IN THE MATTER OF: 1) PROPOSED AMENDMENTS TO: '> R07-00935 Ill.
Adm.
Code 406.203 Part 407, and 1
PROPOSED NEW 35 Ill.
I have been
Watershed Scientist at Prairie Rivers Network since 2005.
We understand that in some cases, mining
operations use calcium hydroxide in their processing, which could result in the presence oflarge amounts of calcium in effluent.
The
proposal, as written, lacks this information for waters with chloride concentrations of over500 mg/L when hardness is less than or equal to 500 mg/L.Mixing ZonesMore critically, we believ...
Allowed
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