000

0 20 40 60 80 100 120 140 160 180 200 CO Emissions (ppm)

Conversion Equations #2 OiI: NaturaI Gas:

ppm = (Ib/MMBtu) *1290 ppm= (Ib/MMBtu) *1370 Ib/MMBtu = (ppm)/1290 Ib/MMBtu = (ppm)/1370

ppm = (Ib/MMBtu) *1260 ppm - (Ib/MMBtu) *1340 Ib/MMBtu = (ppm)/1260 Ib/MMBtu = (ppm)/1340

Fig. 17-2 CO Emissions Conversion Curves (15% excess air). Source: Cleaver Brooks

Dry Analysis

Fig. 17-2 CO Emissions Conversion Curves (15% excess air). Source: Cleaver Brooks

Dry Analysis

0 10 20 30 40 50 60 70 80 90 100 VOC Emissions (ppm)

Conversion Equations #2 & #6 Oil: Natural Gas & Propane:

ppm = (Ib/MMBtu) *2000 ppm= (Ib/MMBtu) *2500 Ib/MMBtu = (ppm)/2000 Ib/MMBtu = (ppm)/2500

0 10 20 30 40 50 60 70 80 90 100 VOC Emissions (ppm)

Conversion Equations #2 & #6 Oil: Natural Gas & Propane:

ppm = (Ib/MMBtu) *2000 ppm= (Ib/MMBtu) *2500 Ib/MMBtu = (ppm)/2000 Ib/MMBtu = (ppm)/2500

Fig. 17-1 NOx Emissions Conversion Curves (15% excess air). Source: Cleaver Brooks

Fig. 17-3 VOC Emissions Conversion Curves (15% excess air). Source: Cleaver Brooks

Figures 17-1 through 17-4 are representative emis sions conversion curves for nox, CO, VOC, and SO

Conversion data is provided for ppm and lbm/MMBtu. Values in these curves are based on dry analysis of boiler operation 15% excess air. Conversion curves and equations are provided for natural gas, propane, and fuel oil.

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