Pilot duty time will be calculated beginning from the designated reporting time.
Bill Date The date when a CenturyLink service is billed and/or invoiced to a customer. The Bill Date is generally the date one (1) Day past the billing cycle close date and will appear on any such bill or invoice.
PM means particulate matter.
Afternoon shift means any shift finishing after 6.00 p.m. and at or before midnight.
Billing Date means the date upon which the monthly statement is generated and debited to the customer's account.
Delay time means the difference in time between the change of the component to be measured at the reference point and a system response of 10 per cent of the final reading (t10) with the sampling probe being defined as the reference point.