To maybe make it a bit simpler, there are thresholds, but when you read the ion scan results, it's either a pass or a fail. If the item being swabbed falls below the threshold of the variety of substances we're testing for, then it's a pass.
Deputy Director, Preventive Security and Intelligence, Correctional Service of Canada
To maybe make it a bit simpler, there are thresholds, but when you read the ion scan results, it's either a pass or a fail. If the item being swabbed falls below the threshold of the variety of substances we're testing for, then it's a pass.
See context to find out what was said next.