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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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Quantitative Indicators in Meat Matrix PT Express Quantitative Indicators in Meat Matrix PT Express
SKU: FMPT-001MB

Quantitative Indicators in Meat Matrix PT Express

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  • Brand NSI
  • Raw Material <2 passages from primary culture
  • Certification Cultural based enumeration
Quantitative Indicators in Meat Matrix Quantitative Indicators in Meat Matrix
SKU: FMPT-001M

Quantitative Indicators in Meat Matrix

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  • Brand NSI
  • Raw Material <2 passages from primary culture
  • Certification Cultural based enumeration
Quantitative Indicators in Dairy Matrix PT Express Quantitative Indicators in Dairy Matrix PT Express
SKU: FMPT-001DB

Quantitative Indicators in Dairy Matrix PT Express

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  • Brand NSI
  • Raw Material <2 passages from primary culture
  • Certification Cultural based enumeration
Quantitative Indicators in Dairy Matrix Quantitative Indicators in Dairy Matrix
SKU: FMPT-001D

Quantitative Indicators in Dairy Matrix

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  • Brand NSI
  • Raw Material <2 passages from primary culture
  • Certification Cultural based enumeration
Quantitative Indicators in Buffer Matrix PT Express Quantitative Indicators in Buffer Matrix PT Express
SKU: FMPT-001B

Quantitative Indicators in Buffer Matrix PT Express

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  • Brand NSI
  • Raw Material <2 passages from primary culture
  • Certification Cultural based enumeration
Quantitative Indicators in Buffer Matrix Quantitative Indicators in Buffer Matrix
SKU: FMPT-001

Quantitative Indicators in Buffer Matrix

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  • Brand NSI
  • Raw Material <2 passages from primary culture
  • Certification Cultural based enumeration
Water Activity in Edible Water Activity in Edible
SKU: FM-747

Water Activity in Edible

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  • Brand NSI
  • Matrix Edible
  • Raw Material >95% min
  • Certification Single: Grav. w/Analytical Confirmation
Water Activity in Hemp Water Activity in Hemp
SKU: FM-746

Water Activity in Hemp

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  • Brand NSI
  • Matrix Hemp
  • Raw Material >95% min
  • Certification Single: Grav. w/Analytical Confirmation
Salmonella in Hemp Positive Control Salmonella in Hemp Positive Control
SKU: FM-732

Salmonella in Hemp Positive Control

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  • Brand NSI
  • Matrix Hemp
  • Raw Material <2 passages from primary culture
  • Certification Cultural based enumeration
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