A sample and related lot or batch of cannabis plant product, cannabis concentrate, cannabis product, or vaporizer cartridges fail quality assurance testing for heavy metals if the results exceed the limits provided in Table 7.

TABLE 7Heavy MetalsMetalsNatural Health Products Acceptable limits in parts per million (ppm)Arsenic<2Cadmium<0.82Lead<1.2Mercury<0.4

KEY: cannabis testing, quality assurance, cannabis laboratory, water activity standards, foreign matter standards, microbial life, pesticide standards, residual solvents standards, heavy metal standards, mycotoxin standards, terpene standards

Date of Last Change: August 21, 2025

Authorizing, and Implemented or Interpreted Law: 4-41a-701