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The air quality measure is the number of days that the maximum PM2.5 daily concentrations exceed the NAAQS. The maximum PM2.5 daily concentration is determined by retaining the maximum concentration reported for each monitoring site for each
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• The limit or goal (see question 1) for in-tunnel carbon monoxide levels is 87 parts per million averaged over 15 minutes. • A reading in excess of this level at any of the in-tunnel monitors triggers an investigation, to check whether any
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• Choose the location and orientation of a new development to minimise noise intrusion from nearby sources. • Install measures to reduce noise output or impact where appropriate (e.g. sound insulation and earth bunds). • Restrict motor vehicle
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While mold and moisture are the most common indoor air quality issues, numerous other substances cause problems in the indoor environment. Radon, for example, is a radioactive gas that occurs naturally in the soil. When it becomes trapped in a
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Air quality management (AQM) refers to all the activities a regulatory authority undertakes to make sure that the air we breathe is safe, both outdoors and indoors. The AQM process is the system of understanding the sources that contribute to
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• There are four main air quality monitoring stations that continuously monitor air.
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Indoor air quality is as a four-part system consisting of temperature control, humidity control, ventilation and filtration. All of the components need to work together to create a comprehensive, intelligent indoor air quality system capable of
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The Indoor Environment Program was established in response to the growing recognition of indoor air quality as a leading environmental health issue for both adults and children. Funding sources include the US EPA Region V, general revenue and PHS
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Please send an email to environment@mit.edu with your name, location, and a description of the issue or call the EHS office at x2-3477. If the problem is primarily a comfort issue such as temperature and humidity, call your Repair and Maintenance
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Smog transported from the South Coast Air Basin (the metropolitan areas of Los Angeles, Orange, San Bernardino, and Riverside Counties) is a key factor on more than half the days San Diego exceeds clean air standards. Ozone and precursor emissions
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