§304.204. Schoenberger Creek: Groundwater Discharges

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a) This rule applies to discharges from an existing facility owned by Pfizer Corporation to Schoenberger Creek immediately south of the Baltimore and Ohio main tracks in T2N, R9W of the 3rd P.M., St. Clair County.

b) This rule applies only to discharges of groundwater used as non-contact cooling water in which naturally occurring background concentrations have not been increased by industrial or other human use.

c) Instead of the general effluent standards in Section 304.124 for the listed parameters, these discharges must not exceed the following limitations:

CONSTITUENT		CONCENTRATION mg/L

Iron (total)		20
Total Suspended Solids		37

(Source: Amended at 47 Ill. Reg. 4601, effective March 23, 2023)

                    
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