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| GIS-based diffusion distribution and health risk assessment of VOCs in bio-pharmaceutical enterprises |
| CHEN Jun-yan1, WANG An-qi1, ZOU Hao-chen1, LI Yuan-yuan1, PAN Yun1, LIU Qiang1, LIU Zhao-xiang2 |
1. School of Environmental and Chemical Engineering, Shanghai University, Shanghai 200444, China;
2. Foreign Economic Cooperation Office, Ministry of Ecology and Environment, Beijing 100035, China |
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Abstract AERMOD Model was used to simulate diffusions of six VOCs in a fermentation biopharmaceutical company in Shanghai. The VOCs included benzene, toluene, xylene, phenol, methanol, and formaldehyde. Health risk assessment and the maximum incremental reactivity (MIR) were used to evaluate their (VOCs) health risks and ozone-formation potentials. ArcGIS was used to vectorize pollutant distributions, realizing the visualization of human health risks and calculating the number of cancer cases per unit area. Above results provided technical support for the risk prevention and control work of relevant departments. As a result, toluene and xylene contributions to ozone-formation potentialities were the highest. In detail, the cancer risk of resident was 7.04×10-7, which was lower than the acceptable risk recommended by USEPA Level (1×10-6). Health risks caused by non-carcinogenic substances were small, far below the maximum acceptable risk level recommended by USEPA level (1). The annual average non-carcinogenic risk ranked as benzene, xylene, toluene, phenol, and methanol. Therefore, the fermentation biopharmaceutical company will not cause potential health risk to human beings.
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Received: 27 August 2019
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