35 Ill. Adm. Code 750.304
Communications
Section 750
Section 750.304
Communications
a) Notice of a release of a hazardous substance in an amount
equal to or greater than the reportable quantity shall be made at the earliest
practicable moment following discovery of the incident or accident pursuant to
the procedures in the IESDA rules for telephone notification (29 Ill. Adm. Code
430).
b) The IESDA notification telephone number is 217/782-7860.