Backflow Protection on Water-Based Fire Protection SystemsGuidance for water purveyors, waterworks operators, fire line personnel, professional consultants, and licensed testers. Download PDF: rg-345.pdf (178k) What is PDF? PDF (Portable Document Format) is an electronic portable document file format that has captured all the elements of a printed document as an electronic image that you can view, navigate, print, or forward to someone else. A PDF document will have a .pdf filename extension (example: filename.pdf). For more information about downloading, viewing, and printing pdf files view the PDF Help Page. |
