What is Noise Pollution?
During the last twenty years there has been increasing concern with the quality of the environment. Along with air and water contaminants, noise pollution has been recognized as a serious pollutant. As noise levels have risen, the effects of noise have become more apparent.
Noise is defined as “unwanted sound”. Noise has adverse effects on people and the environment. Noise causes hearing loss, interferes with human activities at home and work, and is in various ways dangerous to people’s health and well being. Studies show that over forty percent of Americans are disturbed at home or lose sleep because of noise pollution.
Causes of Noise Pollution
Causes of noise pollution include traffic, aircraft, rock bands, barking dogs, amplified music, television, garbage trucks, and noise from neighbors, voices, alarms, and watercrafts.
Problems Caused by Noise Pollution
Annoyance: When we think, talk, listen to music, or sleep we need quiet. Even low levels of noise can be annoying or frustrating. Sudden increases in volume can make sounds annoying - this is why sirens are so intrusive. The quieter the background, the more penetrating a noise can be. Natural soun
Permanent hearing damage is likely to occur if this daily dose is exceeded repeatedly. External noise measuring up to thirty decibels in a bedroom is acceptable for sleep. These regulations are not applicable one the trains leave there yards. In addition, the regulations change with noise intensity and time worked. Noise pollution can endanger life by obscuring shouts for help. Federal Highway Administration (FHWA): The FHWA does not have actual noise standards, but has guidelines which are used to trip a federal funding mechanism for noise abatement on highway projects. These rules and regulations are present at all levels of government, federal, state, and local. Occupational Health and Safety Administration (OSHA): The OSHA has regulations to protect against hearing loss in the work place. When the background noise level is fifty decibels, normal conversation can be easily carried with someone up to one meter away. How Much Noise is Too Much Noise State government regulations state that our maximum daily dose should be no more than the equivalent of eighty-five decibels for eight hours a day. Federal Aviation Administration (FAA): The FAA has developed source regulations for commercial jet engines. Examples of Noise Exposure of Individuals"tm 24-Hour Average Sound Level, Decibels Individual Urban Environ. Noise can also make instructions or warning unclear, resulting in accidents. Louder noise bursts can be more disruptive. They are: ninety decibels for eight hours of work; ninety-five decibels for four hours; one hundred decibels for two hours; one hundred-five for one hour; one hundred-ten for thirty minutes; and one hundred fifteen for fifteen minutes.