IN THE MATTER OF:WATER QUALITY STANDARDS ANDEFFLUENT LIMITATIONS FOR THECHICAGO AREA WATERWAY SYSTEMAND THE LOWER DES PLAINESRIVER: PROPOSED AMENDMENTS TO35 Ill.
5.
On page 3, last sentence you make the statement that "Natural systems are complex and
subject to multiple factors."A.
Would you explain what these factors are? B.
Were there any other causes? D.
On what data do you base this? D. Are you aware of any river otter census performed in the CAWS ever?
Allowed
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