NSI Lab Solutions specializes in providing proficiency testing (PT) and reference materials for a broad range of laboratory settings, including environmental, food, agricultural, and pharmaceutical sectors. It is known for its rigorous analytical validation standards and unwavering commitment to quality, supported by its accreditation to ISO/IEC 17043.

It also offers ISO 17043-accredited PT programs specifically for cannabis and hemp testing laboratories, designed to help labs evaluate and enhance the quality of their analytical measurements and maintain compliance with regulatory requirements.

Spectra Analytical Labs has successfully completed the following NSI Lab Solutions proficiency tests, underscoring our dedication to quality, accuracy, and adherence to regulatory requirements: 

2025
  • CMPT-029 STEC in Edible, Series A
  • CMPT-083 THC Potency in Hemp Oil

The Emerald Test™ was a globally recognized Inter-Laboratory Comparison Proficiency Test (ILC/PT) Program tailored for cannabis and hemp testing facilities running from 2014 until 2025. It enabled laboratories to meet internal Standard Operating Procedures (SOPs), regulatory compliance, and ISO/IEC accreditation requirements.

From its inception in 2014, The Emerald Test™ established itself as the longest-running program of its kind, conducted biannually. All Proficiency Tests (PTs) within the program are produced by ISO 17043-accredited manufacturers, ensuring the highest quality and accuracy. Beyond the scheduled program, individual PTs are available for purchase throughout the year.

By participating in The Emerald Test™, laboratories worldwide demonstrated competency, validate measurement processes, and affirm their ability to comply with regulatory requirements.

Below are the Emerald Test Badges awarded to Spectra Analytical Labs, reflecting our commitment to excellence and regulatory standards: