(a) As used in this part:

1. (1) “Carrier” means any person engaged, directly or by agent or employee, in the transportation of property by land, air, or water as a common, contract, or private carrier;

2. (2)

   1. (A) “Hazardous material” means any substance or mixture of substances which:

(i) Is toxic;

1. (ii) Is corrosive;

   1. (iii) Is an irritant;

      1. (iv) Is a strong sensitizer;
      2. (v) Is flammable or combustible;
      3. (vi) Generates pressure through:

(b) (b) Heat; or

1. (c) (c) Other means; or

   1. (vii) Has been defined as such by the laws of the United States or an agency of the United States by regulation.
   2. (B) “Hazardous material” shall further include any and all substances or mixtures of substances which pose a significant risk of substantial personal injury or substantial illness or substantial pollution to the land, water, or air of Arkansas as a result of the unforeseen escape of such a substance or mixtures of substances during transportation;
2. (3) “Nurse tanks” means tanks with a capacity of three thousand (3,000) gallons or less, used to transport liquids for agricultural purposes; and
3. (4) “Transport” means shipping or transportation of property by carrier where such shipping or transportation is in furtherance, incidentally or necessarily, of the business of the carrier.

(b) Other terms.

1. (1) All terms not otherwise defined herein shall have the same meanings as set forth in Acts 1977, No. 421, § 2, as amended, and 49 C.F.R. §§ 100 – 199, as amended, unless clearly inconsistent with the purposes of this part.
2. (2) Terms which are neither defined herein nor defined in the above-mentioned act and compilation shall have their ordinary practical meaning.