Investigation of Indoor VOCs Pollution in Certain Area

Indoor air pollution is becoming an increasingly severe problem that affects the occupant health and working efficiency.Indoor air pollution in 10 typical resident households at local area was investigated,with continuous detection of common 13 kinds of VOCs and 3 kinds of hydroxyl compounds indoor and outdoor as well as the occupant exposure concentration in summer and winter respectively.Based on analysis of concentration standard deviation of different residents and contaminants,characteristics of pollution source were analyzed.Combining the questionnaire investigation,distribution characteristics of pollution was also analyzed.