The National Plumbing Codes Handbook by R. Woodson is a reference book that explains plumbing codes. As of 2015, this practical guide is the standard code book for the plumbing industry and covers BOCA, UBC and SPC codes.
The book explains the latest code specifications for procedures, materials, documentation and installations. Book sections include administrative procedures and policies, regulations and code enforcement, approved materials, and drainage and sewage systems. Additionally, this handbook contains information on septic system failures, fixtures, private water supplies and well problems. There are tests that can be taken to improve knowledge, charts used for troubleshooting and business forms.