Related Manuals for Moldex Bitrex Fit Test Kit
Summary of Contents for Moldex Bitrex Fit Test Kit
- Page 1 Moldex Fit Test Kit User Instructions Qualitative Fit Testing with Bitrex Solutions ®...
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Page 2: Table Of Contents
Content Content 1. Introduction 1.1 What is qualitative Fit Testing? | 03 1.2 What is Bitrex ® | 03 1.3 Why fit test? | 03 1.4 Equipment | 04 1.5 Additional equipment needed | 04 2. Prior to Fit Testing 2.1 Preparing the solutions | 05 2.2 Checking the nebulisers | 07 2.3 Instructing the test person | 07 2.4 Preparing the hood | 08 3. Sensitivity Test 3.1 Putting on the hood | 09 3.2 Performing Sensitivity Test | 10 3.3 After Sensitivity Test | 11 4. Fit Test 4.1 Putting on the mask | 12 4.2 Preparing the test solution atmosphere and perform Fit Test | 13... -
Page 3: Introduction
1. Introduction 1. Introduction 1.1 What is qualitative Fit Testing? A simple but effective method for checking that a tight fitting facepiece seals adequately to the wearer‘s face (FFP and half masks). P ass/fail test that relies on the test person‘s response to a test agent. I f the test person can taste the test agent through the mask at any time, the test is failed. 1.2 What is Bitrex ® A n odourless substance which is used in Fit Testing for its strong bitter taste. D eveloped for cleaning products to prevent children from drinking them. D rinking water after the Fit Test will quickly remove the taste. F urther information: www.bitrex.com 1.3 Why Fit Test? T o select a mask model which matches the test persons facial features and seals adequately to their face. T o check that the wearer can put the mask on correctly. R equired by legislation in some countries (UK). | 03... -
Page 4: Equipment
1. Introduction 1.4 Equipment The Moldex Fit Test Kit comes with equipment required to carry out multiple tests. 1x Test Hood 2 x Nebulisers (for sensitivity and test solution) 6 x 2.5 ml ampoules Bitrex sensitivity solution* ® 6 x 2.5 ml ampoules Bitrex Fit Test solution* ® 4 x Replacement nebuliser inserts 2 x Nebuliser cleaning pins 1x User instructions CD * Replacement ampoules available 1.5 Additional equipment needed: P aper towels... -
Page 5: Prior To Fit Testing
2. Prior to Fit Testing 2. Prior to Fit Testing 2.1 Preparing the solutions We suggest to wear gloves during this procedure. Every solution box contains a protective crushing sleeve. Slide the sleeve onto the ampoule all the way up to the applicator tip. Keep applicator tip pointed upward. P inch the sleeve at the top of the ampoule to break the glass inside the tube. Remove the cap on top of the nebuliser. | 05... - Page 6 2. Prior to Fit Testing Insert applicator tip into opening. Squeeze the ampoule with sleeve still on until drained. Perform these steps for both solutions, the sensitivity and the test solution and mark one nebuliser with “T” for test and one with “S” for sensivity. | 06...
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Page 7: Checking The Nebulisers
2. Prior to Fit Testing 2.2 Checking the nebulisers Make sure both caps are removed from the nebuliser. Check if nebulisers are working by spraying against a dark background. You should see a fine mist. If you cannot see the mist then the nebuliser may be blocked from crystallised Bitrex ® Solution. Makesurecapsareremoved See maintenance section for further instructions. Continue to check the nebulisers throughout the Fit Test. Youshouldseeafinemist 2.3 Instructing the test person T he test person should not eat, drink [except plain water], smoke or chew gum for at least 15 minutes before the test. Explain the reasons for Fit Testing and the Fit Test procedures to the test person. | 07... -
Page 8: Preparing The Hood
2. Prior to Fit Testing 2.4 Preparing the hood Unfold the hood. We recommend to put it over a box, basket or the back of a chair. Before the first use, remove protective paper from window panel. Fasten the top left and right press studs together. Turn the hood and unfold it again from the inside. | 08... -
Page 9: Sensitivity Test
3. Sensitivity Test 3. Sensitivity Test This test is done to ensure that the test person can detect the taste of Bitrex ® at sufficiently low levels to make the Fit Test valid. 3.1 Putting on the hood Instruct test person to put on the hood without a respirator. Position the hood forward so there is about 10 cm gap between the test person‘s face and the hood window. -
Page 10: Performing Sensitivity Test
3. Sensitivity Test 3.2 Performing Sensitivity Test The test person breathes through the mouth, with tongue slightly forwarded. Ask the test person to indicate as soon as they taste the Bitrex ® Inject up to 10 full squeezes until the person being tested indicates they can taste the Bitrex ® If nothing is detected, repeat the procedure up to a further 2 times. If nothing is detected after 30 squeezes, the test person cannot be tested with this test method. Please contact Moldex for information on alternative methods. Note the number of squeezes required. This will determine the amount of Bitrex Test ® Solution used during the Fit Test. Nothing detected? Test is not Nothing Nothing Squeeze Squeeze Squeeze applicable. detected? detected? Detected? Detected? Detected? Note 10... -
Page 11: After Sensitivity Test
3. Sensitivity Test 3.3 After Sensitivity Test Remove the hood. Ask test person to wipe mouth and wash hands. Drinking water helps to remove the taste of Bitrex solution. ® Wait a few minutes before proceeding to Fit Test. | 11... -
Page 12: Fit Test
