Appendix F: Summary of Statistical, Fuel, and RDL Variability for New Sources

Measurement Detection 

Level Variability

Average Emissions 

of Top 12%

Maximum Run 

Emission Value

Total Number of 

Test Runs for Top 

12% (ET + FA data)

UPL

99% Confidence 

Level

Test on Statistical 

Variability 

(UPL/Max best perf. 

test run ) 3x RDL

Max Ratio (all data 

outliers removed, 

fuel-specific)

Avg. Ratio for Ratios 

>1 (data outliers 

removed, subcatspecific)

99% Combined 

Variance * Max Ratio 

(all data outliers 

removed, fuel-specific)

99% UPL * Avg Ratio >1 

(all data outliers 

removed, fuel-specific)

Solid Fuel 8.0E-07 5.81E-08 1.77E-07 27 6.95E-07 3.9 7.9E-07 No Data No Data No Data

Liquid 4.8E-07 7.04E-08 7.65E-08 3 8.62E-08 1.1 4.6E-07 1.04 4.74E-07

Process Gas 7.9E-06 6.20E-06 6.88E-06 3 7.85E-06 1.1 4.3E-07 No Data No Data No Data No Data

Solid Fuel 2.2E-02 7.96E-04 2.10E-03 6 6.63E-02 31.6 3.0E-04 No Data No Data No Data

Liquid 4.4E-04 3.99E-04 6.24E-04 6 1.28E-03 2.1 1.8E-04 2.46 4.31E-04

Process Gas 1.7E-03 1.23E-03 1.40E-03 3 1.67E-03 1.2 6.3E-05 No Data No Data No Data No Data

Biomass

Dutch Oven/

Pile Burner 3.9E-05 1.55E-05 2.34E-05 3 3.88E-05 1.7 2.07E-05 No Data No Data No Data No Data

FB 8.3E-05 1.40E-05 1.65E-05 3 2.06E-05 1.2 8.24E-05 No Data No Data No Data No Data

Fuel Cell 2.9E-05 1.62E-05 2.24E-05 6 2.86E-05 1.3 1.81E-05 No Data No Data No Data No Data

Suspension Burner 6.5E-03 4.74E-03 5.25E-03 3 6.42E-03 1.2 7.72E-05 No Data No Data No Data No Data

Suspension/Grate 4.4E-04 1.87E-04 3.65E-04 12 4.40E-04 1.2 N/A No Data No Data No Data No Data

Biomass Stoker-Wet 2.6E-05 5.83E-06 1.83E-05 7 2.57E-05 1.4 1.12E-05 No Data No Data No Data No Data

Biomass Stoker-Dry 4.0E-03 2.90E-03 3.19E-03 3 3.97E-03 1.2 N/A No Data No Data No Data No Data

Coal 2.30E-05 1.12E-05 2.03E-05 6 2.28E-05 1.1 1.01E-05 1.14 2.6E-05

Liquid

Heavy Liquid 7.50E-05 3.29E-05 4.06E-05 3 7.50E-05 1.8 2.90E-05 1.13 8.5E-05

Light Liquid 2.90E-05 1.26E-05 1.87E-05 3 2.85E-05 1.5 1.10E-05 No Data No Data No Data No Data

Non-Continental 8.60E-04 8.52E-04 8.52E-04 8 8.52E-04 1.0 N/A No Data No Data No Data No Data

Process Gas 2.1E-04 6.74E-05 9.14E-05 2 2.06E-04 2.3 3.41E-05 No Data No Data No Data No Data

Biomass

Dutch Oven/

Pile Burner 3.1E-03 1.56E-03 2.00E-03 9 3.08E-03 1.5 3.0E-03 N/A N/A N/A N/A

FB 1.0E-02 6.65E-03 7.56E-03 3 9.73E-03 1.3 1.6E-03 N/A N/A N/A N/A

Fuel Cell 2.0E-02 6.92E-03 2.43E-02 9 3.06E-02 1.3 2.8E-03 N/A N/A N/A N/A

Suspension Burner 5.1E-02 2.23E-02 3.30E-02 3 5.06E-02 1.5 6.4E-03 N/A N/A N/A N/A

