Hazardous Waste Site Classification
Inactive Hazardous Waste Disposal Site Classification
Five classifications for hazardous waste sites are specified in the Environmental Conservation Law:
Class 1 Site: Causing, or presenting an imminent danger of causing, irreversible or irreparable damage to the public health or the environment - immediate action is required.
Class 2 Site: Significant threat to the public health or environment - action required.
Class 3 Site: Does not present a significant threat to the environment or public health - action may be deferred.
Class 4 Site: Site properly closed - requires continued management.
Class 5 Site: Site properly closed - does not require continued management.