53 



3 



1 '' (iii) species and community population 



2 dynamics. 



3 "(E) The persistence and permanence of the effects 



4 of the dumping. 



5 "(F) The effect of dumping of particular volumes 



6 and concentrations of such materials. 



7 "(Gr) Appropriate locations and methods of dis- 



8 posal, including land-based alternatives. 



9 " (2) The Administrator may establish and issue various 



10 categories of permits, including general permits for the dis- 



11 charge of any class of waste material which he determines 



12 will have a de minimis impact. 



13 "(3) Each permit issued under the authority of this 

 ,14 section shall specify — 



15 '' (A) the type and amount of waste material author- 



16 ized to be dumped ; 



17 "(B) the location at which such dumping is per- 



18 mitted ; 



19 "(C) the length of time for which the permit is 



20 valid and its expiration date ; 



21 "(D) any special provisions deemed necessary by 



22 the Administrator for the monitoring and surveillance of 



23 the dumping ; and 



