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1.
Journal of Environment and Health ; (12)1993.
Article in Chinese | WPRIM | ID: wpr-542384

ABSTRACT

Tolylene Diisocyanate (TDI) is the important industrial material in producing polyurethane dope. In recent years, with the development of fitment, polyurethane product was widely used. During the procedure in production and usage, TDI is dissociated from polyurethane production and will pollute indoor air. TDI is highly volatile and can irritate the skin, mucous membranes, eyes, nose and throat. The most common and most serious response occurs in the lungs. Thus, in many countries, the limit for TDI has been established and put into practice, in China the work for establishing limit for TDI in indoor air has been doing also. The character of TDI and harmfulness to human, the limit for TDI in indoor air in China and in the other countries, the measurements to control TDI pollution were reviewed in the present paper

2.
Journal of Environment and Health ; (12)1989.
Article in Chinese | WPRIM | ID: wpr-537410

ABSTRACT

Objective To examine the relationship of exposure and potential dose of human exposed to indoor and outdoor air pollutants. Methods The definition and calculation methods of exposure and potential dose were analyzed and compared. Personal exposure and potential dose of formaldehyde and carbon monoxide in indoor and outdoor air were calculated by scenario evaluation approach respectively, and the relationships between exposure and potential dose were analyzed also. Results Potential dose could much better accurately reflect the amount of air pollutants entering human body through respiratory tract than exposure did. Exposures and potential doses of human exposed to formaldehyde and carbon monoxide in indoor and outdoor air were significantly correlated in some cases, but not correlated well in other cases. Conclusion Potential dose might be more accurately linked to health effects of air pollutants than exposure did.

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