Moldex BITREX User manual

A. EQUIPMENT REQUIRED
1. Hood
2. Nebulizer #1 (BITREX®Sensitivity Solution)
3. Nebulizer #2 (BITREX®Fit Test Solution)
4. Two sets Replacement Nebulizer Inserts
5. BITREX Fit Test Solution Applicator Tube (#0504)
6. BITREX Sensitivity Solution Applicator Tube (#0503)
7. Appropriate Moldex®Respirators*
*Use with any Moldex N, R or P class disposable respirator. This
fit test kit may also be used with any Moldex half mask respirator
by using any N, R or P class filter.
B. NEBULIZER PRE-INSPECTION AND
PREPARATION
1. Remove the top half of the nebulizer by unthreading it from the
bottom half. (Repeat for each nebulizer)
2. Using your index finger lightly push
down on the Atomizer to ensure that it
is pushed down all the way onto the
bottom half of the nebulizer.
*See Figure 1 (Repeat for each
nebulizer).
3. Inspect and ensure that the black O-ring
is properly seated. (Repeat for each
nebulizer)
4. Replace the top half of nebulizer and remove plug from
nebulizer exhaust port. (Repeat for each nebulizer)
5. Use rubber or other protective gloves prior to next step.
6. Get one Sensitivity Solution applicator
tube from box of (6) part #0503 and
hold upright and squeeze several times
until glass ampoule is crushed. Insert
applicator tip into the Exhaust Port of
the nebulizer labeled “Sensitivity
Solution” and squeeze the applicator
until drained. Use the foam cushion
insert in the Fit Test kit to hold the
nebulizer(s) upright. See Figure 2
7. Get one Fit Test Solution applicator tube from box of (6) part
#0504 and hold upright and squeeze several times until glass
ampoule is crushed. Insert applicator tip into the Exhaust Port of
the nebulizer labeled “Test Solution” and squeeze the
applicator until drained.
8. Ensure that each nebulizer is able to produce solution mist via
the exhaust port by removing plug from Breather Vent and
squeeze bulb 4 – 5 times. If solution mist is not visible or seems
very weak, carefully (so not to spill the solution) remove the top
half of the nebulizer by unthreading it from the bottom half and
repeat #2 above. (Repeat for each nebulizer)
C. TASTE SENSITIVITY SCREENING
Purpose: This test is done to ensure that the person being fit tested
can detect the taste of BITREX at sufficiently low levels to make the fit
test valid.
1. Ensure that the test subject does not eat, drink, smoke or chew
gum for 15 minutes before the test.
2. Explain the screening and fit testing procedures to the subject.
3. Instruct subject to put on the hood without a respirator.
4. Position the hood forward so there is about six inches between
the subject’s face and the window. This is especially important
for the fit test. It allows free movement of the head when the
subject is wearing a respirator and helps ensure even dispersion
of the aerosol around the face seal area.
5. Instruct the test subject to breathe with their mouth slightly open
and tongue extended.
6. Using the nebulizer labeled BITREX Sensitivity Solution, inject the
aerosol into the hood through the hole in front of the enclosure.
Inject ten (10) squeezes of the bulb, fully collapsing and fully
expanding the bulb on each squeeze.
7. Ask the subject if he can detect the bitter taste of BITREX.
8. If the subject does not detect bitter taste, inject an additional ten
squeezes into the hood.
9. If the subject still does not detect bitter taste, inject an additional
ten squeezes, for a total of 30 squeezes.
10. If 30 squeezes were inadequate to elicit a response from the
subject, this subject cannot be fit tested with the BITREX test.
Another fit test method must be used.
11. If the subject could detect bitter taste, the number of squeezes
required to produce a taste response should be noted, i.e.,
10, 20 or 30 squeezes, even if subject tasted the BITREX on a
number of squeezes other than multiples of ten.
12. Remove the hood. Wait a few minutes, to give the subject time
to clear the taste from his mouth, before proceeding to the fit
test. A drink of water during this time will aid in removing the
bitter taste. Use a paper towel to wipe the subject’s mouth of
any residue (also wipe mustaches).
Figure 1
Figure 2
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D. FIT TEST
1. Use any Moldex disposable N, R or P series class disposable
respirator or any Moldex half mask respirator with any N, R
or P series filter.
