The 9th Regional Refresher Workshop was held in New Delhi, India on 10-12 December 2012. The workshop was organized by the Central Pollution Control Board (CPCB), India, the Regional Center for Wet and Dry Deposition Monitoring and co-organized by the Secretariat for the Malé Declaration, the Regional Resource Centre for Asia and the Pacific (RRC.AP). The objectives of the workshop included: to provide hands-on-training on the use of different monitoring and laboratory equipment and enhance knowledge on quality assurance/quality control aspects; to discuss the progress of the implementation of Malé Declaration monitoring activities during Phase IV; to discuss the plan for Phase V implementation of the Malé Declaration; and to discuss the data submitted by the participating countries. The capacity building events initiated in the previous implementation phases of the Malé Declaration are being continued during the Phase IV implementation. Mr. J.S. Kamyotra, Chairman of CPCB, welcomed all participants. He commended the efforts of the Malé Declaration through the years, being the network that finds solutions to the problem of transboundary air pollution in the region.