보육시설 및 실내놀이터의 Aldehydes 노출 및 위해성 평가

Abstract

This study was performed to investigate the concentration of indoor aldehydes in children’s facilities.

The samples were collected from various children's facilities (40 playrooms, 42 day-care centers, 44

kindergartens, and 42 indoor playgrounds) in summer (Jul~Sep, 2007), winter (Jan~Feb, 2008) and spring

(Mar~Apr, 2008). The ratio of Indoor and outdoor (I/O) of aldehydes exceeds 1.0 and the formaldehyde

levels in each child-care facilities were significantly different. We evaluated the lifetime cancer and

non-cancer risk of young children due to indoor aldehyde exposure. We estimated the lifetime excess cancer

risks (ECRs) of formaldehyde, acetaldehyde and the hazard quotients (HQs) of non-carcinogens

(benzaldehyde and formaldehyde). Formaldehyde was evaluated for both carcinogenic and non-carcinogenic

risk. The average ECRs of formaldehyde for young children were 1×10⁴~1×10 level in all facilities. HQs

of four non-carcinogens did not exceed 1.0 for all subjects in all facilities.