lIn lean burn
engines 30-70% of the NOx is NO2
•Reciprocating gas lean-burn engine.
•Diesel engines & 2 stroke engines
•Turbines,
•
lNO2 is a reactive gas
–Sticky
–Soluble in water
•
lConsequence, NOx can
be underreported by using improper
sample conditioning methods or simply, by not measuring NO2. (is NO2 considered in
permit?)