Overview and Initiating the Environmental Impact Analysis and Assessment - Environmental Impact Analysis: Process and Methods - page 112

Evaluation area = 0.4 km 2
Ta rge t area = 0.03 km 2

Ta rge t
USCG gunner positions

FIGURE 4.2
Area potentially impacted by USCG live fire training.

Freshwater Estuarine

1.2

1.0

Total area
Target area

0.8

0.6

0.4

0.2

0.0

Antimony Copper Lead Zinc Antimony Copper Lead Zinc

FIGURE 4.3
Comparison of safe levels to calculated sediment concentration resulting from USCG live fire
training.