35 Ill. Adm. Code 604.125
Automatic Equipment
Section 604.125Â Automatic Equipment
a)Â Â Â Â Â Â Â Â Equipment
that will automatically shut down a water treatment process is acceptable,
provided restart procedures are manual.
b)Â Â Â Â Â Â Â Â Automatic
startup must be allowed for treatment plants that treat only groundwater and
have only unit processes not exposed to contamination. Examples include iron
removal by protected aeration, enclosed retention and pressure sand filtration
or ion exchange softening in a pressure vessel operated in a downflow mode.