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Spotting danger from on high

Airborne sensors can identify mineral outcrops and soil that may contain natural asbestos

12:11pm, August 7, 2009

Airborne instruments can scan the ground to quickly and efficiently detect rocks and soil that may contain naturally occurring asbestos, researchers report.

In many regions, particularly in the West, rock outcrops can host several types of fibrous minerals known as asbestos. Though generally known for its past use as insulation in building construction, asbestos can also be a health concern for people who live on or near land that contains the minerals (SN

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