Appendix F: Summary of Statistical, Fuel, and Measurement Detection Level Variability for New Sources

Statistical 

Variability

Measurement Detection 

Level Variability

UPL

99% Confidence 

Level 3x RDL

Max Ratio (all data 

outliers removed, 

unit-specific)

99% Combined 

Variance * Max Ratio 

(all data outliers 

removed, fuelspecific)

Solid 3.50E-06 Tie 8.6E-07 6.95E-07 8.60E-07

Liquid 2.10E-07 Tie 4.9E-07 8.62E-08 4.64E-07 1.04 4.85E-07

Process Gas 7.90E-06 Tie 7.9E-06 7.85E-06 4.35E-07

Solid 2.20E-03 Tie 2.2E-02 6.63E-02 2.96E-04 2.34 1.55E-01

Liquid 3.30E-04 Tie 1.2E-03 1.28E-03 1.75E-04 2.46 3.16E-03

Process Gas 1.70E-03 Tie 1.7E-03 1.67E-03 6.30E-05

Biomass

Dutch Oven/

Pile Burner N/A Tie 4.1E-05 4.06E-05 3.26E-06

FB N/A Tie 4.2E-05 2.22E-05 4.12E-05

Fuel Cell N/A Tie 4.9E-05 2.85E-05 4.85E-05

Suspension Burner N/A Tie 1.1E-03 1.04E-03 1.58E-05

Suspension/Grate N/A Tie 4.9E-04 4.97E-04 4.47E-04

Wet Biomass Stoker N/A Tie 2.6E-05 2.57E-05 1.11E-05

Dry Biomass Stoker N/A Tie 4.0E-03 3.97E-03 N/A

Coal

FB N/A Tie 1.7E-05 1.55E-05 1.42E-05 1.14 1.76E-05

PC N/A Tie 2.8E-05 1.25E-05 2.80E-05

Stoker/Other N/A Tie 2.2E-05 9.24E-06 2.15E-05

Heavy Liquid N/A Tie 9.6E-05 7.37E-05 3.01E-06 1.13 8.36E-05

Light Liquid N/A Tie 2.9E-05 2.85E-05 4.19E-06

Non-Continental N/A Tie 7.4E-05 7.37E-05 3.01E-06

Process Gas N/A Tie 2.4E-04 2.33E-04 1.11E-04

No Data

No Data

No Data

No Data

No Data

No Data

No Data

No Data

No Data

No Data

No Data

No Data

No Data

No Data

No Data

HCl (lb/mmBtu)

TSM8 (lb/mmBtu)

Subcategory Notes

Distribution (Normal, Lognormal 

or Tie)

(Lognormal or Ties default to 

lognormal distribution using 

Bhaumik and Gibbons approach for 

lognormal distributions. Normal 

distributions use proposed UPL 

approach.)

Fuel Variability

Hg (lb/mmBtu)

March 21st Final 

Rule Floor 

MACT Floor 

(Rounded to two 

Sig Figs)

Process Gas N/A Tie 2.4E-04 2.33E-04 1.11E-04

Biomass

Dutch Oven/

Pile Burner 1.10E-03 Log-Normal 3.6E-02 6.92E-02 1.14E-03

FB 1.10E-03 Tie 9.8E-03 9.73E-03 7.77E-04

Fuel Cell 1.10E-03 Tie 1.1E-02 1.06E-02 1.21E-03

Suspension Burner 1.10E-03 Tie 5.1E-02 5.06E-02 3.18E-03

Suspension/Grate 1.10E-03 Tie 2.6E-02 2.59E-02 2.86E-03

Wet Biomass Stoker 1.10E-03 Log-Normal 4.8E-03 4.73E-02 1.46E-03

Dry Biomass Stoker 1.10E-03 Tie 3.2E-01 3.19E-01 1.39E-03

Coal

FB 1.10E-03 Tie 1.1E-03 1.08E-03 8.90E-04

PC 1.10E-03 Tie 1.3E-03 1.30E-03 6.29E-04

Stoker/Other 1.10E-03 Tie 2.8E-02 1.81E-01 1.33E-03

Heavy Liquid 1.30E-03 Tie 1.3E-02 1.26E-02 2.59E-03

Light Liquid 1.30E-03 Tie 1.1E-03 1.02E-03 5.52E-04

Non-Continental 1.30E-03 Tie 8.0E-03 5.27E-01 1.19E-03

Process Gas 6.70E-03 Tie 6.7E-03 6.67E-03 5.25E-04

Biomass

Dutch Oven/

Pile Burner N/A Tie 810 2,030.1

FB 260 Tie 230 225.3

Fuel Cell 470 Tie 210 204.1

Suspension Burner N/A Tie 58 57.9

Suspension/Grate 1500 Tie 1,500 1,500.3

Wet Biomass Stoker 160 Tie 430 428.9

Dry Biomass Stoker 160 Tie 250 242.3

Coal

FB 18 Tie 17 16.3

PC 12 Tie 9 9.0

Stoker/Other 6 Tie 19 18.5

Heavy Liquid 3 Tie 10 10.3

Light Liquid 3 Tie 3 3.0

Non-Continental 51 Tie 18 18.0

Process Gas 3 Tie 4 3.6

Represents the variability selected as the MACT floor emission limit for the subcategory.

Represents the variability selected is less stringent than the MACT floor for existing units from the same subcategory.

Non-continental data in blue underline is represented by #6 Oil data.

 3x RDL Not Applicable 

for CO 

No Data

PM (lb/mmBtu)

CO (ppm @ 3% O2)