indoor air quality Articles

  • Indoor air quality problems

    We have a number of employees in our office who have itchy, watery eyes, nasal congestion, headaches, lethargy and trouble concentrating. Most of the affected folks report they feel better at home and worse after they’ve been in the office for about an hour. We had the office tested for mold but nothing remarkable was found. What’s going on? While exposure to molds can certainly ...


    By Atlantic Environmental, Inc.

  • 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

  • Indoor Air Quality and Gases

    Potentially hazardous gases is a critical issue in the workplace. Wireless technology provides means of monitoring and measuring toxic levels before health is at risk.   ...


    By PPM Technology

  • Indoor air quality in primary schools

    The indoor air quality (IAQ) in classrooms is expected to play a key role in the assessment of the effects of the children's personal exposure to air pollution since they spend on average 7–11 h per weekday at school. A statistical treatment was conducted over a database of indoor air parameters and the primary schools where these parameters were sampled (urban area of Lisbon, Portugal). The aim ...


    By Inderscience Publishers

  • Indoor Air Quality Myths Debunked

    Today’s buildings, whether it is a home, office, manufacturing plant, hospital, etc., are more energy efficient; however, they also foster a potentially harmful environment. Indoor Air Quality (IAQ) has become a rising concern in the HVAC industry. Poor IAQ can cause a number of health issues such as, allergies, dryness and irritation to the eyes, nose, throat, and skin. It can also cause ...

  • Dealing with Indoor Air Quality Issues

     According to the Environmental Protection Agency (EPA) journal, the average American spends about ninety percent of their time indoors. This is why the chances are overwhelming that most of the air you breathe either has entered via your building's ventilation system... or filtered in through doors, windows, or porous wall materials. Along the way, the air might have picked up any number ...


  • Indoor Air Quality Complaint Response

    Hygieneering’s Industrial Hygiene department recently responded to Indoor Air Quality concerns by occupants in a hospital following a localized fire within their building.  The response including conducting air sampling for potential contaminants associated with the fire and an evaluation of remediation efforts.  Recommendations were provided to change air flow patterns to better ...


    By Hygieneering, Inc.

  • Taiwan Indoor Air Quality Management Act

    On 8 November 2011, the Taiwanese Legislative Yuan passed the Indoor Air Quality Management Act making Taiwan the second nation after Korea to implement an indoor air quality management act. For accurate understanding of indoor air quality, it is advised to simultaneously monitor multiple indoor air quality parameters including gases, temperature and humidity. PPM Technology’s range of IAQ ...


    By PPM Technology

  • 10 Commandments of Indoor Air Quality (IAQ)

    Indoor Air Quality (IAQ) relates to a number of environmental factors inside a building that can impinge on the health, comfort, or work performance of the building’s occupants. Monitoring IAQ is vital because it is estimated that the average person spends 90% of their time breathing “indoor air”.    PPM Technology and our partners Hinds International have ...


    By PPM Technology

  • Indoor Air Quality and Hazardous Gas Detection

    Indoor air contaminants come in a variety of forms and originate from multiple sources. Interactions between building materials and furnishings, activities and equipment inside the building, internal temperature and relative humidity, filtration and ventilation system operations, climate and building occupants all contribute to the indoor air quality (IAQ) in commercial, industrial, residential ...

  • 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

  • Double benefit of monitoring Indoor Air Quality (IAQ)

    It is a difficult balance to save money and energy yet maintain a comfortable and healthy indoor air environment. A logical solution to controlling indoor air pollution is good ventilation coupled with IAQ monitoring using gas sensors. This can ensure healthy indoor air as well as a more efficient HVAC system.  Typical IAQ investigation and examination consists of taking single-point ...


    By PPM Technology

  • Remote monitoring of Indoor Air Quality (IAQ)

    Indoor air quality (IAQ) relates to a number of environmental factors inside a building that can impinge on the health, comfort, or work performance of the building’s occupants. Monitoring IAQ is vital because it is estimated that the average person spends 90% of their time breathing “indoor air”. Remote monitoring of IAQ sampling data collected by PPM ...


    By PPM Technology

  • Why monitor Indoor Air Quality (IAQ)?

    Indoor Air Quality (IAQ) relates to a number of environmental factors inside a building that can impinge on the health, comfort, or work performance of the building’s occupants. Monitoring IAQ is vital because it is estimated that the average person spends 90% of their time breathing “indoor air”. In order to accurately understand a building’s indoor air quality, it is ...


    By PPM Technology

  • Indoor air quality and mold case study

    Service(s) performed: Indoor air quality and mold management services Summary: EFI Global has provided indoor air quality and asbestos abatement services to numerous school districts and universities nationwide. At a public educational system with 7 campuses totaling over 5 million square feet, our environmental professionals performed comprehensive indoor ...


    By EFI Global, Inc.

  • Proactive Indoor Air Quality Surveys Save Budgets

    As facility budgets tighten, managers are realizing the many benefits that money spent for proactive indoor air quality is a smart investment. Here is a simple comparison to exemplify the point. Indoor air quality investigations conducted in response to employee complaint or illness clusters cost $3.00 to $10.00 per square foot of space investigated compared to 2 to 10 cents per square foot for a ...

  • The Hidden Danger Of Air Quality in Indoor Firing Ranges

    Indoor gun ranges are popular with both professionals who use guns as a part of their job and hobbyists who just enjoy guns and shooting. ...


    By Camfil Ltd

  • 4 Signs Of Poor Indoor Air Quality To Watch For

    The quality of indoor air is something most of us take for granted. Unless there is something very specific and unusual going on around us, like heavy cleaning or maybe new construction, we don’t often think about whether or not there is anything wrong with the air we breathe as we go about our daily business. The truth is, though, that indoor air quality is often worse than ...


    By Camfil Ltd

  • Carbon Monoxide, Carbon Dioxide and Indoor Air Quality

    Chances are that unless you are hot or cold – or if you smell something funny – you probably never think about indoor air quality. However, scientists know that gases in the air that you cannot see or smell can still affect your health. Carbon Monoxide The most dangerous gas most of us will ever face is carbon monoxide (CO). Not normally occurring in nature, this ...


    By Air Concern Limited (ACL)

  • Six Ways to Improve Indoor Air Quality Now

    Air quality is an important issue to anyone’s health, and many people don’t realize that their health issues and illnesses could be significantly diminished if their air quality was improved. There is much scientific evidence to suggest that the indoor air can be more polluted than the air outdoors, even in industrialized areas. When people spend eight or more hours a day in the same building, ...

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