40 Chapter
4
•
Leaking respirator probe or fit test adapter
Make certain the respirator probe (if used) or fit test adapter does not
leak around the outside.
•
P
ORTA
C
OUNT
®
P
RO
fit tester sample tube leaks where attached to probe
or adapter due to wear.
Cut a short piece off the end of the tube to expose a fresh end.
•
Hair interfering with face seal.
Make sure there is no hair between the respirator face seal and the
individual's skin.
•
Hair or foreign material in exhalation valve.
Make sure the exhalation valve is clear. A single hair can make a big
difference.
•
Cigarette smoker.
Do
not
allow the individual to smoke for
at least
30 minutes prior to the
fit test.
