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EPA Identifies Noise Levels Affecting Health and Welfare | EPA History | US EPA08-12-2009
Likewise, levels of 55 decibels outdoors and 45 decibels indoors are identified as preventing activity interference and annoyance ... Levels of 45 decibels are associated with indoor residential areas, hospitals and schools, whereas 55 decibels is identified for certain outdoor areas where human activity takes ...
http://www.epa.gov/history/topics/noise/01.htm (HTML)
| Ozone Depletion - Regulatory Programs | U.S. EPA08-15-2007
Jump to main content. Ozone Layer Depletion - Regulatory Programs Recent Additions | Contact Us Search: All EPA This Area You are here: EPA Home Ozone Layer Depletion Regulatory Programs 58 FR 28094 Vol. 58 No. 90 Wednesday, May 12, 1993 p 28094 (Proposed Rule) 1/11379 ENVIRONMENTAL PROTECTION AGENCY 40 CFR Part 82 [FRL-4625-7] Protection of Stratospheric Ozone AGENCY: Environmental Protection Agency (EPA).
http://www.epa.gov/ozone/fedregstr/58fr28094.html (HTML)
EPA Establishes New Noise Label Program | EPA History | US EPA08-12-2009
This will be a number showing the number of decibels of noise the product emits. The label also will provide the range in decibels of noise emitted by the same product made by other ...
http://www.epa.gov/history/topics/nca/01.htm (HTML)
Cool Pavements | Heat Island Effect | US EPA06-06-2008
... permeable pavements can reduce tire noise by two to eight decibels and keep noise levels below 75 decibels, although noise reduction may decline over time ...
http://www.epa.gov/heatisland/mitigation/pavements.htm (HTML)
| Ozone Depletion - Regulatory Programs | U.S. EPA08-15-2007
Jump to main content. Ozone Layer Depletion - Regulatory Programs Recent Additions | Contact Us Search: All EPA This Area You are here: EPA Home Ozone Layer Depletion Regulatory Programs 59 FR 13044 Vol. 59 No. 53 Friday, March 18, 1994 p 13044 (Rule) 13854/13854 ENVIRONMENTAL PROTECTION AGENCY 40 CFR Parts 9 and 82 [FRL-4839-7] RIN 2060-AD48 Protection of Stratospheric Ozone AGENCY: Environmental Protection Agency (EPA).
http://www.epa.gov/ozone/fedregstr/59fr13044.html (HTML)
| Ozone Depletion - Regulatory Programs | U.S. EPA08-15-2007
Jump to main content. Ozone Layer Depletion - Regulatory Programs Recent Additions | Contact Us Search: All EPA This Area You are here: EPA Home Ozone Layer Depletion Regulatory Programs 59 FR 13044 Vol. 59 No. 53 Friday, March 18, 1994 p 13044 (Rule) 13854/13854 ENVIRONMENTAL PROTECTION AGENCY 40 CFR Parts 9 and 82 [FRL-4839-7] RIN 2060-AD48 Protection of Stratospheric Ozone AGENCY: Environmental Protection Agency (EPA).
http://www.epa.gov/Ozone/fedregstr/59fr13044.html (HTML)
I-BEAM Glossary of Terms10-02-2008
Decibel (DB): A unit of sound measurement. Sound doubles in loudness for every 10 decibels. Decomposition: The breakdown of matter ...
http://www.epa.gov/iaq/largebldgs/i-beam/glossary.html (HTML)
Greenversations The New Canary in the Coal Mine12-31-2009
Coquí, its popular name, refers to its high decibel chirp “co-KEE.” In general, these amphibians have adapted ...
http://blog.epa.gov/blog/2009/12/31/the-new-canary (HTML)
11-25-09 | Healthcare News | Going Green | Mid-Atlantic | US EPA11-30-2009
The microturbines, which generate about 65 decibels from 10 feet away - roughly comparable to that of a vacuum cleaner - are ...
http://www.epa.gov/Region3/green/healthcare2009_11_25.html (HTML)
EPA Proposes Quieting of Jet Airplanes | EPA History | US EPA08-12-2009
... jet airplanes permits levels which range between 93 and 108 decibels, depending upon the weight of the aircraft and the number ...
http://www.epa.gov/history/topics/nca/03.htm (HTML)

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