contaminants

According to Murray, just 7-10% of the cannabis industry “currently voluntarily tests” for contaminants.

The ocean is filled with lots of contaminants, such as plastics, oil, and extra carbon.

Eventually humans were sent in, driving truck-mounted vacuum cleaners to suck up deadly contaminants.

It's like any deep mining operation: you're going to be bringing up possibly heavy metal contaminants.

But when high-yield explosions propel contaminants into the stratosphere, the pattern of subsequent developments is less clear.