IT IS SO ORDERED .

ILLINOIS POLLUTION

O RIGINAL

CONTROL BOARD

April 23, 2007

arie E. Tipsord

Hearing Officer

Illinois Pollution Control Board

100 West Randolph, Suite 11-500

Chicago, Illinois 60601

(312) 814-4925

ti psorm(~ipcbstate

. ii. us

RECEIVEDCLERK'S

OFFICE

APR 2 3 2007

IN THE MATTER OF

:

)

Pollution

STATE OF

Control

ILLINOIS

Board

TRIENNIAL REVIEW OF SULFATE AND )

R07-9

TOTAL DISSOLVED SOLIDS WATER

)

(Rulemaking - Water)

QUALITY STANDARDS

: PROPOSED )

AMENDMENTS TO 35 ILL

. ADM . CODE )

302 .102(b)(6), 302

.102(b)(8), 302 .102(b)(10),

)

302 .208(g), 309

.103(c)(3), 405 .109(b)(2)(A), )

409.109(b)(2)(B), 406

.100(d); REPEALER OF)

35 ILL. ADM

. CODE 406 .203 and Part 407 ; )

and PROPOSED NEW 35 ILL

. ADM . CODE )

302.208(h)

)

HEARING OFFICER ORDER

The Board has held two hearing in this matter

. The first hearing was held on March 7,

2007, in Springfield and the second on April 23, 2007, in Chicago

. The hearings have

concluded

. At the close of the hearing a discussion was held off the record and a date for filing

of post-hearing comments was agreed upon

. The date for post-hearing comments to be filed is

June 7, 2007

. In order for a comment to be considered by the Board in making a decision, all

comments must be filed by June 7, 2007