The workshop " Diesel Particulate Filters at Construction Site Equipment" will take place 22. und 23. Mai 2013 in Berlin, Rathaus
Schoeneberg.
See www.stadtentwicklung.berlin.de/umwelt/luftqualitaet/de/luftreinhalteplan_projekte/programm.shtml.
The participation is free of cost, registration is requested before 25. April 2013.