NHTSA means National Highway Traffic Safety Administration.
Service Management System (SMS) means an off-line system used to access, create, modify, or update information in a Database.
Database Management System (“DBMS”) is a computer process used to store, sort, manipulate and update the data required to provide Selective Routing and ALI.
Safety Management System means a systematic approach to managing safety, including the necessary organisational structures, accountabilities, policies and procedures;
Slow sand filtration means a process involving passage of raw water through a bed of sand at low velocity (generally less than 0.4 meters per hour (m/h)) resulting in substantial particulate removal by physical and biological mechanisms.
Cathodic protection tester means a person who can demonstrate an understanding of the principles and measurements of all common types of cathodic protection systems as applied to buried or submerged metal piping and tank systems. At a minimum, such persons must have education and experience in soil resistivity, stray current, structure-to-soil potential, and component electrical isolation measurements of buried metal piping and tank systems.
Diatomaceous earth filtration means a process resulting in substantial particulate removal in which (1) a precoat cake of diatomaceous earth filter media is deposited on a support membrane (septum), and (2) while the water is filtered by passing through the cake on the septum, additional filter media known as body feed is continuously added to the feed water to maintain the permeability of the filter cake.