Predictive emissions monitoring system or “PEMS” means all of the equipment necessary to monitor process and control device operational parameters (for example, control device secondary voltages and electric currents) and other information (for example, gas flow rate, O2 or CO2 concentrations), and calculate and record the mass emissions rate (for example, lb/hr) on a continuous basis.
explosive actuated fastening device means a tool that is activated by an explosive charge and that is used for driving bolts, nails and similar objects for the purpose of providing fixing;
Impervious surface means a surface that has been covered with a layer of material so that it is highly resistant to infiltration by water.
Impervious area means any surface that does not allow stormwater to infiltrate into the ground.
Boarding Area means the point where the passenger’s flight coupons are lifted and kept by the carrier or the point where the carrier examines the passenger’s boarding pass prior to the passenger being permitted on the aircraft.