Suspension/Grate 2.6E-02 9.61E-03 2.40E-02 32 2.59E-02 1.1 2.6E-03 N/A N/A N/A N/A

Biomass Stoker-Wet 3.4E-02 9.41E-03 3.00E-02 27 4.14E-02 1.4 2.9E-03 N/A N/A N/A N/A

Biomass Stoker-Dry 3.2E-01 2.13E-01 2.46E-01 3 3.14E-01 1.3 2.8E-03 N/A N/A N/A N/A

Coal 1.7E-03 5.73E-04 8.88E-04 6 1.65E-03 1.9 1.39E-03 N/A N/A N/A N/A

Liquid

Heavy Liquid 1.3E-02 1.10E-02 1.15E-02 3 1.26E-02 1.1 5.2E-03 N/A N/A N/A N/A

Light Liquid 1.1E-03 5.11E-04 7.19E-04 3 1.02E-03 1.4 1.10E-03 N/A N/A N/A N/A

Non-Continental 2.3E-02 8.33E-03 1.75E-02 9 2.23E-02 1.3 2.3E-03 N/A N/A N/A N/A

HCl (lb/mmBtu)

TSM (lb/mmBtu)

PM (lb/mmBtu)

Statistical Variability Fuel Variability

Hg (lb/mmBtu)

Subcategory

MACT Floor 

(Rounded to two 

Sig Figs)

Emissions Data Characteristics
Appendix F: Summary of Statistical, Fuel, and RDL Variability for New Sources

Measurement Detection 

Level Variability

Average Emissions 

of Top 12%

Maximum Run 

Emission Value

Total Number of 

Test Runs for Top 

12% (ET + FA data)

UPL

99% Confidence 

Level

Test on Statistical 

Variability 

(UPL/Max best perf. 

test run ) 3x RDL

Max Ratio (all data 

outliers removed, 

fuel-specific)

Avg. Ratio for Ratios 

>1 (data outliers 

removed, subcatspecific)

99% Combined 

Variance * Max Ratio 

(all data outliers 

removed, fuel-specific)

99% UPL * Avg Ratio >1 

(all data outliers 

removed, fuel-specific)

Statistical Variability Fuel Variability

Hg (lb/mmBtu)

Subcategory

MACT Floor 

(Rounded to two 

Sig Figs)

Emissions Data Characteristics

Process Gas 6.7E-03 6.10E-03 6.30E-03 3 6.67E-03 1.1 1.0E-03 N/A N/A N/A N/A

Biomass

Dutch Oven/

Pile Burner 330 185.22 309.75 9 329.17 1.1 N/A N/A N/A N/A N/A

FB 230 98.78 136.27 3 225.33 1.7 N/A N/A N/A N/A N/A

Fuel Cell 910 232.14 379.35 12 905.91 2.4 N/A N/A N/A N/A N/A

Suspension Burner 2,400 488.45 2,342.18 12 16,983.53 7.3 N/A N/A N/A N/A N/A

Suspension/Grate 1,100 445.61 1,648.52 43 1,021.84 0.6 N/A N/A N/A N/A N/A

Biomass Stoker-Wet 620 188.61 742.51 18 612.82 0.8 N/A N/A N/A N/A N/A

Biomass Stoker-Dry 460 268.26 311.35 3 457.47 1.5 N/A N/A N/A N/A N/A

Coal

FB 25 8.89 14.20 3 24.18 1.7 N/A N/A N/A N/A N/A

FB w/ integrated FB Heat 

Exchanger 140 104.30 114.09 3 133.14 1.2 N/A N/A N/A N/A N/A

PC 60 5.49 5.72 3 6.06 1.1 N/A N/A N/A N/A N/A

Stoker/Other 19 4.29 4.67 3 5.43 1.2 N/A N/A N/A N/A N/A

Liquid

Heavy Liquid 12 8.71 9.66 3 11.43 1.2 N/A N/A N/A N/A N/A

Light Liquid 3 1.03 1.03 3 1.05 1.0 2.28 N/A N/A N/A N/A

Non-Continental 25 12.39 19.37 9 24.36 1.3 N/A N/A N/A N/A N/A

Process Gas 5 2.42 3.29 3 4.54 1.4 N/A N/A N/A N/A N/A

CO (ppm @ 3% O2)