§604.425. Other Methods of Aeration

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Other methods of aeration may be used if applicable to the treatment needs. The treatment processes must be designed to meet the particular needs of the water to be treated and must be approved by the Agency. Such methods include:

a)         spraying;

b)         diffused air;

c)         cascades;

d)         mechanical aeration; or

e)         natural draft aeration.

                    
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