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Express Toxicology Services

Oklahoma Based Agricultural Research and Safety Testing Facility

Accurate testing of hemp and other agricultural yields is vital for consumers and vendors in Oklahoma’s emerging market. Trust your cannabinoids and other agricultural yields to Express Toxicology Services, where all analyses are performed with state of the art equipment and all tests are analyzed by trained experts with decades of experience in the field. Whether you are testing for quality assurance, dosage or proper labeling of your product line, we can test your plants, oils, concentrates, edibles, and other products and assure that your products provide optimal benefits for your consumers. Most results will be available within 5 business days.

Why Employ Your Product Testing at ETS?

Your Partner for Accurate Analysis

  • Our Laboratory Director has been a practicing physician for 39+ years
  • Our Supervising Chemist is a retired OSBI forensic chemist with years of experience testing controlled substances
  • Most results are returned in 5 business days(samples submitted after 1pm will be deemed to start the next business day)
  • Easily submit a sample request through our online order form
  • Pick up service available by a trained lab technician to ensure your samples are packaged properly


We cover a variety of services

We offer a full range of testing for CBD products and other related agricultural yields ranging from potency testing to testing for contamination and other harmful substances such as pesticides and heavy metals. Whether it’s for quality assurance or formulation, analysis at ETS ensures your products’ quality.

Working Hours (Central)

MONDAY 9am-5pm
TUESDAY 9am-5pm
THURSDAY 9am-5pm
FRIDAY 9am-5pm

Sampling & Testing Information

Please contact us for specific information about sample sizes, sampling procedures and analysis. We aim to make the process clear, transparent, and convenient for our customers. In state pick-up for samples are available for an additional cost. All Oklahoma Compliance Tests are 100% performed in-house on validated state of the art instrumentation. Due to unforeseen circumstances such as equipment failure etc. outsourcing a test may be necessary in order to complete your tests in the promised time period. We only outsource to those labs who have applied for an OMMA Laboratory License, Qualifying Accreditation and proven proficiency testing. If a test is outsourced, it will be notated in the notes section of the particular outsourced test.