asphalt processing / gas flows / measurement site / stack gas flow / gas flow / gas flow angle determinations / gas volume / exhaust gas volume flow rate / gas streams / gas flow component / continuous emission monitoring systems / stack gas velocity / wool fiberglass insulation manufacturing industry / particulate-laden gas streams / printing inks / gas chromatography / fuel gas streams / chosen measurement site / stationary gas turbines / gas volumetric flow rates / certain specific equipment / gas flow angles / gas stream / /