SURVIVAIR Opti-Fit
™
Convertible Facepiece
29
WARNING─Continued
● You must leave the work area imme
-
diately if the facepiece-to-face seal is
disturbed for any reason, such as:
a. Slippage due to sweating or ex-
cessive head movement.
b. The facepiece becomes dislodged
as a result of being knocked.
c. Sneezing or coughing while wear
-
ing the facepiece.
d. You need to blow your nose,
scratch your face, or adjust your
spectacles.
e. For any other reason that would
cause the facepiece seal to be dis-
turbed.
● You must restore the facepiece-to-
face seal and perform a fit check in
a non-hazardous environment before
re-entering the work area.
● FAILURE TO COMPLY WITH THIS
WARNING MAY LEAD TO PERSONAL
INJURY, ILLNESS, OR DEATH.
7. Doffing Instructions for PAPR Configurations
1. Loosen the two lower head straps completely
(for five strap head harness or Headnet).
2. Grasp the nozzle firmly, and pull the facepiece
upward over the head.
8. Chemical and Particulate Filter Service Life
and Replacement
1. Chemical Cartridge Service Life– Belt-mounted
PAPR Configuration
WARNING
● OSHA allows the use of air purifying
respirators for protection against
contaminants with poor warning
properties. You must replace car-
tridges when the end-of-service-life
indicator (ESLI) has changed color
or in accordance with an OSHA
compliant cartridge change-out
schedule that is based on objective
information or data that ensures the
cartridges are changed before the
end of their service life.
● You must immediately leave the
contaminated area if you taste or
smell contaminants, or if your eyes
or throat become irritated. Replace
cartridges and/or filters before re-
entering the contaminated area.
WARNING─Continued
● Establishing the cartridge service
life for mixtures of contaminants is a
complex task, and one that requires
considerable professional judgment
to create a reasonable change-out
schedule. OSHA provides a “rule-
of-thumb” method for determining
the cartridge service life for mix-
tures. The method addresses two
situations. The first is where the in-
dividual compounds of the mixture
have similar breakthrough times
(i.e., within one order of magnitude).
In this case, OSHA recommends
adding the concentrations of all the
components of the mixture to deter-
mine a “total concentration,” then
determine the mixture service life
by applying the total concentration
to the component with the shortest
service life. The second is where
the individual compounds have
breakthrough times that vary by
two orders of magnitude or greater.
In this case, OSHA recommends
the mixture service life be base on
the contaminant with the shortest
breakthrough time. The OSHA rule-
of-thumb methods may not be ap-
plicable for all mixtures. In some
cases, the actual mixture service life
may be much lower than the one cal-
culated. For this reason, SPERIAN
recommends that the cartridge ser-
vice life for mixtures be determined
using experimental methods. If you
are unsure of how to determine the
cartridge service life for mixtures,
please contact SPERIAN.
● FAILURE TO COMPLY WITH THIS
WARNING MAY LEAD TO PERSONAL
INJURY, ILLNESS, OR DEATH.
The cartridge service life depends on the user’s
breathing rate, the characteristics of the contami-
nant, and the environmental conditions such as
temperature and humidity. Saturated cartridges will
leak trace amounts of contaminant to the wearer,
which may be detected by odor, taste, and/or ir-
ritation. Replace cartridges when the end-of-ser-
vice-life indicator (ESLI) has changed color, at the
first trace of the characteristic contaminant odor
or taste, at regularly scheduled intervals recom-
mended by your safety professional, if they show
any signs of damage, or in accordance with an
OSHA compliant cartridge change-out schedule.
The service life of the cartridge can be estimated
using SPERIAN’s cartridge service life estimation
program, available from SPERIAN. Always replace
all cartridges at the same time.
