ACHD Rules and Regulations : Article XIV : Sewage Disposal
ACHD Rules and Regulations : Article XV : Plumbing and Building Drainage
American Backflow Prevention Association
Bookmark Inc.
Source for purchasing plumbing code manuals and plumbing reference books
Healthy Housing Reference Manual
From the CDC, includes plumbing in chapter 9, and septic systems in chapter 10. Updated in 2006.
NSF Product and Service Listings
Search for NSF certified plumbing and related products by trade name, product standard, material type, location, manufacturer name, NSF standard, or view the complete listings.
Pennsylvania Construction Codes Academy (PCCA)
Training in residential and commercial plumbing code and inspection. Also sells plumbing code manuals.
Plumbing Contractors in Western Pennsyvlania
Directory provided by ThomasNet, the online version of the Thomas Register
ToolBase: Plumbing
Information on plumbing products, design and construction, field tests, case studies, and best practices
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