SAMPLER: PORTABLE DIRECT-READING
INSTRUMENT (with filter, if required)
FLOW RATE: ~0.1 L/min to ~20 L/min
(system-dependent)
VOL-MIN: Instrument dependent
-MAX: None
PRESSURE: Extracted gases between 96.6 kPa and 103
kPa (725 mmHg and 795 mmHg) absolute
TEMPERATURE: Extracted gases between 10 °C and 30 °C
BLANKS: Nitrogen gas, or zero air