Table 9. Average gamma exposure rates, first quarter, 2021, EcoGamma* network.

Station Location

Exposure Rate (ÁR/hr)

Quarterly Average

▒ 2 SD

On-site Locations

Base of Howe

18.1

2.2

Big Lost River Rest Area

15.7

1.9

Rover

16.5

1.6

Sand Dunes Tower

15.3

1.8

Boundary Locations

 

 

Atomic City

15.5

1.7

Big Southern Butte

18.7

2.8

Howe Met Tower

14.7

1.6

Monteview

13.4

1.6

Mud Lake / Terreton

14.7

1.5

Distant Locations

 

 

Fort Hall

14.3

1.3

Idaho Falls

15.9

1.7

*The EcoGammas are sensitive electronic devices that can experience intermittent malfunctions and/or interference; this typically results in characteristic positive and/or negative data spikes. These aberrations are removed from the data set based on the judgement of the data analyst.