This second edition of Plastic Piping Systems is more new than revised including new information you need and can use easily. Chapters on material and product selection, methods of joining plastics, piping design, installation, repair and maintenance, cost comparisons, and applications have all been changed to include historical information on the plastics industry, information on flammability and toxicity of plastics, information on designing above and below ground piping systems, and updated piping material sizes. Also added are dozens of photographs of the various pipe, valves, fittings, and fabrications available today. This second edition has been substantially revised and now includes an expanded appendix which now includes a comprehensive glossary with a listing of commonly used plastic and industry abbreviations, an expanded chemical resistance chart of over 600 chemicals, and many other useful items.