The EIS should not exceed 150 pages in length (300 pages for very complex proposals), and must contain the following (detailed content is discussed in appendix E of this part):
    
    
    
    
    
        
        (d) 
         Purpose of and need for the action.
     
    
        
        (e) 
         Alternatives considered, including proposed action and no-action alternative.
     
    
        
        (f) 
         Affected environment (baseline conditions) that may be impacted.
     
    
        
        (g) 
         Environmental and socioeconomic consequences.
     
    
    
    
    
        
        (k) 
         Appendices (as appropriate).