(a) Congressional statement of findings and purposeThe Congress finds and declares that acid precipitation resulting from other than natural sources—
(b) Congressional declaration of purposeThe Congress declares that it is the purpose of this subchapter—
(3)
based on the results of the research program established by this subchapter and to the extent consistent with existing law, to take action to the extent necessary and practicable (A) to limit or eliminate the identified emissions which are sources of acid precipitation, and (B) to remedy or otherwise ameliorate the harmful effects which may result from acid precipitation.
(c) “Acid precipitation” defined
For purposes of this subchapter the term “acid precipitation” means the wet or dry deposition from the atmosphere of acid chemical compounds.