1. Conduct
Experimental Tests
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![Pros Pros](https://webarchive.library.unt.edu/eot2008/20090507210544im_/http://www.osha.gov/SLTC/etools/respiratory/images/thumbup.gif) |
Can save money by providing a more
accurate service life value instead of relying on conservative assumptions made by other methods
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![Pros Pros](https://webarchive.library.unt.edu/eot2008/20090507210544im_/http://www.osha.gov/SLTC/etools/respiratory/images/thumbup.gif) |
Most reliable method, especially for multiple contaminants
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![Pros Pros](https://webarchive.library.unt.edu/eot2008/20090507210544im_/http://www.osha.gov/SLTC/etools/respiratory/images/thumbup.gif) |
Can be used to validate an existing change schedule
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![Cons Cons](https://webarchive.library.unt.edu/eot2008/20090507210544im_/http://www.osha.gov/SLTC/etools/respiratory/images/thumbdown.gif) |
Will likely take time and money to perform the tests
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2. Use the
Manufacturer's Recommendation
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![Pros Pros](https://webarchive.library.unt.edu/eot2008/20090507210544im_/http://www.osha.gov/SLTC/etools/respiratory/images/thumbup.gif) |
Can result in a more accurate estimate for your particular brand of
respirator
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![Pros Pros](https://webarchive.library.unt.edu/eot2008/20090507210544im_/http://www.osha.gov/SLTC/etools/respiratory/images/thumbup.gif) |
Relies on the manufacturer's broad knowledge and expertise
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![Cons Cons](https://webarchive.library.unt.edu/eot2008/20090507210544im_/http://www.osha.gov/SLTC/etools/respiratory/images/thumbdown.gif) |
May not be possible if the manufacturer is unable to provide a
recommendation
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![Cons Cons](https://webarchive.library.unt.edu/eot2008/20090507210544im_/http://www.osha.gov/SLTC/etools/respiratory/images/thumbdown.gif) |
May not account for all workplace and user factors adequately
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![Pros Pros](https://webarchive.library.unt.edu/eot2008/20090507210544im_/http://www.osha.gov/SLTC/etools/respiratory/images/thumbup.gif) |
Inexpensive and takes little time
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![Pros Pros](https://webarchive.library.unt.edu/eot2008/20090507210544im_/http://www.osha.gov/SLTC/etools/respiratory/images/thumbup.gif) |
Requires no math calculations if you use the Advisor Genius
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![Cons Cons](https://webarchive.library.unt.edu/eot2008/20090507210544im_/http://www.osha.gov/SLTC/etools/respiratory/images/thumbdown.gif) |
Not as accurate as experimental testing. May result in a service life
estimate that is shorter than it needs to be due to conservative assumptions
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![Cons Cons](https://webarchive.library.unt.edu/eot2008/20090507210544im_/http://www.osha.gov/SLTC/etools/respiratory/images/thumbdown.gif) |
Generally limited to single contaminant situations
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