Methane 3D Model A 3D model of methane, a common VOC.

Volatile Organic Compounds (or VOCs) is a very general term to describe chemicals that can easily vaporize from a liquid into the air. In fact, the term is so vague, just about every country has its own standards for what substances can be classified as VOCs.

VOCs can be found just about anywhere and can be either naturally occurring or man-made. Common man-made VOCs come from paint thinners, dry cleaning solvents, and some types of petroleum. VOCs emanating from photocopiers, furnishings, and oxidizing components can cause a medical condition known as “sick building syndrome”.

Some VOCs like TTHM enter our water supply by the water disinfection process. Others by spills of industrial waste into soil connected with groundwater supplies.

Refrigerator water filters that can remove VOCs include: