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By Jamie L. Banks, PhD, MSc, Program Director, The Quiet Coalition
Are health concerns about gas-powered leaf blowers (GLBs) gaining momentum? On April 29th, the Massachusetts Medical Society (MMS) became the second in the nation to approve a resolution against GLBs, following the lead of the Medical Society of the State of New York (MSSNY). Other physician groups, such as Utah Physicians for Healthy Environment and Fresno Madera Medical Society, have also issued warnings on the use of GLBs and other fuel-powered lawn and garden equipment. The resolution brought by the society’s Committee on Environmental and Occupational Health and its chair Heather Alker, MD, MPH, recommends that the MMS:
- Recognize noise pollution as a public health hazard, with respect to hearing loss;
- Support initiatives to increase awareness of the health risks of loud noise exposure;
- Urge the maximum feasible reduction of all forms of air pollution, including particulates, gases, toxicants, irritants, smog formers, and other biologically and chemically active pollutants; and
- Acknowledge the increased risk of adverse health consequences to workers and general public from gas-powered leaf blowers including hearing loss and cardiopulmonary disease.
The growing concern on the part of the medical community over leaf blower noise is welcome news. Commercial GLBs can produce noise of 95 decibels and higher at the ear of the operator. This noise level exceeds safe occupational levels by an order of magnitude. The close proximity use of these powerful engines exposes both workers and others in the area to prolonged periods of excessive noise, not to mention toxic air pollutants. The presence of a low frequency component in the leaf blower’s frequency band distribution (i.e., the device’s sound signature) enables it to travel over long distances and through walls and windows.
The MMS resolution notes the harms to hearing and health from excessive noise produced by GLBs. Loud noise is known to cause hearing loss, tinnitus, and hyperacusis, as well as other health problems such as high blood pressure and heart disease. In addition, loud noise has negative effects on quality of life, communication and social interaction, work productivity, and psychological well-being.
The burgeoning use of GLBs and other fossil fuel powered equipment around our homes, schools, and other public spaces is a public health hazard, and a growing number of physicians and other health professionals are becoming concerned. The moves made by MMS and MSSNY are to be lauded, and other state societies and medical groups, including the American Lung Association and American Heart Association, need to prioritize this issue. With the body of scientific evidence on the harms associated with noise and pollution, other state and national medical societies have a critical role to play in educating government officials and the public about the connections between environmental hazards and disease and the actions we can take to reduce risks in our communities.
Source: Quiet Communities