Liu Xin, Shizhen and Mahdi were awarded Best Flash Talk Prize on the postdoctoral annual meeting of GIG on November 1st. Among them, Liu Xin won the second prize, and Shizhen and Mahdi obtained the third prize. Liu Xin’s work has been on the application of the diffusive gradients in thin-films passive sampler for estimating the level of illicit drug in Hanoi and Guangzhou. Shizhen focused her research on a better understanding of the major contributions of unintentionally-produced PCBs in the air of China. Mahdi investigated antibiotics in wastewater treatment plants (WWTPs) and receiving waters across Iran. Great job and congratulations!