[Analysis of harmful status of 1, 2-Dichloroethane in the workplace of enterprises in a district of Chongqing].

<b>Objective:</b> To Analysis of the current status of occupational hazard factors of 1, 2-dichloroethane (1, 2-DCE) in workplaces of enterprises in a certain district of Chongqing City, to provide a basis for its prevention and control. <b>Methods:</b> In January 2024, the monitoring data from the 2023 key occupational disease survey in the district were collected and organized. Qualitative analysis was conducted on the organic solvents used by enterprises in their production processes, and the detection results of 1, 2-DCE were statistically analyzed. <b>Results:</b> A total of 88 organic solvent samples were collected, with a qualitative detection rate of 21.6% (19/88) for 1, 2-DCE. A total of 30 enterprises using organic solvents were surveyed and tested, with an enterprise detection rate of 36.7% (11/30) for 1, 2-DCE. The workplace exceedance rate for 1, 2-DCE was 37.0% (34/92), and the post exceedance rate was 15.4% (4/26) . <b>Conclusion:</b> The degree of occupational exposure hazard related to 1, 2-DCE remains severe. It is necessary to strengthen the management of organic solvents used by enterprises and implement effective measures to prevent acute and chronic poisoning caused by 1, 2-DCE.