ILLINOIS POLLUTION CONTROL

BC$\~

December 20,

1977

IN THE MATTER OF AMENDMENT TO

CHAPTER 4, MINE RELATED

)

R76-7

POLLUTION,

RULE 704

INTERIM ORDER OF THE BOARD

(by Dr. Satchell):

The Board finds that to date the evidence presented

in this proceeding lacks sufficient information to com-

pletely abrogate the total dissolved solids water quality

standard of the Chapter

4:

Mine Related Pollution Regu-

lations.

To remedy this situation the Board will request

the proponents,

the Illinois Coal Operators Association

and Mid—West Coal Producers Institute,

Inc.,

to present

further evidence concerning the feasibility of the mining

industry controlling TDS through mining methods.

The Board notes that impoundment with controlled

release during periods of high flow in the receiving streams

has been used as a control

in some cases.

Recent studies

suggest that overburden core analysis might be useful in

developing mining methods to partially alleviate TDS problems.

IT IS SO ORDERED.

I,

Christan L. Moffett, Clerk of the Illinois Pollution

Control Board, hereby certify t e above Interim Order was

adopted on the c?~’

day of

_____________,

1977 by a vote

of

~-o

.

Christan L. Mof~4~,Clerk

Illinois Polluti~ Control Board

28

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