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GRP Plant Noise & Light Pollution is Serious

Updated: Nov 3, 2021

New-> Arpeggio Sound Study and MCCPC Noise Survey

(click on links above to view full report)


The traditional definition of noise is “unwanted or disturbing sound.” Sound becomes unwanted when it either interferes with normal activities such as sleeping, conversation, or disrupts or diminishes one’s quality of life.

Noise pollution adversely affects the lives of millions of people. Studies have shown that there are direct links between noise and health. Problems related to noise include stress related illnesses, high blood pressure, speech interference, hearing loss, sleep disruption, and lost productivity. - Title IV - "Noise Pollution,” US EPA website at

The US EPA’s Office of Noise Abatement and Control found that “levels of 55 decibels

outdoors and 45 decibels indoors are identified as preventing activity interference and

annoyance. These levels of noise are considered those which will permit spoken conversation and other activities such as sleeping, working and recreation, which are part of the daily human condition.” - US Environmental Protection Agency, Office of Noise Abatement and Control (March 1974), page 7, EPA-550/9-74-004, accessed 1/18/16 at

Noise Ordinances Tools for Enactment, Modification and Enforcement of a Community Noise Ordinance, Robert C. Chanaud, Ph.D.

Chapter 3: Noise Effects on Health and Welfare

For complete document, click here.


Most of us are familiar with air, water, and land pollution, but did you know that light can also be a pollutant?

The inappropriate or excessive use of artificial light – known as light pollution – can have serious environmental consequences for humans, wildlife, and our climate. Components of light pollution include:

  • Glare – excessive brightness that causes visual discomfort

  • Skyglow – brightening of the night sky over inhabited areas

  • Light trespass – light falling where it is not intended or needed

  • Clutter – bright, confusing and excessive groupings of light sources

Light pollution is a side effect of industrial civilization. Its sources include building exterior and interior lighting, advertising, commercial properties, offices, factories, streetlights, and illuminated sporting venues.

(Reference Articles/websites related to Noise Pollution Section)

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