It is applied in industrial and military purposes to detect harmful substances in air.

The plan also calls for tests to detect toxic substances, which would not be permitted in any water to be injected underground.

There will be no tests to detect substances like human-growth hormone, insulin-growth factor and products that work essentially as artificial blood.

Detecting and identifying controlled substances is a critical step in law enforcement's fight against drug-related crime and violence.

Both urine and blood tests were used to detect banned substances.

The antenna are thought to be useful in detecting volatile substances given off by the plant.

The job of the antibodies is to detect and destroy substances that cause disease and sickness.

The development of methods and resources to detect hazardous substances in the environment.

All three sprinters were disqualified from athletics after drugs tests detected banned substances in their systems.

He said blood testing offers the best way to detect banned substances that evade urinalysis.