Potential contaminants to look for in air quality testing

 

Air quality testing is very important as it helps determine contaminants in the air around us and find the best ways to get rid of these contaminants. Smoke, allergens, radon, mould and other pollutants negatively impact the health of occupants on a construction site and building.

Allergens

Allergens exist in different forms and manifest in different ways. Plants, insects, pets and other things may irritate both adults and children. Recent studies indicate that in-house cleaning, nurse case management, education for household and housing interventions can reduce exposures to allergens, thus reduce asthma in homes and construction sites. Screening equipment and methods vary by type of allergens. Multiple arrays for indoor allergens and enzyme-linked immune-sorbent assay are the two methods that provide a range of analysis options.

Asbestos

Onsite air quality testing can also help detect asbestos in the air. Asbestos is a mineral fibre used in building and insulation materials. During maintenance or renovation in homes, asbestos may become airborne as it gets dislodged. Asbestos is not a source of health effects but long-term exposure to asbestos can cause a variety of lung diseases.

To conduct asbestos measurements and monitoring, labs need filters, air samples, access to transmission electron microscopy, phase contrast microscopy and more.

Isocyanates

These are chemicals that can cause irritation of the eyes, skin, throat and nose, occupational asthma and cancer. Deaths have occurred due to hypersensitivity pneumonitis and asthma as a result of exposure to isocyanate. Respiratory conditions also can be caused when isocyanates are exposed to the skin.

During air quality testing, it is important to test for isocyanates to prevent any harmful effects. Isocyanates can be found in some commercial products such as insulation materials, polyurethane, surface coatings, furniture, car seats, packing materials, adhesives, shoes, polyurethane rubber and many more. There are two main methods that labs may choose to test isocyanates in the air.

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