A Handful of Sand from Aquifer Sediments on Western Cape Cod, MA
By Environmental Health Program
2004 (approx.)

Detailed Description
A handful of sand from aquifer sediments on western Cape Cod, MA. The surfaces of these quartz grains are covered by coatings containing iron and aluminum oxides and silicates. Arsenic in the coatings can be released by changes in chemical conditions.
Sources/Usage
Public Domain.