Carbon disulfide (CS2) is widely used to produce rayon, carbon tetrachloride, rubber chemicals and cellulose film, and also a by-product of widely used dithiocarbamate pesticides. Chronic low level and long term exposure to CS2 could cause eye, ear, heart, nervous system and reproductive effects.1-7 The largest use of CS2 is made in the viscose industry which it is used to yield sodium cellulose xanthate from alkali cellulose. The concentrations of CS2 in viscose plants varied a lot worldwide from the published literature.8-17 In generally idea from published papers, the CS2 concentrations in Western countries are higher than the CS2 in Asian and Far East countries, but the CS2 concentration in Taiwan is exception. Most of these studies except the Belgian and German studies, were based on the stationary sampling, which does not exactly express the occupational exposure levels of the workers that may had to the misclassification problems.12; 18 Up to now, no English paper about the Chinese workers who occupational exposed to carbon disulfide based on the personal exposure sampling technique be founded, only one paper in 199215, which presented the results of the stationary measurement method.
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