Definition

• An uncontrolled or illegal release or threatened release of one or more toxic substances;

• The quantity of toxic substances which are released, are on the NTSIP mandatory reporting list or meet certain minimum quantities;

• Petroleum only incidents, as well as stack or flare incidents are included only when there is a public health action (e.g. evacuation, health advisory, well survey, alternate water, fishing ban, prohibit consumption of livestock/produce, health investigation, shutdown of water intakes, or environmental sampling) or an injury is caused by the chemical. Petroleum being used as a fuel in a vehicle at the time of the incident is not included.

Definition of a toxic substance includes, but is not limited to, any element, substance, compound, or mixture, including disease-causing agents, which after release into the environment and upon exposure, ingestion, inhalation, or assimilation into organism, either directly from the environment or indirectly by ingestion through the food chain, will or may reasonably be anticipated to cause death, disease, behavioral abnormalities, cancer, genetic mutation, physiological malfunctions, or physical deformations, in such organisms or their offspring.