Editing Earplug (section)

=== Personal attenuation rating (PAR) ===
[[File:Система производственного контроля эффективности СИЗ органа слуха.jpg|thumb|400px|left|Fit testing (MIRE)<ref name="Lee-2022">{{cite journal |author=Kah Heng Lee |author2=Geza Benke |author3=Dean Mckenzie |title=The efficacy of earplugs at a major hazard facility |journal=Physical and Engineering Sciences in Medicine |date=2022 |volume=45 |issue=1 |pages=107–114 |doi=10.1007/s13246-021-01087-y |pmid=35023076 |url=https://www.researchsquare.com/article/rs-807643/v1 |access-date=2022-08-10 |publisher=Springler |s2cid=221812245 |language=en |issn=2662-4729}}</ref>]]
Similar to a noise reduction rating (NRR) required on hearing protection devices in the United States, a personal attenuation rating (PAR) can be obtained through a [[Hearing protection fit-testing|hearing protection fit-testing system]].<ref name="AIHA-6-12">{{cite book |last1= Voix|first1=Jérémie |last2=Smith |first2= Pegeen |last3= Berger|first3=Elliott H. |editor=D.K. Meinke |editor2=E.H. Berger |editor3=R. Neitzel |editor4=D.P. Driscoll |editor5=K. Bright |title=The Noise Manual |date=2018 |publisher=American Industrial Hygiene Association |location=Falls Church, Virginia |pages=309–329 |edition=6th |url=https://online-ams.aiha.org/amsssa/ecssashop.show_product_detail?p_mode=detail&p_product_serno=2720 |access-date=10 August 2022 |language=en |chapter=Chapter 12: Field Fit-Testing and Attenuation-Estimation Procedures}}</ref> The PAR is subtracted from the measured noise exposure to estimate the total noise exposure an individual is receiving when wearing hearing protection. The PAR is regarded as more accurate than the NRR because it is calculated per individual and per hearing protection device, while NRR is a generalized estimate of potential sound reduction based on the protection provided to a small population of people.<ref>{{Cite web|url=http://www.caohc.org/updatearticles/winter2013.pdf?version=012914|title=Comparing personal attenuation ratings for hearing protector fit-test systems|last=Murphy|first=William|date=2013|website=Council for Accreditation in Occupational Hearing Conservation|access-date=2018-12-28}}</ref><ref name="EN-2021" />

In order to achieve significant attenuation, fit-testing and extensive personalized (one-on-one) training was found to be essential, whereas simple instructions did not lead to significant attenuation ove giving no instructions at all.<ref name=":4">{{Cite journal |last=Morata |first=Thais C. |last2=Gong |first2=Wei |last3=Tikka |first3=Christina |last4=Samelli |first4=Alessandra G. |last5=Verbeek |first5=Jos H. |date=2024-05-17 |title=Hearing protection field attenuation estimation systems and associated training for reducing workers' exposure to noise |url=https://pubmed.ncbi.nlm.nih.gov/38757544 |journal=The Cochrane Database of Systematic Reviews |volume=5 |issue=5 |pages=CD015066 |doi=10.1002/14651858.CD015066.pub2 |issn=1469-493X |pmc=11099959 |pmid=38757544}}</ref>

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