15 CFR 908.1: Definitions.

As used in this part, terms shall have the meaning ascribed in this section.

(a) Administrator. The Administrator of the National Oceanic and Atmospheric Administration.

(b) Person. Any individual, corporation, company, association, firm, partnership, society, joint stock company, any State or local government or any agency thereof, or any other organization, whether commercial or nonprofit, except where acting solely as an employee, agent, or independent contractor of the Federal government.

(c) Weather modification activity. Any activity performed with the intention of producing artificial changes in the composition, behavior, or dynamics of the atmosphere.

(d) United States. The several States, the District of Columbia, the Commonwealth of Puerto Rico, and any territory or insular possession of the United States.

(e) Persons whose activities relate to weather modification. Persons engaged in weather modification activities or engaged in the distribution or sale of weather modification apparatus or materials known by them to be destined for use in weather modification activities.

(f) Project. A related series of weather modification activities having a common objective.

(g) Target area. The ground area within which the effects of the weather modification activity are expected to be found.

(h) Control area. A preselected, untreated ground area used for comparison with a target area.

(i) Weather modification apparatus. Any apparatus used with the intention of producing artificial changes in the composition, behavior, or dynamics of the atmosphere. For example: Seeding generators, propane devices, flares, rockets, artillery projectiles, jet engines, etc.

(j) Sponsor. The primary person for whom the weather modification activity is performed.

(k) Operator. The person who is primarily responsible for carrying out the weather modification activity.