co2 indoor air quality monitor Articles

  • Indoor Air Quality

    Indoor Air Quality-Makes Me Sick EVM 7 measures it all   How often do you here ‘I need some fresh air’. Why do we say that? Maybe you simply want a break from the wife and kids or work colleagues! But it may be because the indoor air you are breathing in is contaminated. Indoor air contains significantly higher levels of contaminants than outside air.   ...


    By Shawcity Limited

  • Comparison of indoor air quality in restaurant kitchens in Tehran with ambient air quality

    Air pollution is a major environmental health problem, affecting developed and developing countries around the world. Although the indoor air database is weak due to the scarcity of monitoring results, these estimates indicate that a serious indoor air problem may exist in developing countries. In developed countries, pollutant concentrations indoors are similar to those outdoors, with the ratio ...


    By University of Tehran

  • Wireless monitoring for a safe indoor environment

    This article discusses the benefits of wireless technology for continously monitoring the indoor environment. In striving for the construction of energy efficient and cost-effective buildings, the imperative issue of the buildings Indoor Air Quality (IAQ) is often overlooked. This can often lead to a unhealthy indoor environment and even to conditions such as Sick Building Syndrome (SBS) or other ...


    By PPM Technology

  • Multi-Stage Air Quality Monitoring in the Workplace

    CAS DataLoggers recently supplied the environmental datalogging solution for a factory with a small series of office rooms experiencing serious air quality issues. Employees reported headaches during the work day, indicating a possible lack of adequate ventilation. These workspaces were located next to the busy factory floor which caused an incidental ...


    By CAS DATALOGGERS

  • Feasibility Study of an Express Assessment Protocol for the Indoor Air Quality of Air-conditioned Offices

    It is costly to sample all major toxic pollutants in community air. Sampling should be conducted based on an assessment strategy and monitoring planning. Assessment methods that rely on monitoring some representative pollutants have been proposed variously at different times. In Hong Kong, the Environmental Protection Department (HKEPD) launched an Indoor Air Quality (IAQ) certification scheme to ...


    By SAGE Publications

  • Case study of odor and indoor air quality assessment in the dewatering building at the Stickney Water Reclamation Plant

    Indoor air quality (IAQ) and odors were determined using sampling/monitoring, measurement, and modeling methods in a large dewatering building at a very large water reclamation plant. The ultimate goal was to determine control strategies to reduce the sensory impacts on the workforce and achieve odor reduction within the building. Study approaches included: (1) investigation of air mixing by ...


    By IWA Publishing

  • Monitor Volatile Organic Compounds (VOC’s) with PPM Technology’s IAQ Monitor

    Volatile organic compounds (VOC’s) are emitted as gases from certain solids or liquids. VOCs include a variety of chemicals, some of which may have short- and long-term adverse health effects. Concentrations of many VOCs are consistently higher indoors (up to ten times higher) than outdoors. VOC’s is one of numerous sensor options that can be incorporated into PPM Technology’s ...


    By PPM Technology

  • 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

  • Effects of Headroom on the Performance of the Displacement Ventilation System

    IntroductionIn recent years an increasing amount of health evidence from building occupants has confirmed the existence of sick building syndrome (SBS). This is where occupants within a building begin to report feelings of nausea, headaches and general feelings of illness. Additional symptoms of this health problem include eye, nose and throat irritation, coughing and fatigue. The fact that most ...


    By SAGE Publications

  • What is an `IAQ Profile`?

    The 'IAQ Profile' is a visual presentation of indoor air quality. PPM Technology's range of IAQ Monitors enable continuous monitoring of Indoor Air Quality; this precisely describes changes in concentration levels of selected air quality parameters over a period of time.  The IAQ Profile provides the knowledgebase and database for improving indoor air quality efficiently and ...


    By PPM Technology

  • EPA wind farm project for open space and site noise evaluation and measurement criteria

    EPA is a Cabinet level executive agency responsible for protecting and conserving the environment in the Republic of China including air quality, noise control, monitoring and inspection of the environment, solid waste, recycling, sustainable development and international cooperation. It is led by the Minister for Environment, Stephen Shu-hung Shen. The Environmental Protection Agency has evolved ...

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