Heavy metals
Tests for lead, arsenic, cadmium and mercury, which the plant can take up from its soil and water. Results are in parts per million or billion against a state limit.
Related terms
- Pass / fail
Each safety test on a sheet ends in a pass or a fail against the state's limit. A batch that fails a required test cannot be sold as it is. - Pesticides
A screen for a state-set list of pesticide residues, each with its own limit. Most sheets print the whole list with a result beside every line.