RIVRISK Example Applications
Discharge Containing Dioxin

Significant risks predicted via five pathways
- ingestion of mothers milk
- ingestion of finfish
- ingestion of shellfish
- ingestion of soil
- dermal contact with water while swimming
Power Plant: Multiple Releases and Chemicals

- Human health risks predicted to be insignifcant (all chemicals)
- Demonstrated differences in human health risks due to use of EPA default
exposure parameters versus 50th and 95th percentile values
Acid Mine Shaft Discharge and Stormwater Runoff

Water quality criterion for freshwater organisms exceeded 86.5% of the time
within 10 feet of discharge