atant deasuresureatant dResults of hearing testsntrolults of risk cesMeasurement dataMmeMeameoR5Step8Step1Step7Step2Step6Step3Step4Step5applicable environmentsEasy-to-use for all workersDoes not hinder workNo restrictions on Risk management fileTo the in-house safety and health committeeStreamlinedrisk managementHearing Protection ProgramData measured using noise dosimeters and sound level meters are shared within the in-house safety and health committee to implement noise mitigation measures for workers and the workplace. In future versions, electronic charts will be incorporated to better understand the correlation between noisy environments and hearing impairment through collaborative efforts with industrial physicians and industrial nurses. The ultimate goal is to achieve advanced occupational health management, including the prevention of noise-induced hearing loss.Quick and easy preparationof designated documentsQuick and easy preparationof designated documentsReport on the workplace environment measurementRecords for the specialmedical examinationGive recordsto the workerTo the labour standardsinspection officeLog keepingAutomatic calculations of risk assessmentsProposals for potential countermeasuresPast records of a workerWorkplace noise and these resultsare easily linkedPredicting effectivenessConfirming the effectiveness ofearplugs based on how they are wornWe also presented various ways to prevent noise. I think our presentations helped people in the field of occupational health learn what kind of company Rion can be. Our presentations were all met with great interest. The questions tended to focus on how to use the noise dosimeter and we learned about what aspects they are interested in. Our dosimeter was very easy to use, and that was well-received. That’s when we were sure we were on the right track in terms of the direction of development for the NB-14.”However, the overarching project goal remains ahead. The ultimate goal is to achieve zero noise-induced hearing loss, in line with research on noise-induced hearing loss prevention that began in 2019. Studies have shown that before the revi-sion of the guidelines, which had previ-ously left it up to the organizations them-selves to implement measures to prevent noise-induced impairment, more than 80% of establishments had a prevalence rate of hearing impairment of over 10%; only 60% conducted regular measure-ments of the workplace environment; and at most 30% were aware of the revised standards for hearing protection equip-ment (acoustics-hearing protectors). The Hearing Protection Program is the name of the program Nakaichi and his col-leagues launched to address these circum-stances.The Hearing Protection Program is a system for managing the risk of hearing loss as an integrated effort between med-ical institutions and the organization, which handles the storage and use of individual worker data measured using noise dosimeters. The program calculates the appropriate sound attenuation per-formance required for the noise level measured at the workplace using the NB-14 and supports the selection of hear-ing protection equipment (earplugs) suit-ed to an individual, based on fitting tests. It even includes items for enhancing sound attenuation performance through on-job training on wearing the equip-ment. The program compiles all the know-how accumulated by Rion over the years on hearing loss prevention into a single package.“I believe the growing awareness of occupational health in our society will expand the fields to which Rion can contribute in an effort to prevent noise-induced impairments.”In addition to developing the compa-ny’s own products, we’re working with the government and its affiliated organi-zations, other manufacturers, and experts to fulfill the social role of a man-ufacturer committed to preventing noise-induced hearing loss. Rion’s efforts to tackle the new challenges in the field of occupational health have just gotten underway.Daisuke YamashitaS&V Measuring Instrument Development Group, Prod-uct and Technical Development Section, Technical De-velopment Center. Since joining Rion in 2021, alongside PJ leader Naru Sato, this young engineer has contribut-ed to the design and development of NB-14 as a mem-ber of the Noise Dosimeter Development Project. His significant contributions to studies aimed at distin-guishing between impact noise and workplace noise were invaluable.Aoi TakedaNew Market Development Group, R&D Department of the Technical Development Center. Since joining Rion in 2021, she has dedicated efforts to investigation and research as a member of the Project for Preventing Noise-induced Hearing Loss. She is among the most knowledgeable researchers at Rion regarding custom-er surveys and research on occupational health.Noise dosimeterA-measurementB-measurementSafety managersHealth managersSound level meterMembers of the safety and health committeeSpeech, language,and hearing therapistIn-house safety and health committeeSafety managersHealth managersIn-house safetyand health committeeRisk assessmentNoise countermeasures for the workplaceNoise countermeasures for workersEffectiveness of earplugs(education)AudiometerIdentifying preventive measuresIndustrial nursesIndustrial physicians
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