American Society of Civil Engineers

{pdf} Guidelines for the physical security of water utilities, ANSI/ASCE/EWRI 56-10 Guidelines for the physical security of wastewater/stormwater utilities, ANSI/ASCE/EWRI 57-10 (ASCE/EWRI 56-10) and Guidelines for the Physical Security of Wastewater/Stormwater Utilities American Society of Civil Engineers