CONTROL BOARD JUN 302004STATE OF ILLINOISiN THE MATTER Pollution Control BoardPROPOSED AMENDMENTS TO ) R04-25DISSOLVED OXYGEN STANDARD 35 ILL.) (Rulemaking - Water)ADM.
More recently, low
dissolved oxygen has been suggested to act as an endocrine disruptor in fish, reducingreproductive viability.
This document recommends a standard that includes seasonally appropriate
means and minima that more realistically account for natural fluctuations in dissolvedoxygen concentrations, while remaining sufficiently protective of aquatic life and lifestages.
Seasons reflect times when most early li...
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