| (a) Design requirement. Disinfectant equipment and
systems constructed on or after the effective date of this subchapter
shall be planned and designed by a licensed engineer.
(b) Disinfectant agent. Lagoon water shall be continuously
disinfected by a disinfectant agent with a residual that can be easily
measured by simple and accurate field tests, unless the department
has approved an alternate method of disinfectant.
(c) Training and protection. Personnel responsible
for the operation of the disinfectant agent and other potentially
hazardous chemicals shall be properly trained and provided with appropriate
protective equipment and clothing, including rubber gloves and goggles,
safety information, and safety data sheets. Safety data sheets covering
all chemicals for which personnel are responsible shall be kept on
site and readily available.
(d) Monitoring controllers. Automated, manual, or remotely
managed controllers shall be installed for monitoring and turning
on or off chemical feeders used for pH and disinfectants.
(e) Instructions. Operation manuals or other instructions
that give clear directions for cleaning and calibrating automated
controller probes and sensors shall be kept in close proximity to
the automated controller.
(f) Storage.
(1) Disinfectant agents and other chemicals and feed
equipment shall be stored so that users do not have access.
(2) Dry chemicals shall be stored off the floor in
a dry, above-ground-level room and protected against flooding or wetting
from floors, walls, and ceiling.
(3) Chlorine compounds shall not be stored in the same
storage room or storage area as petroleum products.
(g) Labeling. All chemical bulk and day tanks shall
be clearly labeled to indicate the tank's contents.
(h) Chlorine gas prohibited. Use of compressed chlorine
gas is prohibited.
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