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Title: Assessing noise exposures in farm youths. Author: Lander LI, Rudnick SN, Perry MJ. Journal: J Agromedicine; 2007; 12(2):25-32. PubMed ID: 18086651. Abstract: OBJECTIVE: This exploratory study evaluated the feasibility of field exposure assessment methods to characterize the noise sources and levels that farm youths experience during a typical workday. METHODS: Detailed exposure assessments were performed with a sample of 10 farm youths working on Vermont dairy farms to characterize potential noise hazards typical in the farm setting. Personal and area noise measurements were taken using noise dosimeters. Information concerning work- and non-work-related noise exposure histories was collected via questionnaire. RESULTS: The average age was 15.5 years (SD 2.5, range 10-18). Youths started working at an average age of 8.4 years (SD 2.3, range 6-12) and during the summer months worked an average of 41.3 hours per week (SD 32.3, range 2-68). Two youths exceeded the OSHA action level, having eight-hour time-weighted averages of 95 dBA and 92 dBA, or alternatively, doses of 206% and 127%. (The OSHA action level for the hearing conservation amendment is an eight-hour time-weighted average of 85 dBA or a dose of 50%.) Participants exceeding the action level reported working with tractors, skid steers (Bobcats), and all-terrain vehicles and doing general barn work. Additional sources of noise exposure included a mechanical silo elevator, chain saw, and wood splitter. CONCLUSION: Two of the monitored subjects were overexposed to noise in their farm work. Youths may be exposed to noise levels that exceed adult OSHA hearing conservation amendment action level as part of their daily farm activities.[Abstract] [Full Text] [Related] [New Search]