In this chapter:
(1) "Person" means an individual, association of individuals, partnership, corporation, receiver, trustee, guardian, executor, or a fiduciary or representative of any kind.
(2) "Railroad commission" means the Railroad Commission of Texas.
(3) "Oil and gas waste" means oil and gas waste as defined by Section 91.1011, Natural Resources Code, and includes water containing salt or other mineralized substances produced by drilling an oil or gas well or produced in connection with the operation of an oil or gas well.
(4) "Hauler" means a person who transports oil and gas waste for hire by any method other than by pipeline.