33 



5 



1 the United States will result from any such activity. Such 



2 standards shall require, in part, that any person before de- 



3 positing or discharging such materials into the navigable and 



4 coastal waters of the United States and into any international 



5 waters must present sufficient evidence that discharging such 

 ^ materials iu the location in which they are to be deposited 

 '^ will not endanger the natural environment and ecology of 

 ^ these waters. Such standards shall further include the 

 ^ following: 



1^ "(1) No sewage or industrial waste shall be dis- 



^^ charged (directly or indirectly) into any area subject to 



^^ standards issued under subsection (a) of this section 



^^ after January 1, 1973, unless such sewage or industrial 



waste has received "at least" primary treatment "or 

 such other treatment equal to primary treatment" in 



accordance with standards and regulations established by 



17 



the Secretary of the Interior. 



18 



" (2) No sewage or industrial waste shall be dis- 

 charged (directly or indirectly) into any area subject 



20 



to standards issued under subsection (a) of this section 



21 



after January 1, 1975, unless such sewage or industrial 



22 



waste has received "at least" primary and secondary 



23 



treatment "or such other treatment equal to primary and 



24 



secondary treatment" in accordance with standards and 



25 



regulations established by the Secretary of the Interior. 



