36 



1 ment, agency, instrumentality, or person has acted or is 



2 acting in compliance with this section. 



3 "(c) The Secretary of the Interior is authorized to 



4 issue new standards and to amend existing standards from 



5 time to time as he determines necessary. Such new or 



6 amended standards, after notice, shall he considered as initial 

 '^ standards issued under subsection (a) of this section for the 



8 purpose of their application to the States under this section. 



9 " (d) If a State, within one year of the date that a 



10 Federal standard is established under subsection (a) of this 



11 section, estabhshes its own standard with respect to the 



12 activity covered by such Federal standard which the Secre- 



13 tary of the Interior determines, after public hearing, is equal 

 ^^ to or more stiingent than such Federal standard, and if the 



Secretary of the Interior determines that there are adequate 



1" State enforcement procedures for such State standard, then 



* such State standard shall apply to such activity within the 



1° State's jurisdiction, and the Federal standard shall not apply. 



If the Secretary of the Interior determines that such State 



standard is not as stringent as the Federal standard, then 



the Federal standard shaU apply to such activity in such 



^^ State. 



"(e) Whenever a State's standard is appHcable within 



24 .... 



the jurisdiction of that State it shall continue to be apphcable 



or; 



until the Secretary of the Interior, after public hearing, de- 



