12
The filter and cartridge should be
changed when an odor is sensed
through the respirator. The use
of respirators is optional for work
on circuit breakers whose in-
terrupter units are not large
enough for a man to enter and
the units are well ventilated.
changed when an odor is sensed
through the respirator. The use
of respirators is optional for work
on circuit breakers whose in-
terrupter units are not large
enough for a man to enter and
the units are well ventilated.
Air-line-type respirators should
be used when the cartridge type
is ineffective due to providing too
short a work time before the
cartridge becomes contaminated
and an odor is sensed.
be used when the cartridge type
is ineffective due to providing too
short a work time before the
cartridge becomes contaminated
and an odor is sensed.
When an air-line respirator is
used, a minimum of two working
respirators must be available on
the job before any employee is
allowed to enter the circuit
breaker tank.
used, a minimum of two working
respirators must be available on
the job before any employee is
allowed to enter the circuit
breaker tank.
6.3.3 Disposal of waste.- All
materials used in the cleanup
operation for large quantities of
materials used in the cleanup
operation for large quantities of
SF
6
arc products shall be placed in a 55-
gal drum and disposed of as
hazardous waste. The following
items should be disposed of:
gal drum and disposed of as
hazardous waste. The following
items should be disposed of:
a. All solid arc products
b. All disposable protective
clothing
c. All cleaning rags
d. Filters from respirators
e. Molecular sieve from breaker
and gas cart
f. Vacuum filter element.
(FIST 3-16 1/92)