Journal of Environmental Science International (한국환경과학회지)

The Korean Environmental Sciences Society (한국환경과학회)
권호 표지

Inhalation and Dermal Exposures to Chloroform while Bathing

목욕시 Chloroform에 대한 흡기 및 피부 접촉 노출

  • 조완근 (경북대학교 환경공학과)
  • Published : 1998.06.01
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Abstract

Recently, bathes have been suspected to an Important source of indoor exposure to volatile organic compounds(VOCs). Two experiments were conducted to evaluate chloroform exposure and corresponding body burden by exposure routes while bathing. Another experiment was conducted to ekamine the chloro- form dose during dermal exposure and the chloroform decay In breath after dermal exposure. The chioroform dose was determined based on exhaled breath analysis. The ekamine breath concentration measured after normal baths (2.8 Vg/$m^3$) was approxidmately 13 tomes higher that measured prior to normal bathes (0.2 ug/$m^3$). Based on the means of the normalized post exposure chloroform breath concentration. the dermal exposure was estimated to contribute to 74% of total chloroform body burden while bathing. The Internal dose from bathing (Inhalation plus dermal) was comparable to the dose ostimated Srom dally water Ingestion. The rusk associated 10 a weekly, 30-min bath was estimated to be 1 x 10.5, while the rusk firom dally Ingestion of tap water was to be $0.5{\times}0^{-5} for 0.151 and 6.5{\times}10^{-5}$ for 2. 0 1. Chloroform breath concentration Increased gradually during the 60 minute dermal exposure. The breath decay after the dermal exposure showed two-phase mechanism, with early raped decay and the second slow decay. The mathematical model was developed to describe the relationship between water and air chloroform concentrations, with $R^2$ : 0.4 and p<0.02.

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