Should the Regulation of Nitrogen Dioxide be Amended for the Regulation of Nitrous Acid?

Masayuki Ohyama^*

Department of Environmental Health, Osaka Prefectural Institute of Public Health, 1-3-69, Nakamichi, Higashinari-ku, Osaka 537-0025, Japan

^*Corresponding Author: Masayuki Ohyama, Department of Environmental Health, Osaka Prefectural Institute of Public Health, 1-3-69, Nakamichi, Higashinari-ku, Osaka 537-0025, Japan, Tel: +81-6-6972-1321, Fax: +81-6-6972-2393 Email: