System Size (Persons Served) | Number of Sites (Standard Monitoring) | Number of Sites (Reduced Monitoring) |
More than 100,000 | 100 | 50 |
10,001-100,000 | 60 | 30 |
3,301 to 10,000 | 40 | 20 |
501 to 3,300 | 20 | 10 |
101 to 500 | 10 | 5 |
100 or fewer | 5 | 5 |
Ill. Admin. Code tit. 35, pt. 611, subpt. AG, tbl. D
BOARD NOTE: Derived from 40 CFR 141.86(c) (2012).