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  • 191 MPH 354 CFM 254cc Gas 2

    High performance with low levels of noise are what you can expect from this ECHO gas blower The rotational control makes for easy operation and helps cut user fatigue The blower offers grouped controls with "cruise" for operator convenience The product comes with a 5 year consumer, 2 year professional warranty...

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  • What Is A Safe Noise Level For The Public?

    Let them know what the safe noise levels are The goal of noise regulations, adapted from radiation exposure regulations, should be ALARA, As Low As Reasonably Achievable We have a right to quiet And we have much work to do to make the world quieter, one decibel at a time...

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  • Health effects from noise

    Annoyance effects of noise are minimally affected by demographics, but fear of the noise source and sensitivity to noise both strongly affect the 'annoyance' of a noise Sound levels as low as 40 dB(A) can generate noise complaints and the lower threshold for noise ,...

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  • Noise Basics

    Such guidelines include the compatibility of certain aviation noise levels with residential areas, schools, and commercial development Acceptable DNL levels for residential areas and schools are 65DNL, and 70DNL if sound insulated In commercially developed areas, 75 DNL is acceptable...

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  • Can Noise Make You Sick?

    Low-level office noise can also raise stress hormone levels When researchers from Cornell University studied women working in offices, they found that stress levels were highest among those who were exposed to low levels of noise (conversation, typing, ringing telephones)...

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  • Noise Pollution in the Laboratory

    the noise level is greater than 55 dBA Approximately 35 to 40% of workers in office settings find noise levels from 55 to 60 dB (A) to be irritating To provide a healthy, safe and stress free environ-ment, the laboratory manager should ensure that the noise level should be kept at a suitably low level,...

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  • Low Frequency Noise Study

    Level (LLF) as a descriptor of low-frequency noise 3) Study the efficacy of sound insulation in a stepwise fashion, beginning with the most rattle-prone features of houses, the windows and doors...

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  • 3 Noise and Noise

    The focus of this chapter is on noise and noise-induced hearing loss in theUS military The committee was asked to identify sources of potentially damaging noise in the military setting and to review and assess available evidence on hearing loss incurred by members of the armed services as a ....

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  • Acceptable dB A Noise Level

    EPA Protective Noise Levels - The noise level should not exceed certain values to protect public health and welfare; Human Effects when Exposed to Low-Frequency Noise and Vibration - Physiological effects from low-frequency noise and vibrations...

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  • Low noise levels

    Miele dishwashers operate at particularly quiet noise levels from 42 dB (A) 1 and deliver consistently perfect results This is even significantly more quiet than a normal conversation This is even significantly more quiet than a normal conversation...

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  • Aircraft Noise Issues

    For noise, that involves limiting the number of people exposed to significant noise levels Significant noise is defined as Day Night Average Sound Level (DNL) 65 decibels (dB) The number of people exposed to significant noise levels was reduced by approximately 90 percent between 1975 and 2000...

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  • 191 MPH 354 CFM 254cc Gas 2

    High performance with low levels of noise are what you can expect from this ECHO gas blower The rotational control makes for easy operation and helps cut user fatigue The blower offers grouped controls with "cruise" for operator convenience The product comes with a ,...

    Know More