Illinois Administrative Code
Title 35 - ENVIRONMENTAL PROTECTION
Part 653 - DESIGN, OPERATION AND MAINTENANCE CRITERIA
Subpart H - CROSS-CONNECTIONS
Section 653.805 - Fire Protection Systems
Universal Citation: 35 IL Admin Code ยง 653.805
Current through Register Vol. 48, No. 38, September 20, 2024
A reduced pressure principle backflow preventers shall be installed to protect the community water supply against backflow and backsiphonage when:
a) the fire safety system contains antifreeze, fire retardant or other chemicals;
b) water is pumped into the fire safety system from another source; or
c) water flows into the fire safety system by gravity from a non-potable source; or
d) there is a connection whereby water can be pumped into the fire safety system from any other source.
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