4. Fit Test 4. Fit Test 4.1 Putting on the mask Ask test person to put on and adjust the mask. Inspect the fit of the mask and as the person to perform a fit check. If necessary, correct the fit. Make sure the chin properly moves into the mask and that the mask sits correctly on the nose. Any assistance given should be recorded on the test report and to the employer as additional training might be required. If testing a half mask, then particulate filters must be used. The test person should wear the mask for 5 minutes prior to the Fit Test. | 12... -
Page 13: Preparing The Test Solution Atmosphere And Perform Fit Test
4. Fit Test 4.2 Preparing the test solution atmosphere and perform Fit Test Instruct the test person to put on the test hood. The results of the Sensitivity Test dictate the amount of Bitrex test solution to be used ® during the Fit Test. Number of squeezes of test Number of sdqueezes Number of initial squeezes of solution to be administered administered in Sensitivity Test test solution every 30 seconds 1–10 11–20... -
Page 14: Test Exercises
4. Fit Test 4.3 Test Exercises I nstruct the test person to breathe through the mouth, with tongue slightly forwarded. A sk the test person to indicate if Bitrex ® is being tasted at any time during the test. T he test person should perform the following exercises for 60 seconds each. Normal breathing The test person should breathe normally with no head movements or talking. Deep breathing The test person should breathe slowly and deeply, taking care so as not to hyperventilate. Turning head side to side The test person should slowly turn their head from side to side while inhaling at each side. Moving head up and down The test person should slowly move their head up and down while inhaling in the up position. Talking The test person should talk out loud and slowly (for example counting backwards from 100). Bending over The test person should stand and bend at the waist as if to touch their toes, and then return to an upright position. Repeat 10-15 times. -
Page 15: Test Results
5. Test results 5. Test results I f the entire test is completed without the test person detecting the bitter taste of Bitrex ® the test is passed. I f the test person detects the bitter taste at any point the test is failed and should be stopped. The test can be repeated. S ometimes test persons are not sure if they taste something. In this case finish the test and at the end ask the test person to lift the mask. The test person will now taste Bitrex ® and give a clear answer if he/she has really detected Bitrex ® during the test. 5.1 Repeating the test B efore retesting a minimum 15 minute waiting period must be observed to allow the taste of the test agent to be removed completely. Offer the test person a drink of water. Both the sensitivity test and fit test should be repeated. I deally, the test is performed on the next day. For some people it takes two hours and longer until they loose the Bitrex taste. ® I f the second test fails, repeat test with another size and/or model of Moldex mask. B efore restarting the test it is important to review the fit of the mask for any obvious failures. | 15... -
Page 16: Most Common Reasons For Failed Fit Tests
5. Test results 5.2 Most common reasons for failed Fit Tests I ncorrect fitting of respirator Facial hair [e.g. beard, stubble etc.] Excessive facial movement during the talking section Sweating Make-up or face creams Jewellery such as nose studs Unusual facial features I n general Moldex masks pass in fit test procedures but it is quite normal that every now and then someone will fail. This doesn‘t show that there is a problem with Moldex masks in general. It is proof that the fit test procedure is working and shows how important it is to do fit testing. T here are persons that have problematic face shapes relating to respiratory protection and that is why Moldex has different masks and sizes to choose from. Test again with some other type of FFP. The Air Plus or the 7000 Series almost always fit. | 16... -
Page 17: Fit Test Record
5. Test results 5.3 Fit test record Complete the Moldex Fit Test record and explain the result to the candidate. We recommend the employer and employee both keep a copy of the Fit Test record. 5.4 How often should you Fit Test? We recommend annual Fit Testing. T here are situations where repeat testing should be carried out e.g. if the test person loses or gains weight, or develops any facial changes like scars. | 17... -
Page 18: Maintenance
6. Maintenance 6. Maintenance I mmediately after completing the test, pour away any unused solution in the nebulisers and ampoules. R inse both nebulisers with warm water and dry with paper towel. T he hood can be cleaned with a damp cloth and mild soapy water. D o not fold the hood across the window panel. 6.1 Unblocking nebulisers I f you cannot see a fine mist when using the nebuliser then it may be blocked. Use the pins provided to unblock the nozzles. If necessary, replace the nebuliser insert. | 18... - Page 19 Moldex-Metric AG & Co. KG ES Pol. Ind. Molí dels Frares GB 9 Glaisdale Point NL Ebweg 1A www.moldex-europe.com Carrer C, no. 30 Bilborough 2991 LS Barendrecht 08620 Sant Vicenc dels Horts Nottingham NG8 4GP Tel. +31 180 530053 Tel. +34 93 5889950 Tel. +44 115 9854288 Fax +31 180 530055 Fax +34 93 5889953 Fax +44 115 9854211 Head Office (DE): Tübinger Straße 50 FR Îlot Girodet - Bât. A IT Via C. Porta, 69 SE Kapplöpningsgatan 14 72141 Walddorfhäslach 26500 Bourg les Valence...
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