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Scheduled Proficiency Testing & PT Express™ 

We are proud to offer NSI Lab Solutions SO 17034-accredited proficiency testing to Environmental, Food Science, & Cannabis/Hemp Testing Laboratories. Our accredited PTs are available through our on-demand PT Express version which allows you to receive your final graded report within 48 hours after submitting your results. No scheduled test selection is required. Past report copies and data entry are available 24/7 using our secure online PT Datalink.

PT samples have to be right. Your laboratory's accreditation is at stake, so anything less than 100% confidence is just not good enough. That's why we are proud to offer NSI ISO 17034-accredited proficiency testing to Environmental, Food Science, and Cannabis Testing laboratories. Scheduled proficiency tests are available throughout the year. Past report copies and data entry are available 24/7 using the secure online PT Datalink.

We offer Proficiency Testing products for a variety of testing schemes for both quantitative and qualitative test performance.Proficiency testing studies are designed for your convenience and success.

  • ISO 17043 Accredited
  • 2 studies yearly without order deadlines
  • PT Express™ Studies on YOUR schedule.When you need PT results NOW!
  • Simple online reporting with NSI Lab Solutions PT Datalink
  • No limits on the number of analysts or number of methods you may report
  • Final reports returned within 21 days of the study close

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Environmental

Robust - lyophilized technique ensures strong recovery even for 44.5 ºC coliform methods.

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: TX-1005WQCB

Texas TPH in Water - Blind

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  • Brand NSI
  • Certification Grav &/ Volumetric w/analytical confirmation
  • Matrix Water
  • Raw Material >95% min; as available
SKU: TX-1005WPT

Texas TPH in Water

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  • Brand NSI
  • Matrix Water
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
SKU: TX-1005SQCB

Texas TPH in Soil - Blind

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  • Brand NSI
  • Certification Grav &/ Volumetric w/analytical confirmation
  • Raw Material >95% min; as available
SKU: SQCO-072B

PCB in Transformer Oil - Blind

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  • Brand NSI
  • Matrix Transformer Oil
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
SKU: SQCO-038B

TOX in Soil - Blind

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
SKU: SQCO-021B

Organophosphorus Pesticides - Blind

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
SKU: SQCO-019B

Nutrients in Soil - Blind

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
SKU: SQCO-015-PEST-B

TCLP Pesticides - Blind

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  • Brand NSI
  • Certification Grav &/ Volumetric w/analytical confirmation
  • Raw Material >95% min; as available
SKU: SQCO-015-HERB-B

TCLP Herbicides - Blind

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  • Brand NSI
  • Certification Grav &/ Volumetric w/analytical confirmation
  • Raw Material >95% min; as available
SKU: SQCO-015-BNB

TCLP Base/Neutrals - Blind

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
SKU: SQCO-009B

Chlordane in Soil - Blind

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
SKU: SQCO-008LB

VOCs in Soil - Low Level - Blind

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
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