This will be a substantial revision of a well-regarded work in the biopharmaceutical area, that supplies a basic education of cleaning validation. Each chapter will be updated with major emphasis put on microbiological cleaning of equipment surfaces, protocols for encapsulation machines and manufacturing vessels. There will also be extensive coverage on WHO (World Health Organization) good manufacturing guidelines for clean validation standards. The author is also proposing the inclusion of specific case studies related to appropriate chapters, where the author's own technical experience in these matters will be illustrated.