What is an important aspect of formaldehyde contamination control?

The importance of controlling formaldehyde contamination is primarily linked to its potential health impacts and its use in various products. Coating and sealing products effectively reduce formaldehyde emissions from materials that might release it, such as insulation, particleboard, and some types of furniture. By applying a sealant or coating, the formaldehyde that could escape into the air is significantly minimized, providing a safer indoor environment.

This approach is particularly relevant in residential settings and new constructions, where off-gassing from building materials can contribute to elevated indoor air concentrations of formaldehyde. Therefore, using coatings and seals to control emissions is a direct, practical strategy in managing and mitigating formaldehyde contamination.

While other options may have roles in environmental health, they are not as directly effective in controlling indoor formaldehyde levels. For instance, absorption in soil may occur but is not a practical or effective method for indoor air quality. Neutralization with acids is not applicable to formaldehyde, and relying solely on ventilation can be insufficient to lower concentration levels when emissions occur from materials that release it continuously.