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.
T here are two important concepts: 1. Maximum permissible exposure (MPE) , is the level of laser radiation to which a person may be exposed without hazardous effects or biological changes in the eye. MPE levels are determined as a function of laser wavelength, exposure time and pulse repetition.