Background In order to improve the quality of air and to reduce the level of particulate matter (PM10) in urban areas, different methods of coagulating dust particles through dust-binding agents have been used, but only in separate actions. Scope exists to produce broader environmental benefits (concerning PM10 reduction) by combining different types of methods for using dust-binding agents during the washing of streets and construction sites. Objectives The LIFE ADB project’s main objective is to demonstrate specific methods for coagulating dust particles in urban areas through dust-binding agents that reduce airborne particulate matter (PM10). A pilot programme will be carried out throughout Bucharest where different agents will be applied (one based on magnesium acetate and calcium, another one based on a solution made out of exclusively natural compounds) on busy traffic boulevards and streets. The project will help confirm optimal variables (freeze-thaw, season, weather, traffic data) and parameters (concentration, dilution, etc.) for determining the most suitable dust-binding agent for Bucharest. Specific objectives are to Establish a method and piloting combined application (depending on the season and other environmental factors) of different types of dust-binding agents; Draw up regulations by applying dust-building agents on busy traffic boulevards and construction sites in order to reduce the level of PM10; Consult with stakeholders on the new set of rules and regulations; and Disseminate project results, so that they can be applied in other contexts. Expected results: Testing of different dust-binding methods at six test sites (covering around 200 km of streets) experiencing very heavy traffic and one test area situated near a construction site; Demonstration of a methodology for testing in the selected areas; Application of treatments for a minimum of 168 days in the target areas; and A guidance manual that is informed by project conclusions vis-à-vis correlations between application of different coagulants and their effects on PM10 values, in different meteorological and traffic conditions.