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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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Qualitative P. aeruginosa in Hemp PT Express (5 pack) Qualitative P. aeruginosa in Hemp PT Express (5 pack)
SKU: CMPT-070B

Qualitative P. aeruginosa in Hemp PT Express (5 pack)

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  • Brand NSI
  • Matrix Hemp
  • Raw Material <2 passages from primary culture
  • Certification Cultural based enumeration
Qualitative P. aeruginosa in Hemp (5 pack) Qualitative P. aeruginosa in Hemp (5 pack)
SKU: CMPT-070

Qualitative P. aeruginosa in Hemp (5 pack)

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  • Brand NSI
  • Matrix Hemp
  • Raw Material <2 passages from primary culture
  • Certification Cultural based enumeration
Qualitative S. aureus in Oil PT Express (5 pack) Qualitative S. aureus in Oil PT Express (5 pack)
SKU: CMPT-069B

Qualitative S. aureus in Oil PT Express (5 pack)

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  • Brand NSI
  • Matrix Hemp Oil
  • Raw Material <2 passages from primary culture
  • Certification Cultural based enumeration
Qualitative S. aureus in Oil (5 pack) Qualitative S. aureus in Oil (5 pack)
SKU: CMPT-069

Qualitative S. aureus in Oil (5 pack)

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  • Brand NSI
  • Matrix Hemp Oil
  • Raw Material <2 passages from primary culture
  • Certification Cultural based enumeration
Qualitative S. aureus in Edible PT Express (5 pack) Qualitative S. aureus in Edible PT Express (5 pack)
SKU: CMPT-068B

Qualitative S. aureus in Edible PT Express (5 pack)

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  • Brand NSI
  • Matrix Edible
  • Raw Material <2 passages from primary culture
  • Certification Cultural based enumeration
Qualitative S. aureus in Edible (5 pack) Qualitative S. aureus in Edible (5 pack)
SKU: CMPT-068

Qualitative S. aureus in Edible (5 pack)

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  • Brand NSI
  • Matrix Edible
  • Raw Material <2 passages from primary culture
  • Certification Cultural based enumeration
Qualitative S. aureus in Hemp PT Express (5 pack) Qualitative S. aureus in Hemp PT Express (5 pack)
SKU: CMPT-067B

Qualitative S. aureus in Hemp PT Express (5 pack)

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  • Brand NSI
  • Matrix Hemp
  • Raw Material <2 passages from primary culture
  • Certification Cultural based enumeration
Qualitative S. aureus in Hemp (5 pack) Qualitative S. aureus in Hemp (5 pack)
SKU: CMPT-067

Qualitative S. aureus in Hemp (5 pack)

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  • Brand NSI
  • Matrix Hemp
  • Raw Material <2 passages from primary culture
  • Certification Cultural based enumeration
Qualitative L. monocytogenes in Oil PT Express (5 pack) Qualitative L. monocytogenes in Oil PT Express (5 pack)
SKU: CMPT-066B

Qualitative L. monocytogenes in Oil PT Express (5 pack)

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  • Brand NSI
  • Matrix Hemp Oil
  • Raw Material <2 passages from primary culture
  • Certification Cultural based enumeration
Qualitative L. monocytogenes in Oil (5 pack) Qualitative L. monocytogenes in Oil (5 pack)
SKU: CMPT-066

Qualitative L. monocytogenes in Oil (5 pack)

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  • Brand NSI
  • Matrix Hemp Oil
  • Raw Material <2 passages from primary culture
  • Certification Cultural based enumeration
Qualitative L. monocytogenes in Edible PT Express (5 pack) Qualitative L. monocytogenes in Edible PT Express (5 pack)
SKU: CMPT-065B

Qualitative L. monocytogenes in Edible PT Express (5 pack)

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  • Brand NSI
  • Matrix Edible
  • Raw Material <2 passages from primary culture
  • Certification Cultural based enumeration
Qualitative L. monocytogenes in Edible (5 pack) Qualitative L. monocytogenes in Edible (5 pack)
SKU: CMPT-065

Qualitative L. monocytogenes in Edible (5 pack)

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