Integrity. Quality. Trust.

Certified Professional Laboratory Analysis

CATLAB provides certified professional laboratory analysis of adult use and medical cannabis products. CATLAB provides testing for THC potency, homogeneity, and cannabinoid profiles, as well as testing for residual solvents, toxins, harmful chemicals, dangerous molds and mildew, harmful microbes, pesticides, fungicides, and insecticides.


The tests listed below are mandatory in the state of Maine for all marijuana or marijuana products prior to being sold or transferred to a qualifying person 21 years of age or older in the adult use market. 


CATLAB provides third party field sampling, as well as the cannabis testing categories listed below. If you would like to test your product for something not listed on this page, just give us a call.

3rd Party Laboratory Accreditation

CATLAB is accredited in accordance with the recognized International Standard: ISO/IEC 17025:2017. We received accreditation through a third party, Perry Johnson Laboratory Accreditation, Inc. (PJLA). This accreditation demonstrates technical competence for a defined scope and the operation of a laboratory quality management system. To view CATLAB's Certification Document as a pdf, click the red PDF button.  


Cannabis Testing Categories:

  • THC potency, homogeneity and cannabinoid profile.

  • Filth and foreign material: Any visible contaminant, including without limitation hair, insects, feces, mold, sand, soil, cinders, dirt, packaging contaminants and manufacturing waste and byproducts.


  • Dangerous molds and mildew: Total yeast and mold, and for any marijuana or marijuana product that is further manufactured after failure of such test, mycotoxins including aflatoxins (B1, B2, G1, G2) & ochratoxin A.


  • Harmful microbes: Total viable aerobic bacteria, total coliforms, bile tolerant gram (-) bacteria, enterobacter, E. coli (pathogenic strains), Salmonella (spp.).


  • Water Activity and Moisture Content.

 Coming Soon:

  • Terpenes: Aromatic compounds


  • Other harmful chemicals: Cadmium (Cd), lead (Pb), arsenic (As), mercury (Hg)


  • Residual solvents, poisons and toxins: Acetone, acetonitrile, butanes, ethanol, ethyl acetate, ethyl ether, heptanes, hexane, isopropyl alcohol, methanol, pentane, propane, toluene, xylenes, 1,2-dichloroethane, benzene, chloroform, ethylene oxide, methylene chloride, trichloroethlene and any others used.


  • Pesticides, fungicides, insecticides and growth regulators: Bifenthrin, cyfluthrin, daminozide, etoxazole, imazalil, myclobutanil, spiromesifen trifloxystrobin, and any others used. MTFs must also report any pesticides that appear on testing and which are on the list of 195 pesticides federally prohibited on organic produce.

3rd Party Field Sampling

As your partner, CATLAB is here to support your efforts to provide the safest and highest quality cannabis product to your customers. Our technicians are professionally trained in sample collection and sample preparation protocols, ensuring that the growers and producers of cannabis products remain compliant with all pertinent regulations. CATLAB will tailor our services to your needs in order to support your internal quality programs.