Annual edition
Subsec. (c). Pub. L. 102–486, §2513(a), amended subsec. (c) generally. Prior to amendment, subsec. (c) read as follows: "If the regulatory authority finds that the probable total annual production at all locations of any coal surface mining operator will not exceed 300,000 tons, the determination of probable hydrologic consequences required by subsection (b)(11) of this section and the statement of the result of test borings or core samplings required by subsection (b)(15) of this section shall, upon the written request of the operator be performed by a qualified public or private laboratory designated by the regulatory authority and the cost of the preparation of such determination and statement shall be assumed by the regulatory authority."
Source credit
Pub. L. 102–486, title XXV, §2513, Oct. 24, 1992, 106 Stat. 3112.
Nov 5, 1990 – Oct 24, 1992
Amended · full text not held
Subsec. (c). Pub. L. 101–508 substituted "300,000" for "100,000".
Source credit
Pub. L. 101–508, title VI, §6011, Nov. 5, 1990, 104 Stat. 1388–297
Aug 3, 1977 – Nov 5, 1990
Enacted · full text not held
Source credit
Pub. L. 95–87, title V, §507, Aug. 3, 1977, 91 Stat. 474
