast & Mold in Hemp PT Express
SKU: CMPT-085B

Quantitative Yeast & Mold in Hemp PT Express

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  • Brand NSI
  • Matrix Hemp
  • Raw Material <2 passages from primary culture
  • Certification Cultural based enumeration
Quantitative Yeast & Mold in Hemp Quantitative Yeast & Mold in Hemp
SKU: CMPT-085

Quantitative Yeast & Mold in Hemp

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  • Brand NSI
  • Matrix Hemp
  • Raw Material <2 passages from primary culture
  • Certification Cultural based enumeration
THC Potency in Edible PT Express (2 pack) + Spike matrix THC Potency in Edible PT Express (2 pack) + Spike matrix
SKU: CMPT-084B

THC Potency in Edible PT Express (2 pack) + Spike matrix

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  • Brand NSI
  • Matrix Edible
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
THC Potency in Edible (2 pack) + Spike matrix THC Potency in Edible (2 pack) + Spike matrix
SKU: CMPT-084

THC Potency in Edible (2 pack) + Spike matrix

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  • Brand NSI
  • Matrix Edible
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
THC Potency in Oil PT Express (2 pack) + Spike matrix THC Potency in Oil PT Express (2 pack) + Spike matrix
SKU: CMPT-083B

THC Potency in Oil PT Express (2 pack) + Spike matrix

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  • Brand NSI
  • Matrix Hemp Oil
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
THC Potency in Oil THC Potency in Oil
SKU: CMPT-083

THC Potency in Oil

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  • Brand NSI
  • Matrix Hemp Oil
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
THC Potency in Hemp PT Express (2 pack) + Spike matrix THC Potency in Hemp PT Express (2 pack) + Spike matrix
SKU: CMPT-082B

THC Potency in Hemp PT Express (2 pack) + Spike matrix

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  • Brand NSI
  • Matrix Hemp
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
THC Potency in Hemp (2 pack) + Spike matrix THC Potency in Hemp (2 pack) + Spike matrix
SKU: CMPT-082

THC Potency in Hemp (2 pack) + Spike matrix

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  • Brand NSI
  • Matrix Hemp
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
Water Activity in Oil PT Express (2 pack) Water Activity in Oil PT Express (2 pack)
SKU: CMPT-081B

Water Activity in Oil PT Express (2 pack)

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  • Brand NSI
  • Matrix Hemp Oil
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
Water Activity in Oil (2 pack) Water Activity in Oil (2 pack)
SKU: CMPT-081

Water Activity in Oil (2 pack)

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  • Brand NSI
  • Matrix Hemp Oil
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
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