Inhalation

1
Figure 1. Conceptual Model for EECA UPRR Trail
from Mullan to Plummer, ID
Diet (not evaluated)
Adult Occupational driving, sweeping, digging
holes for signs and fences, picking up trash,
removing sediments, etc.
Ambient air (not evaluated)
Crustal weathering
Inhalation
Trail soils
Mining and smelter activities (including
railroad transportation)
House dust (not evaluated)
Adult Recreational biking, running, walking,
roller blading, hiking, horseback riding
Ingestion
Industrial, automotive, and consumer sources
Residential and community-wide soils
(not evaluated)
Dermal contact
Paint (not evaluated)
Child Recreational biking, walking, roller
blading, playing, hiking, horseback riding
Surface and groundwater (not evaluated)
Drinking water (not evaluated)