Small and portable, such as those used in mineral exploration drilling, water wells and environmental investigations.

Although an environmental investigation showed lead in the fill, it revealed no contamination in the adjacent river.

The agreement is conditional upon certain environmental investigations.

Mr. Greenberg said there were other challenges, such as conducting an environmental investigation of the site, which "took a lot longer than anticipated."

Children with 20 micrograms or more would be given complete diagnostic evaluations, including referrals for environmental investigations.

This would empower the agency to carry out universal inspections in Iran and to make environmental investigations on the shortest possible notice.

The city is currently conducting an environmental investigation of the parcel.

An environmental investigation showed lead in the fill, but no contamination in the adjacent river.

It's true that in most cases of actual chemical spills or water contamination, environmental investigations do reveal something amiss.

It is used in both humans and animals for environmental and forensic investigation.