Requirements VI
When conducting the air sample testing, ensure:
-Measurements are conducted pre-occupancy, ventilated during normal daily start times, and operated at the minimum outside air flow rate throughout the test.
-All interior finishes are installed, and although not required, movable furnishings are in-place during the test.
-The number of sampling points is not less than 1 per 25,000 square feet or for, including areas with the least ventilation and greatest presumed source strength.
– All air samples are collected over a four-hour period from 3 to 6 feet from the floor to the occupants’ breathing area.