The latest edition of this classic, definitive reference work for all those involved in environmental health is opened by a new chapter which discusses the changing approaches to environmental health. There are other new chapters on risk assessment and the epidemiology of non-infectious diseases with new introductory chapters both for food safety and occupational health and safety which place those activities into the rapidly changing conceptual and organisational contexts. There is new work on meat hygiene to highlight developments in that area and substantial new material on the enforcement function and on air pollution. There are also new organisational case studies.With approaches, procedures and legislation in environmental health changing so rapidly, this updated edition of the standard text is essential reference material for professionals in the field.Clay's Handbook of Environmental Health was first published in 1933. The only book of its kind in the UK, it is regularly consulted by environmental health officers for its comprehensive presentation of information on law, administration, principles and practice; and it is recommended reading for students on environmental health and community medicine courses.e Seventeenth Edition won the 1996 BMA Medical Book of the Year Award, Public Health Category.