50 Ill. Adm. Code 9130.10
Causal Connection
Section 7130
Section 9130.10 Causal
Connection
a) The Workers' Compensation Commission shall use the following
rebuttable presumptions to determine whether exposure between July 1, 1975 and
September 15, 1980, to industrial noise caused a hearing loss:
1) Exposure to noise with the intensity of 90 decibels or more
for 8 hours or its time weighted equivalent causes hearing loss, and
2) Exposure to noise with the intensity of less than 90 decibels
or less for eight hours or its time weighted equivalent does not cause hearing
loss.
b) Cases with a date of last exposure after September 15, 1981,
shall be determined pursuant to Section 8(e)(16) of the Workers' Compensation
Act [820 ILCS 305/8(e)(16)].