Title: | [Characteristics of gaseous pollutants distribution during remedial excavation at a volatile organic compound contaminated site] |
Author(s): | Gan P; Yang YW; Fang ZQ; Guo SQ; Yu Y; Jia JL; |
ISSN/ISBN: | 0250-3301 (Print) 0250-3301 (Linking) |
Abstract: | "Volatile and semi-volatile organic compounds (VOCs/SVOCs) are commonly identified contaminants in industrial contaminated sites in China. VOCs migrate easily in the environment due to their relatively high volatilities. When disturbed during excavation, for example, VOCs in the soil release to the air in high concentrations within relatively short period of time, joepodizing the health of the sorrounding population, if not appropriately protected. In this study, distribution of gas phase VOCs was monitored during excavation of a site remediation project, using a combined method of field testing instrument and gas phase sampling tubes. Monitoring results indicated that gas phase concentration decreased with distance, exhibiting an alternating peak-and-valley pattern in the down-wind direction. The monitoring results could be stimulated using Gaussian Puff Model. Remediation site health and safety zoning method was developed combining appropriate workplace health and safety air limits and site monitoring results. Personal protection measures deemed appropriated for each safety zone were proposed" |
Keywords: | Air Pollutants/*analysis China *Environmental Monitoring *Environmental Restoration and Remediation Humans *Occupational Exposure Soil/chemistry Volatile Organic Compounds/*analysis; |
Notes: | "MedlineGan, Ping Yang, Yue-Wei Fang, Zeng-Qiang Guo, Shu-Qian Yu, Yan Jia, Jian-Li chi China 2014/03/20 Huan Jing Ke Xue. 2013 Dec; 34(12):4619-26" |