Have the test subject put on and adjust the respirator per the
instructions provided with the respirator. Have the subject
select the size respirator that provides the best fit. The subject
may find a mirror useful in the adjustment process. The subject
should wear the respirator at least five (5) minutes before
starting the test.
2. Instruct the subject to put on and position the hood as
before and breathe with their mouth slightly open and
tongue extended.
3. Using the nebulizer labeled BITREX Fit Test Solution, inject the
fit test aerosol into the hood. The same number of squeezes is
required as was necessary to elicit a response in the threshold
sensitivity screening test, i.e., 10, 20 or 30 squeezes.
4. To maintain an adequate concentration of aerosol during the
test, one half of the initial number of squeezes should be
injected again every 30 seconds (i.e., 5, 10, or 15)
throughout the test.
5. After injecting the aerosol initially, ask the test subject to
perform the following exercises for 60 seconds each:
(a) Normal breathing.
(b) Deep breathing.
(c) Turning head from side to side, stopping at each end of
travel for one or two breaths.
(d) Moving head up and down, stopping at each end of
travel for one or two breaths.
(e) Talking, reciting the alphabet, or reading a prepared
text (the Rainbow Passage is recommended, see below).
(f) Jogging in place.
(g) Normal breathing.
6. Instruct the subject to indicate if they detect the bitter taste at
any time during the test.
7. If the entire test is completed without the subject detecting
the bitter taste of the aerosol, the test is passed and
the respirator’s fit on that individual is judged adequate.
8. At any time during the test, if the subject detects the bitter
taste of the aerosol the test is stopped at this point. When
this occurs, the fit of the respirator on the subject is judged
inadequate.
9. If the test is failed, before retesting the subject, a 15-minute
waiting period must be observed and the taste sensitivity
screening test must be performed again. Test again with same
Moldex model.
10. If the second test fails, repeat tests with another size and/or
model Moldex respirator.
11. Document results of fit tests for each employee.
RAINBOW PASSAGE
OSHA
This fit test meets the performance criteria for fit testing half mask
respirators under current OSHA Standards.
OSHA regulation 1910.134 (f) requires that the user be fit
tested before being assigned a respirator.
CLEANING
Immediately after completing the test, discard any unused solu-
tions. Rinse the nebulizers with warm water to prevent clogging.
Wipe inside of the hood with a damp cloth or paper towel to
remove any deposited Test Solution.
FOR TECHNICAL ASSISTANCE CALL MOLDEX
TECHNICAL SERVICE DEPARTMENT
[phone] ext. 512/550, or [phone] ext. 512/550.
LIMITED WARRANTY IMPORTANT NOTICE TO PURCHASER
This limited warranty is made in lieu of the warranties of mer-
chantability, fitness for particular purposes and all other war-
ranties, express or implied. There are no other warranties which extend
beyond the description on the face hereof. The physical standards and specifica-
tions of Moldex will be met by products sold. Exclusive Remedies: damages
for the breach of this limited warranty are limited to the replacement of such quanti-
ty of Moldex, products proved to be defectively manufactured. Except as provided
above, Moldex shall not be liable or responsible for any loss, damage, or liabili-
ty, direct, indirect, incidental, special, or consequential, arising out of sale, use, or
misuse, or the inability to use products by the user.
DISTRIBUTED BY:
When the sunlight strikes raindrops in the air, they act like a
prism and form a rainbow. The rainbow is a division of
white light into many beautiful colors. These take the shape
of a long arch, with its path high above, and its two ends
apparently beyond the horizon. There is, according to legend,
a boiling pot of gold at one end. People look, but no one
ever finds it. When a man looks for something beyond his
reach, his friends say he is looking for the pot of gold at the
end of the rainbow.
MOLDEX-METRIC, INC.
10111 W. Jefferson Blvd. Culver City, CA 90232
[phone] or [phone] FAX [phone]
www.moldex.com e-mail: [email protected]
CANADIAN CUSTOMER SERVICE
TEL: [phone], Ext. 517
Fax: [phone]
Made in the U.S.A. 9700-702 REV H 07/08
Moldex and Ideas that wear well are registered trademarks.
The PVC-Free logo and the mesh design are trademarks of Moldex-Metric, Inc.
U.S. Patents #D285,374 and #4,850,374.
Made in the U.S.A. 9700-702 REV I 12/09
Ideas that wear well.
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