“…As addressed in GB 20950-2007, implementation of emission control in China's bulk gasoline terminals had been just required since May 1st 2008, January 1st 2010 and January 1st 2012, respectively, for the BeijingeTianjian region, the Pearl River Delta region and the Yangtze River Delta region, which are three major densely populated and economically developed city clusters or megacities in China. Receptor modeling based on observed data had revealed that VOCs from oil evaporation contributed 7e30% in Beijing (Yuan et al, 2009;Wang et al, 2010), 15% in Shanghai (Cai et al, 2010), 4.3e7.6% in Hong Kong (Lau et al, 2010) and 5e10% in the Pearl River Delta region (Liu et al, 2008b;Ling et al, 2011;Zhang et al, 2012bZhang et al, , 2013 to the total man-made VOC emission.…”