A USGS scientist prepares a tracer solution in a gas-tight bladder

A USGS scientist prepares a tracer solution in a gas-tight bladder that will be pumped into the groundwater

Detailed Description

A USGS scientist prepares a tracer solution in a gas-tight bladder that will be pumped into a zone of nitrate-containing groundwater to monitor the production and consumption of nitric oxide dissolved in groundwater.

Details

Image Dimensions: 1606 x 1452

Date Taken:

Location Taken: US

Credits

U.S. Geological Survey