Microbiological Contaminants


Microbial pathogens can contaminate water, food, air, and other environmental media such as cannabis. Due to the diversity of pathogens, it is important to test for a wide range of bacteria and fungi commonly found in the cultivation and production of cannabis and related products.

Certain pathogens require a more sensitive detection due to the dangers they pose. Analysis is performed with the Agilent AriaMX using Quantitative Polymerase Chain Reaction (qPCR).

Testing Method

Quantitative Polymerase Chain Reaction (qPCR)

Scope of Test

  • Total Viable Aerobic Bacteria
  • Total Yeast and Mold
  • Total Coliform
  • Shigatoxigenic E. coli
  • Total Bile-tolerant Gram-negative Bacteria
  • Salmonella

Amount of Sample Needed

Matrix Desired Volume (g) Minimum (g)
Flower 2 1
Concentrates & MIPs 4 2

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