(430 ILCS 95/4) (from Ch. 111 1/2, par. 7604)

Sec. 4. No less than 10 days prior to any regulated release, the person proposing to commence such release shall send written notice giving summary details of such proposed release to the chief executive officer of the county in which the release is proposed and to the mayor or president of any municipality in such county if the release is within its corporate limits. A copy of the written notice shall be sent to the reviewing Department at the same time as such notice is sent to the appropriate local officials.

(Source: P.A. 86-306.)