Complex Volatile Organic Compounds (VOCs) in Businesses and Residential Premises Are a Dangerous Health Hazard
VOCs are any of a variety of organic chemical compounds that release gaseous molecules from their liquid or solid form at room temperature. While many VOCs are naturally occurring and important to environmental interactions, a large number are emitted in manmade processes and are hazardous to human health if respirated at certain concentrations. The EPA has determined that concentrations of VOCs are much higher indoors compared to outdoors (up to 10 times higher), and it is estimated that 50 to 300 different VOCs may be detected in the air of homes, schools, offices, and commercial buildings at any given time. Some examples of these compounds include formaldehyde, toluene, benzene, xylene, perchloroethylene, etc. The adverse health effects caused by breathing in these chemicals can range from temporary irritation of the eyes or throat, nausea, and headache, to long-term disease such as cancer or damage to the liver, kidneys, or central nervous system. The chart below describes the health effects at different levels of exposure:
|< 1.0 PPM
Good or “Green”
|No significant health effects or occupant complaints|
|1.0 TO < 10 PPM
Marginal or “Yellow”
|Should produce some health effects and complaints|
|10 PPM and Higher
Poor or “Red”
|May produce more serious health effects|
Common Sources of VOCs
Many commonly used products can be the sources of these compounds including building maintenance and cleaning products, paints, adhesives, sealants, carpets, drywall, and insulation materials, among others. Some examples of specific sources and processes that commonly emit high levels of VOCs include Vent Gas, Water Separation Techniques, Industrial Waste Water, Batch Processes, Petroleum Refining, Natural Gas Processing, Petrochemical Processes, Paints, etc.
AQ Expert Indoor Air Quality Monitor
The measurement of the concentration of many VOCs commonly found in indoor environments can be performed using the E Instruments AQ Expert portable IAQ monitor. This specialized monitoring instrument utilizes PID sensors that allow air quality analysts, environmental safety companies, laboratory technicians, etc., to quickly and accurately monitor the levels of dangerous VOCs present in the breathing environments of homes, office buildings, laboratories, or industrial facilities. This device includes software with real-time continuous data logging, wireless Bluetooth compatibility, and can be customized to monitor up to 11 different parameters relevant to indoor air quality.