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The Noise Abatement Society
Home . Comment . Contact Us . About the NAS Current Campaigns . Train Horn Noise . MP campaigns on train noise . Reversing Alarms . Quietening the Streets Broad Band Initiative . Events . NAS-PIEK Scheme . ... HELP WITH LOW FREQUENCY NOISE The John Connell Awards 2007 Celia Barlow MP and Justine Greening MP present the John Connell Awards To view full report of the most prestigious Noise event ...
noiseabatementsociety.com

NoiseOFF - The Citizens Coalition Against Noise Pollution - Exhaust Systems
California to stifle law enforcement. It required police officers to measure exhaust noise with a decibel meter using the dB(a) standard, which does not measure low frequency noise. ... plainly audible standard' that allows an officer to determine noise levels. In New York City, noise offenders can be cited if the exhaust noise is plainly audible at 150 feet. Magnaflow Magnaflow ...
noiseoff.org

NoiseOFF - The Citizens Coalition Against Noise Pollution - The Rumbler
The siren emits low frequency duplicate tones that according to its manufacturer, Federal Signal Corporation, "have the distinct advantage ... addition to the risk of permanent hearing damage, the low frequency noise may be damaging to the nervous system. People exposed to this type of noise on daily basis suffer from hearing loss, ...
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OMI Info About: International Ocean Noise Coalition (IONC)
Dr. Marsha Green, President / ... Noise Coalition (NAONC) contact. The IONC has responded in writing to two issues that threaten to significantly impact marine life: Issue 1: US Navy Undersea Warfare Training Range - Active mid-frequency ... DEIS (.pdf file) Issue 2: US Navy SURTASS Low Frequency Active (LFA) Sonar Draft Supplemental EIS The ...
www.oceanmammalinst.org

OMI: Marine Mammals and Low Frequency Active Sonar (LFAS) Fact Sheet
Marine Mammals and Low Frequency Active Sonar (LFAS) Fact Sheet Marine Mammals and Low Frequency Active Sonar (LFAS) Low Frequency Active Sonar (LFAS) is a military sonar technology designed to detect and track ... intensity sonars. Major concerns about LFAS and Marine Mammals include: Evidence suggests that ocean noise pollution may already be affecting hearing in marine mammals. At a workshop on ...
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High-Frequency EMF Noise Suppression Kit
EMF high-frequency pollution producers, you may need additional EMF high-frequency noise suppressors. Specify North-American ... frequency pollution. Just plug it in and see the digital readout of the amount of high frequency pollution in the line. Ideally the reading should be zero or as low ... voltage. (Cat. #A174-AU) … $2.00 High Frequency Noise Suppression Kits in the News MELROSE, Wis. -- ...
lessemf.com

ESB: Installation Methods Reduce Fan Noise
He offers these thoughts about fan noise and several potential solutions. Fan Noise A fan generates several types of noise. Rushing air hisses. The fan motor hums. If you ... the fan housing backward. The housing pulses against the wood framing and drywall, causing a low frequency tone that permeates the building and annoys everyone. "To reduce the tone, you have to ...
oikos.com

Noise: Occupational: Heaing Protection Selection
H - High, M - Medium and L - Low frequency attenuation values in accordance with BS EN ISO 4869-2: 1994 Single Noise ...
noisenet.org

Noise: Building Acoustics: Sound Insulation
Sound Insulation site search members area home directory ProInfo noise vibration contact Noise > Building Acoustics > Sound Insulation Sound Insulation is a measure of how good a building ... negative. The spectrum adaptation term weights the results towards better low frequency performance, i.e. structures that are better at low frequencies, e.g. heavy masonry, tend to produce better results. ...
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To protect whales, Navy will limit use of low-frequency sonar - Los Angeles Times
To protect whales, Navy will limit use of low-frequency sonar Federal court in San Francisco OKs an accord that restricts use of low-frequency active sonar to protect whales and other marine life ... whales and other marine life posed by underwater noise from sonar exercises. A separate lawsuit, not involved in Tuesday's announcement, involves mid-frequency sonar. That case is pending at the U ...
latimes.com