The MRA has updated the Sampling and Testing Technical Guide. The majority of the guide is applicable to Laboratories only. However,
Cultivators and Producers should take note of the new sampling protocols and minimum sampling requirements for concentrates and infused products on pages 20-23.
To read the manual, click on https://www.michigan.gov/documents/mra/Sampling_and_Testing-_Technical_Guidance_for_Marijuana_Products_694124_7.pdf