Q20. Thinking of the average year, how often, if at all, do each of the following social and human health and safety issues occur as a result of OHV use in [name of unit appeared here]?
g. Noise impacts (social)

  Very often (percent) Often (percent)
Occasionally (percent) Rarely (percent)
Never (percent)
Don't know (percent) No answer (percent) Number of respondents
Bureau of Land Management 1.5 12.8 37.6 32.3 5.3 10.5 0.0 133
Forest Service 2.3 19.7 29.5 30.6 8.1 8.7 1.2 173
National Park Service 1.8 7.3 20.0 34.5 23.6 10.9 1.8 110
All agencies 1.9 14.2 29.6 32.2 11.3 9.9 1.0 416