As used in this part, the term:

(a) Act means the Recreation and Public Purposes Act as amended by section 212 of the Federal Land Policy and Management Act of 1976.

(b) Authorized officer means any employee of the Bureau of Land Management who has been delegated the authority to perform the duties described in this part.

(c) Public lands means any lands and interest in lands administered by the Bureau of Land Management, except lands located on the Outer Continental Shelf and lands held for the benefit of Indians, Aleuts and Eskimos.

(d) Public purpose means for the purpose of providing facilities or services for the benefit of the public in connection with, but not limited to, public health, safety or welfare. Use of lands or facilities for habitation, cultivation, trade or manufacturing is permissible only when necessary for and integral to, i.e., and essential part of, the public purpose.

(e) Conveyance means a transfer of legal title. Leases issued pursuant to subpart 2912 of this title are not conveyances.

(f) Hazardous substance means any substance designated pursuant to Environmental Protection Agency regulations at 40 CFR part 302.

(g) Solid waste means any material as defined under Environmental Protection Agency regulations at 40 CFR part 261.