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Proficiency Testing

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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MA Pesticide Standard, 1000 µg/mL in Acetonitrile, 1.5 mL MA Pesticide Standard, 1000 µg/mL in Acetonitrile, 1.5 mL
SKU: C-972

MA Pesticide Standard, 1000 µg/mL in Acetonitrile, 1.5 mL

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  • Brand NSI
  • Matrix Acetonitrile
  • Raw Material min 95%
  • Certification Grav. &/or Volume w/Analytical Confirmation
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MD LCMS Pesticide Mix #2, 1000 ug/mL in Acetonitrile:Methanol 1:1, 1.5 mL MD LCMS Pesticide Mix #2, 1000 ug/mL in Acetonitrile:Methanol 1:1, 1.5 mL
SKU: C-971

MD LCMS Pesticide Mix #2, 1000 ug/mL in Acetonitrile:Methanol 1:1, 1.5 mL

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  • Brand NSI
  • Matrix Acetonitrile:Methanol 1:1
  • Raw Material min 95%
  • Certification Grav. &/or Volume w/Analytical Confirmation
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MD LCMS Pesticide Mix #1, 1000 µg/mL in Acetonitrile, 1.5 mL MD LCMS Pesticide Mix #1, 1000 µg/mL in Acetonitrile, 1.5 mL
SKU: C-970

MD LCMS Pesticide Mix #1, 1000 µg/mL in Acetonitrile, 1.5 mL

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  • Brand NSI
  • Matrix Acetonitrile
  • Raw Material min 95%
  • Certification Grav. &/or Volume w/Analytical Confirmation
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MD GCMS Pesticide Mix, 1000 µg/mL in Acetonitrile, 1.5 mL MD GCMS Pesticide Mix, 1000 µg/mL in Acetonitrile, 1.5 mL
SKU: C-969

MD GCMS Pesticide Mix, 1000 µg/mL in Acetonitrile, 1.5 mL

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  • Brand NSI
  • Certification Grav. &/or Volume w/Analytical Confirmation
  • Matrix Acetonitrile
  • Raw Material min 95%
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CA Pesticide Mix 4, 1000 µg/mL in Acetonitrile, 1.5mL CA Pesticide Mix 4, 1000 µg/mL in Acetonitrile, 1.5mL
SKU: C-968

CA Pesticide Mix 4, 1000 µg/mL in Acetonitrile, 1.5mL

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  • Brand NSI
  • Matrix Acetonitrile
  • Raw Material min 95%
  • Certification Grav. &/or Volume w/Analytical Confirmation
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CA Pesticide Mix 3, 1000 µg/mL in Acetonitrile, 1.5 mL CA Pesticide Mix 3, 1000 µg/mL in Acetonitrile, 1.5 mL
SKU: C-967

CA Pesticide Mix 3, 1000 µg/mL in Acetonitrile, 1.5 mL

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  • Brand NSI
  • Matrix Acetonitrile
  • Raw Material min 95%
  • Certification Grav. &/or Volume w/Analytical Confirmation
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Spinosad, 1000 µg/mL in 1:1 Acetonitrile:Methanol 1:1, 1.5 mL Spinosad, 1000 µg/mL in 1:1 Acetonitrile:Methanol 1:1, 1.5 mL
SKU: C-966

Spinosad, 1000 µg/mL in 1:1 Acetonitrile:Methanol 1:1, 1.5 mL

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  • Brand NSI
  • Matrix Acetonitrile:Methanol 1:1
  • Raw Material min 95%
  • Certification Grav. &/or Volume w/Analytical Confirmation
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CA Pesticide Mix 2B, 1000 µg/mL in Acetonitrile:Methanol 1:1, 1.5 mL CA Pesticide Mix 2B, 1000 µg/mL in Acetonitrile:Methanol 1:1, 1.5 mL
SKU: C-965

CA Pesticide Mix 2B, 1000 µg/mL in Acetonitrile:Methanol 1:1, 1.5 mL

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  • Brand NSI
  • Matrix Acetonitrile:Methanol 1:1
  • Raw Material min 95%
  • Certification Grav. &/or Volume w/Analytical Confirmation
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CA Pesticide Mix 2A, 1000 µg/mL in Acetonitrile:Methanol 1:1, 1.5 mL CA Pesticide Mix 2A, 1000 µg/mL in Acetonitrile:Methanol 1:1, 1.5 mL
SKU: C-964

CA Pesticide Mix 2A, 1000 µg/mL in Acetonitrile:Methanol 1:1, 1.5 mL

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  • Brand NSI
  • Matrix Acetonitrile:Methanol 1:1
  • Raw Material min 95%
  • Certification Grav. &/or Volume w/Analytical Confirmation
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OR and WA LC Pesticide Mix 1, 1000 µg/mL in Acetonitrile:Methanol 1:1, 1.5 mL OR and WA LC Pesticide Mix 1, 1000 µg/mL in Acetonitrile:Methanol 1:1, 1.5 mL
SKU: C-963

OR and WA LC Pesticide Mix 1, 1000 µg/mL in Acetonitrile:Methanol 1:1, 1.5 mL

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  • Brand NSI
  • Matrix Acetonitrile:Methanol 1:1
  • Raw Material min 95%
  • Certification Grav. &/or Volume w/Analytical Confirmation
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Naled, 1000 µg/mL in Acetonitrile, 1.5 mL Naled, 1000 µg/mL in Acetonitrile, 1.5 mL
SKU: C-962

Naled, 1000 µg/mL in Acetonitrile, 1.5 mL

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  • Brand NSI
  • Matrix Acetonitrile
  • Raw Material min 95%
  • Certification Grav. &/or Volume w/Analytical Confirmation
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NV Pesticide Standard #2, 1000 µg/mL in Acetonitrile, 1.5 mL NV Pesticide Standard #2, 1000 µg/mL in Acetonitrile, 1.5 mL
SKU: C-961

NV Pesticide Standard #2, 1000 µg/mL in Acetonitrile, 1.5 mL

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  • Brand NSI
  • Matrix Acetonitrile
  • Raw Material min 95%
  • Certification Grav. &/or Volume w/Analytical Confirmation
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