Putting pot under the scope: State-mandated labs to test Oregon recreational marijuana for potency and purity

Dylan Darling | SEPT. 11, 2016

The pungent smell of marijuana hangs heavy in Iron Laboratories, one of three pot testing labs in Eugene.

The lab, on Centennial Loop near Autzen Stadium, is well-stocked not only with pot samples from growers and other producers but with tools of the testing trade: microscopes, vials and expensive high-tech instruments, including a mass spectrometer, a device used to analyze the chemical makeup of samples.

Putting pot under the scope: State-mandated labs to test Oregon recreational marijuana for potency and purity