earticle

영어

As the exposure standards for p-dichlorobenzene is revised to the level of an advanced nation, it offers for the 10ppm(60mg/m3) of TLV-TWA and the 20ppm (110mg/m3) of TLV-STEL to strengthen to minimize the occurrence of occupational hazard of workers handling p-dichlorobenzene. The reason to strengthen exposure standards has a setting background to revise the exposure standard of the advanced nation and a scientific approach through a research data and a review for human and animal toxicity, and has a technical approach through a review for the application of revised criteria for exposure as establishing to improve the working environment to catch hold of the actual conditions of working environment, and synthesizes the administrative and economic basis of impact analysis of regulatory for the ripple effect to the domestic industry as the application of revised criteria for exposure.Specially, as the p-dichlorobenzene by the research results of the developed countries has an effect on the eyes, the breathing machine, the central nervous system disorders, the liver and the kidneys, and also is potential carcinogen of the liver tumor for the animal or human in the past concentration, TWA trends to strengthen below 10ppm or 1.7ppm and sets with considering the economic conditions through the exposure situation of our country and with considering to be able to take full advantage for health protection standards for workers. And also STEL is set to 20ppm for the health protection of the worker and the ordinary person toward to vision damage, dizziness, central nervous system disorders to be able to occur by the exposure of short term high concentration in the lab.