Cancer Risk Assessment of Volatile Organic Compounds in an Ornament Market in Tianjin, China

Cancer risk of exposure of salesperson in an ornament market to volatile organic compounds (VOCs) was evaluated. VOCs were sampled by SUMMA canister and analyzed by thermal desorption-Gas Chromatograph-Mass Spectrometer system. 8-hours average concentrations of dichloromethane and toluene were the highest (110.94µg/m3 and 58.83µg/m3), which were well below the indoor air quality standard (GB/T 18883-2002). The cancer risk associated with dichloromethane and toluene were exceeded the U.S. EPA benchmark (10-6). The total non-cancer risk was 0.42, which was below the reference level (HI=1) of U.S. Environmental Protection Agency.