domestic indoor air Articles

  • Prevention measures against radiation exposure to radon in well waters: analysis of the present situation in Finland

    Naturally occurring radioactive elements are found in all groundwaters, especially in bedrock waters. Exposure to these radioactive elements increases the risk of cancer. The most significant of these elements is radon which, as a gas, is mobile and dissolves in groundwater. In Finland, water supply plants are obliged to carry out statutory monitoring of the water quality, including radon. ...


    By IWA Publishing

  • Sustainable Development of Environmental and Non-Environmental Resources Using GIS for VISION 2050

    1. INTRODUCTION The Andhra Pradesh Pollution Control Board (APPCB) initiated the development of districts based on environmental information system and action plans as part of the A.P. Vision 2020 exercise. The principal objective of the proposed GIS project is to provide support to the APPCB and the stake holders of A.P. Government in designing a strategy and implementation mechanism to ...


  • Superinsulated Houses

    Superinsulated building is a method of energy-efficient construction that can be adapted to any structure, commercial or residential, in any climate. A superinsulated (SI) home can save 75% of the annual energy costs for heating and cooling compared to a standard home, and is also more comfortable and healthy for the occupants. SI houses can be of any design—Colonial, Victorian, Contemporary, ...


  • Xylem pumps chosen for the biggest shopping mall in the Nordic region - Case Study

    When the time came to select the pumps for the Mall of Scandinavia, high operational reliability and superior efficiency were two of the key parameters. Around 200 Xylem in-line pumps are now helping to handle the supply of heating, cooling and domestic hot water to all areas of the giant installation. Located in Stockholm, Solna, the Mall of Scandinavia is the biggest shopping centre in ...


    By LOWARA S.r.l.- a Xylem brand

  • How are Green Buildings Built? A Closer Look at a Modern Marvel

    Green building refers to an environment friendly structure which is built in such a manner that it continues to be environmentally responsible and resource efficient throughout its life. When we say throughout its life, it includes everything right from an eco-friendly design to the use of material which will make sure that the environment is not harmed even when the structure in question is ...


    By Camfil Ltd

  • What Are Solar Buildings Technologies?

    Solar buildings technologies use the non-polluting power of the sun to help heat, cool, and power our buildings. Because buildings now use one-third of the energy currently consumed in this country, the potential markets for using solar buildings technologies in place of conventional ones is substantial. Whether you're a home owner, architect, builder, business owner, or industry or utility ...

  • Analysis of monitoring results of the separation and greywater treatment system at Chester Woods Park, Olmsted County, Minn.

    Introduction In 1993, Olmsted County installed an advanced individual sewage treatment system (ISTS) at the caretaker's residence at a County-owned park to demonstrate waste load reduction and downsizing of drainfield area. The subject system has two components--1) a composting/vermiculture blackwater system and a 2) aerobic graywater treatment system. The separation of the high strength ...


    By Equaris Corporation

  • Wastewater Treatment Plant Monitors Greenhouse Gas Emissions

    Globally, little attention is paid to gaseous emissions from wastewater treatment processes. This contrasts greatly with the regulatory monitoring that is applied to the quality of water emissions from such facilities. However, in Helsinki, Finland, a large municipal wastewater treatment facility continuously monitors its emissions of greenhouse gases (GHGs) to help in the city’s efforts to ...


    By Gasmet Technologies Oy

  • Solar Power 2011 - Solar PV Breaks Records in 2010

    Solar photovoltaic (PV) companies manufactured a record 24,000 megawatts of PV cells worldwide in 2010, more than doubling their 2009 output. Annual PV production has grown nearly 100-fold since 2000, when just 277 megawatts of cells were made.  Newly installed PV also set a record in 2010, as 16,600 megawatts were installed in more than 100 countries.  This brought the total worldwide ...


    By Earth Policy Institute

  • What are we doing to our children’s brains?

    Environmental chemicals are wreaking havoc to last a lifetime The numbers are startling. According to the U.S. Centers for Disease Control and Prevention, about 1.8 million more children in the U.S. were diagnosed with developmental disabilities between 2006 and 2008 than a decade earlier. During this time, the prevalence of autism climbed nearly 300 percent, while that of ...


    By Ensia

  • 2011 Predictions for EPA`s Office of Chemical Safety and Pollution Prevention

    The Acta Group, L.L.C.'s (Acta) thoughts are below on what may be headed our way in 2011 from the U.S. Environmental Protection Agency's (EPA) Office of Chemical Safety and Pollution Prevention (OCSPP). In short, the general trends established by the Obama Administration during the past two years are expected to continue notwithstanding the 2010 election results. At the same time, the impact of ...


    By Acta Group

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