[Code of Federal Regulations]
[Title 40, Volume 24]
[Revised as of July 1, 2005]
From the U.S. Government Printing Office via GPO Access
[CITE: 40CFR230.73]

[Page 274-275]
 
                   TITLE 40--PROTECTION OF ENVIRONMENT
 
         CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED)
 
PART 230_SECTION 404(b)(1) GUIDELINES FOR SPECIFICATION OF DISPOSAL 
SITES FOR DREDGED OR FILL MATERIAL--Table of Contents
 
              Subpart H_Actions To Minimize Adverse Effects
 
Sec. 230.73  Actions affecting the method of dispersion.

    The effects of a discharge can be minimized by the manner in which 
it is dispersed, such as:
    (a) Where environmentally desirable, distributing the dredged 
material widely in a thin layer at the disposal site to maintain natural 
substrate contours and elevation;
    (b) Orienting a dredged or fill material mound to minimize 
undesirable obstruction to the water current or circulation pattern, and 
utilizing natural bottom contours to minimize the size of the mound;
    (c) Using silt screens or other appropriate methods to confine 
suspended particulate/turbidity to a small area where settling or 
removal can occur;
    (d) Making use of currents and circulation patterns to mix, disperse 
and dilute the discharge;
    (e) Minimizing water column turbidity by using a submerged diffuser 
system. A similar effect can be accomplished by submerging pipeline 
discharges or otherwise releasing materials near the bottom;
    (f) Selecting sites or managing discharges to confine and minimize 
the release of suspended particulates to give decreased turbidity levels 
and to

[[Page 275]]

maintain light penetration for organisms;
    (g) Setting limitations on the amount of material to be discharged 
per unit of time or volume of receiving water.