Okla. Stat. tit. 27A, § 27A-4-1-102

For purposes of the Oklahoma Emergency Response Act:

1. "State environmental agency" includes:

a. the Oklahoma Water Resources Board,

b. the Corporation Commission,

c. the State Department of Agriculture,

d. the Oklahoma Conservation Commission,

Oklahoma Statutes - Title 27A. Environment and Natural Resources Page 393

e. the Department of Wildlife Conservation,

f. the Department of Mines and Mining,

g. the Department of Public Safety,

h. the Department of Labor,

i. the Department of Environmental Quality, and

j. the Department of Civil Emergency Management;

2. "Lead official" means the person designated by the contact

agency to be the official in charge of the on-site management of the

emergency;

3. "Emergency" means a sudden and unforeseeable occurrence or

condition either as to its onset or as to its extent, of such

severity or magnitude that immediate emergency response or action is

necessary to preserve the health and safety of the public or

environment or to preserve property;

4. "Dangerous substance" means explosives, gases, flammable

liquids and solids, poisons, radioactive materials, hazardous

materials, deleterious substances, oil, or other substance or

material in a quantity or form capable of posing an unreasonable

risk to public health and safety, property or to the environment;

5. "Release" means a leakage, seepage, discharge, emission or

escaping of a dangerous substance into the environment of the state;

6. "Extreme emergency" means any emergency which requires

immediate protective actions;

7. "Protective actions" are those steps deemed necessary by

first responders to an extreme emergency to preserve the health and

safety of the emergency responders, the public and the protection of

the environment and property during an incident involving the

release of a dangerous substance. Protective actions include but

are not limited to area isolation, evacuation, dilution, cooling,

encapsulation, chemical treatment and diking;

8. "First responder" means the first person to arrive at the

scene of an incident involving the release of a dangerous substance

who has the authority by virtue of that person's position as a local

law enforcement officer, peace officer, fire protection officer or

Oklahoma Highway Patrol Officer or other law enforcement officer;

9. "Contact agency" means a municipality, fire department or

the Oklahoma Highway Patrol as determined by the location of an

incident as follows:

Location Contact Agency

a. Inside corporate municipal Municipal Fire

limits Department

b. Outside corporate Closest Municipal

limits on private property Fire Department

c. Outside corporate limits Oklahoma Highway

on federal/state highway, Patrol;

public property, county road,

or a railroad;

Oklahoma Statutes - Title 27A. Environment and Natural Resources Page 394

10. "Responsible party" means any person who owned, operated,

or otherwise controlled activities at the facility at the time the

incident or event involving releases of dangerous substances

requiring protective actions occurred; and

11. "Facility" means:

a. any building, structure, installation, equipment, pipe

or pipeline, including any pipe into a sewer or

publicly owned treatment works, well, pit, pond,

lagoon, impoundment, ditch, landfill, storage

container, motor vehicle, rolling stock, or aircraft,

or

b. any site or area where a hazardous substance has been

deposited, stored, disposed of, or placed, or

otherwise came to be located, or

c. any vessel, including every description of watercraft

or other artificial conveyance used, or capable of

being used, as a means of transportation on water.