Safety margin definition
Safety margin means the amount by which the total projected emissions from all sources of a given pollutant are less than the total emissions that would satisfy the applicable requirement for reasonable further progress, attainment, or maintenance.
Safety margin means the value expressing the difference between the safety limit and the acceptance criterion established using the conservative approach,
Safety margin means the pressure value that is equal to 10 pounds per square inch gauge (psig) or 10 percent of the test pressure, whichever is greater. The safety margin value is used to determine the maximum allowable operating pressure of an underground storage cavern system.