4 UNITED NATIONS ENVIRONMENTAL PROGRAM Acknowledgements This publication was produced by the UNEP Division of Technology, Industry and Economics (DTIE) OzonAction Branch with financial support of the Swedish Environmental Protection Agency. It was produced in the framework of the “HCFC Help Desk” project to encourage developing countries to achieve compliance with their HCFC phase-out obligations and adopt environmentally friendly alternatives to HCFCs. The project was managed by the following team in the OzonAction Branch, UNEP DTIE, France: M r. Rajendra Shende Head M r. James S. Curlin Interim Network and Policy Manager M s. Barbara Huber Programme Assistant M r. Ruperto De Jesus Programme Assistant M s. Mugure Kibe Ursulet Documentation Assistant This pubpublicationicationication wasas writtenitten by: M r. Klas Berglof Owner, Berglof Refrigeration Technology Ltd, Sweden The reviewers: D r. Husamuddin Ahmadzai Senior Adviser Swedish Environmental Protection Agency D r. Janusz Kozakiewicz Associate Professor, Head of Ozone Layer and Climate Protection Unit, ICRI, Poland D r. Ezra Clark Programme Officer, OzonAction Branch, UNEP DTIE, France Desiesign: Atomo Design Amsterdam Photohotohoto credits: Photos used in figures © Klas Berglof Photo of R-22 cylinder on page 17 © Environmental Investigation Agency Job Number: DTI/1282/PA