On July 4th, the group had a party dinner together farewelling Jabir Hussain Syed. Jabir completed his PIFI fellowship as a visiting scientist and is going back to Pakistan. Before that, Jabir delivered a talk introducing the brick kilns emission in South Asia as a component for finishing his PIFI study, and he received the PIFI certificate form CAS, which was presented by Gan. Attended in the gathering was also Liu Boyu from University of Malaya who visited us for a month analyzing FFAS in samples collected from major rivers and the western coast of Malaysian peninsula, and is leaving.  In the meantime, Yago Guida from Brazil joined the group also as a PIFI fellow. We had Sichaun food for the dinner. It has been a pleasure for us to have Jabir and Boyu with us, and Yago to join us!