This study was carried out to investigate the correlation between toluene in air and hippuric acid in human urine, which is based in the results of the health check-in and measure of working environment, was investigated for five years. Toluene in air and hippuric acid in urine were checked 116 workers who exposed to toluene in five type of industry. The Mean concentration of toluene in air by type of industry and every year and sex distinction, had positive correlation.(p<0.01) The Mean concentration of hippuric acid in urine by type of industry, every year, sex distinction, disparity of age and term of duty had positive correlation.(p<0.01)

• 박흥재(인제대학교 환경공학부) | Heung-Jai Park Corresponding Author
• 김형준(인제대학교 환경공학부) | Hyung-Joon Kim
• 정성욱(인제대학교 환경공학부) | Seong-Wook Jeong
• 이병호(인제대학교 환경공학부) | Byung-Ho Lee