Dangerous Noise Levels Leave Farmers at Risk for Hearing Loss

Coleman, Matthew

doi:10.1097/01.hj.0000414406.03578.b7

Cited by 2 publications

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“…The prolonged and cumulative effect of exposure to excessive noise or peak noise of shotguns also causes hearing damage [21]. Farming equipment, such as grain dryers, circular saws, tractors, hand drills, and combines, have noise levels above 85dB [22]. In New Zealand, where a personal noise dosimetry was conducted, the mean noise exposure level was 86.6Db (A) for sheep farmers and 85.7dB(A) for mixed farmers.…”

Section: Discussionmentioning

confidence: 99%

Hearing impairment among Korean farmers, based on a 3-year audiometry examination

Lee

2019

Ann Agric Environ Med.

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Introduction and objective. Work noise exposure among farmers can cause hearing loss. Farmers are exposed to hazardous noise from equipment and domestic animals, and experience high rates of noise-induced hearing loss. The aim of our study was to evaluate the hearing thresholds of farmers in Korea. This study is the first to evaluate hearing impairment in Korean farmers nationwide. There have been few studies that have performed audiometric testing to measure hearing impairment at the national level in Korea. Materials and method. Through the Farm Work Safety Model Project among the 40 villages in which inhabitants received health checkups from 2006-2008, 2,027 people from 35 villages were targeted (957 people in 16 villages in 2006, 436 people in five villages in 2007, and 634 people in 14 villages in 2008) and underwent pure tone audiometry tests. 2,027 people from 35 villages underwent pure tone audiometry tests through the Farm Work Safety Model Project. The tests were conducted using a portable audiometer, and air conduction thresholds were determined. Results. Hearing impairment at 3kHz and above was more prevalent in men than in women. The prevalence of moderateto-profound hearing impairment was 19.6% in the total study population and increased with age. Conclusions. It is proposed that the high prevalence rate of farmers' hearing impairment may be due to excessive workplace noise. To manage farmers' hearing health, precise evaluations of farmers' hearing acuity and noise exposure on farms should be conducted. This study might be a stepping-stone to protect farmers' hearing health.

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Section: Discussionmentioning

confidence: 99%

Hearing impairment among Korean farmers, based on a 3-year audiometry examination

Lee

2019

Ann Agric Environ Med.

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“…It is known that barge shippers are suffering from frequent lock shutdowns in the form of higher transportation cost, because when disruptions occur they must use other (pricier) modes of transportation, such as rail and trucks (McCleland 2012;Sweeney, Campbell, and Sweeney 2014). Thus, if we can show that the transportation cost saving the shippers can realize by rehabilitating L&Ds is large, we may be able to attract funding from them.…”

Section: Proposed Business Model and Research Questionsmentioning

confidence: 99%

Rehabilitating Locks and Dams in the Upper Mississippi Waterway Through PPP: A New Business Model

Suzuki

2023

Transportation Journal

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Many supply chains rely on barge transportation along the Upper Mississippi waterway system. However, locks and dams that enable traffic flows through the waterway system are aging and causing disruptions frequently, bringing considerable financial damages to shippers. Cost of the major system rehabilitation is estimated to be over $1 billion, and the prospects for getting such a large funding from the government are bleak. Public-private partnership (PPP) based on the conventional business model that requires collecting end-user fees to provide revenue to the participating private firms has been proposed, but not implemented due to the regulatory barriers that forbid the collection of user fees. This study proposes a new PPP business model that does not require collecting user fees. This model seeks to attract funding from shippers in exchange for reducing their financial losses due to frequent system disruptions. We describe the model concept and examine its effectiveness by performing a series of analyses that combine analytical, econometric, and simulation techniques. Results show that the proposed model is not only viable, but also financially attractive to shippers if the invested amount is optimal, allowing them to reduce supply chain disruptions considerably while also achieving sizable investment returns.

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Dangerous Noise Levels Leave Farmers at Risk for Hearing Loss

Cited by 2 publications

References 0 publications

Hearing impairment among Korean farmers, based on a 3-year audiometry examination

Hearing impairment among Korean farmers, based on a 3-year audiometry examination

Rehabilitating Locks and Dams in the Upper Mississippi Waterway Through PPP: A New Business Model

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