[EN 12792-2003, 257]:metabolic rate of a sedentary person at rest ( 1 met = 58,2 W/m2 ).

[ISO 16814:2008, 3.23]:fungal, bacterial, or viral organisms, toxins they produce, or particles bearing such organisms or toxins that are airborne or deposited on indoor surfaces and that can cause disease, irritation, allergic reaction, discomfort or damage to human property.