What is a 'Credit Facility'. A credit facility is a type of loan made in a business or corporate finance context, including revolving credit, term loans, committed facilities, letters of credit and most retail credit accounts.
The threshold limit value (TLV) of a chemical substance is a level to which it is believed a worker can be exposed day after day for a working lifetime without adverse health effects. Threshold limit value-Time weighted average (TLV-TWA): average exposure on the basis of a 8h/day, 40h/week work schedule.
Toxic gas exposure limits and alarm levels. Alarm Levels. It is important to note that whereas portable gas detection instruments measure and alarm at the TWA levels, instantaneous alarms set at the same numerical values of the 8hr TWA are included to provide early warning of an exposure to dangerous gas concentrations.