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Indoor Air Quality (IAQ)

Our Clients:

  • Commercial Offices.

  • Food Production Facilities.

  • Light Industrial Facilities.

  • Residential - homeowners.

  • Schools - for pre- and post- construction/renovation assessments.

  • Hospitals for pre- and post- construction/renovation assessments.

The most common parameters monitored for IAQ issues are:

  • Airborne fungi & bacteria (see Mold and Water Damage page)

  • Carbon Monoxide

  • Carbon Dioxide

  • Formaldehyde

  • Hydrogen Sulfide

  • Nitrogen Dioxide

  • Ozone

  • Particulates/Dust

  • Relative Humidity

  • Sulfur Dioxide

  • Temperature

  • Volatile Organic Compounds (VOCs)

Many other chemical constituents may be monitored/sampled as well.  Often clients are looking for unknown contaminants requiring a more extensive investigation and sampling strategy.  Noise, vibration, and light evaluations may also be performed.


Handheld volatile organic compound (VOC) monitor photoionization detector's (PID) extended range of 1 part per billion (ppb) to 10,000 ppm makes it an ideal instrument for applications from HazMat/Homeland Security and industrial hygiene to Indoor Air Quality and military applications.


The Optical Particle Counter is one of many real-time particle measuring instruments including photometers for mass concentration, condensation particle counters for ultrafine particles and diffusion charging with electrometer signal for surface area measurement.

Typical applications include cleanroom monitoring, research, exposure assessment, indoor air quality, filter testing, clearance testing, quality assurance and contaminant migration studies.

Indoor air quality issues can have a significant impact on employee, student, or residential occupant comfort.  Employee and student attendance, concentration, and performance can be affected by these common parameters we evaluate.  Our IAQ studies also serve as employee exposure documentation and provide recommendations for correcting contaminant and HVAC issues.

We employ the use of direct-reading instruments for area surveys and collect media samples for laboratory analysis when very low detection limits are necessary.  Direct-reading instruments commonly used during our IAQ studies are shown in the photos.

  • Measures CO2, temperature, humidity, and CO
  • Calculates dew point, wet bulb and percent outside air
  • Measure indoor air quality conditions in schools, offices and other indoor environments
  • Maximize thermal comfort for optimum productivity
  • Investigate Sick Building Syndrome and building related illness




Copyright 2008-2016 Clean Air Sciences, Inc.
Last modified: 07/26/16