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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-103

Low Level Halocarbons Wastewater PT Standard (2 pack)

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  • Brand NSI
  • Matrix Methanol solution
  • Certification Single: Grav. w/Analytical Confirmation
SKU: PEO-102

Gasoline Range Organics (GRO) Wastewater PT Standard (2 pack)

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  • Brand NSI
  • Matrix Methanol solution
  • Certification Single: Grav. w/Analytical Confirmation
SKU: PEO-101

Diesel Range Organics (DRO) Wastewater PT Standard (2 pack)

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  • Brand NSI
  • Matrix Methanol solution
  • Certification Single: Grav. w/Analytical Confirmation
SKU: PEO-100

OP Pesticides Wastewater PT Standard (2 pack)

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  • Brand NSI
  • Matrix Acetone
  • Certification Single: Grav. w/Analytical Confirmation
SKU: PEO-099

Pesticides Drinking Water Organic Standard (2 pack)

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  • Brand NSI
  • Matrix Acetone
  • Certification Single: Grav. w/Analytical Confirmation
SKU: PEO-098

Organic Disinfection By-Products Drinking Water Organic Standard (2 pack)

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  • Brand NSI
  • Matrix MTBE
  • Certification Single: Grav. w/Analytical Confirmation
SKU: PEO-097

Diquat/Endothall/Glyphosate/Paraquat Drinking Water Organic Standard (2 pack)

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  • Brand NSI
  • Certification Single: Grav. w/Analytical Confirmation
SKU: PEO-094

Herbicides Wastewater PT Standard (2 pack)

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  • Brand NSI
  • Matrix Methyl tert-butyl ether
  • Certification Single: Grav. w/Analytical Confirmation
SKU: PEO-093

Toxaphene Wastewater PT Standard (2 pack)

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  • Brand NSI
  • Matrix Acetone
  • Certification Single: Grav. w/Analytical Confirmation
SKU: PEO-077

Chloral Hydrate Drinking Water Organic Standard (2 pack)

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  • Brand NSI
  • Matrix Acetonitrile
  • Certification Single: Grav. w/Analytical Confirmation
SKU: PEO-075

Oxygenates Drinking Water Organic Standard (2 pack)

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  • Brand NSI
  • Matrix PT Methano
  • Certification Single: Grav. w/Analytical Confirmation
SKU: PEO-072

PCBs in Oil Wastewater PT Standard (2 pack)

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