Learn More Topic: Example: Aquatic Life Criteria for Diazinon
Freshwater
Aquatic life should not be affected unacceptably if the:
-
One-hour average concentration of diazinon does not exceed 0.17 micrograms per liter more than once every three years on the average (acute criterion), and
-
Four-day average concentration of diazinon does not exceed 0.17 micrograms per liter more than once every three years on the average (chronic criterion).
Saltwater
Aquatic life should not be affected unacceptably if the:
-
One-hour average concentration of diazinon does not exceed 0.82 micrograms per liter more than once every three years on the average (acute criterion), and
-
Four-day average concentration of diazinon does not exceed 0.82 micrograms per liter more than once every three years on the average (chronic criterion).
Resource. EPA’s final criteria fact sheet on diazinon