Online Resources from Across the Industry
Pipe & Equipment Websites
Regulatory Agencies
- ASTM: American Society for Testing & Materials
- AWWA: American Water Works Association (AWWA)
- PPI: Plastic Pipe Institute
- AGA: American Gas Association
Reference Materials
Useful reference materials are provided below. Many are a link to a 
PDF document that you can view, save, print or email, others link to our partner websites.
PDF document that you can view, save, print or email, others link to our partner websites.Engineering Manual
PP 501 - Polyethylene Piping for Water Distribution and Transmission
PP 502 - Polyethylene Piping for Municipal and Industrial Sewer Applications
PP 503 - Polyethylene Piping for Municipal and Industrial Applications
PP 504 - Polyethylene Piping for Underground Fire Main Systems