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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 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 is required. Past report copies and data entry are available 24/7 using our secure online PT Datalink. Scheduled proficiency testing for laboratories 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 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: PEO-062K

Full Organics Set

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  • Brand NSI
  • Certification Single: Grav. w/Analytical Confirmation
SKU: PEO-025K

EPA Organics Set

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  • Brand NSI
  • Certification Single: Grav. w/Analytical Confirmation
SKU: PEO-024-2

Chlordane (Total) Wastewater PT Standard (2 pack)

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  • Brand NSI
  • Matrix Acetone
  • Certification Single: Grav. w/Analytical Confirmation
SKU: PEO-022

Acids Wastewater PT Standard (2 pack)

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  • Brand NSI
  • Matrix Acetone
  • Certification Single: Grav. w/Analytical Confirmation
SKU: PEO-020

PCB in Water Wastewater PT Standard (2 pack)

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  • Brand NSI
  • Matrix Acetone
  • 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
SKU: PEO-009K

Full WS Organics Kit

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  • Brand NSI
  • Certification Single: Grav. w/Analytical Confirmation
SKU: PEO-007-4

EDB/DBP/TCP Drinking Water Organic Standard (2 pack)

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  • Brand NSI
  • Matrix P/T Methano
  • Certification Single: Grav. w/Analytical Confirmation
SKU: PEO-007-3

Unregulated VOCs Drinking Water Organic Standard (2 pack)

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  • Brand NSI
  • Matrix Methanol
  • Certification Single: Grav. w/Analytical Confirmation
SKU: PEO-007-12

Regulated VOCs Drinking Water Organic Standard (2 pack)

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  • Brand NSI
  • Matrix Methanol
  • Certification Single: Grav. w/Analytical Confirmation
SKU: PEO-006

Regulated SOCs Drinking Water Organic Standard (2 pack)

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  • Brand NSI
  • Matrix Acetone
  • Certification Single: Grav. w/Analytical Confirmation
SKU: PEO-005-6

Toxaphene (Total) Drinking Water Organic Standard (2 pack)

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