indoor air sample Articles

  • 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 Economic Value of Air-Pollution-Related Health Risks in China: A Contingent Valuation Study

    The economic value of preventing adverse health effects related to air pollution is estimated using contingent valuation in three diverse locations in China. Values are estimated for three health endpoints: cold, chronic bronchitis, and fatality. Alternative statistical models are tested to study their impact on estimated willingness to pay (WTP) and on the relationship between WTP and respondent ...


    By Springer

  • Retro-Coat™ Achieves Site Closure by Meeting Environmental Screening Levels Case Study

    Lombard Street Retrofit – San Francisco, CA Retro-Coat™ (patent pending) was selected to mitigate vapor intrusion within a structure built in 1907 that had been impacted by both a former underground storage tank and a local dry cleaner. Indoor air samples taken prior to application showed chlorinated solvent-based PCE and TCE levels above the ...

  • 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

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