During the brief opening ceremony messages were delivered by Mr. Marco Pinzon from the UNited Nations Environment Programme Regional Office for Latin America and the Caribbean (UNEP ROLAC), Mr. Henry Frederick, President of the Grenada Refrigeration, Air-conditioning and Ventilating Association (GRAVA) and Mr.Leslie Smith Project Officer in the National Ozone Unit.  Participants introduced themselves and indicated their expectations from attending the workshop.  The Topics covered on Day 1 were: Introduction to Natural Refrigerants – Physical and chemical properties, Advantages of Hydrocarbons, Safe use, transportation and storage of Hydrocarbons, installation differences and case studies in Grenada and St. Lucia.  Also, a presentation was made vis Skype by Ms Nina Masson of Shecco (www.hydrocarbons21.com) to give a global perspective on the application of hydrocarbon technology.