Development of Biological Treatment Maintenance Materials Factor

This excel file contains the following worksheets:

FGD_Cap_costs

This excel workbook documents EPA's derivation of the factor used to estimate maintenance material costs 

associated with the biological treatment system.

EPA obtained system level costs associated with General Electric's (GE) ABMet biological treatment system. 

These system level costs do not include costs associated with materials needed to perform routine 

maintenance activities. Maintenance material costs are included as part of the cost estimate to cover such 

expenses. EPA used data from plants reporting cost data for FGD wastewater treatment systems in the Steam 

Electric Survey to estimate the these maintenance material costs as a percentage of the other operating and 

maintenance costs which include energy costs, chemical purchase costs, operating labor costs, and 

maintenance labor costs.

Output from the Steam Electric Survey Database for all responses to question D6-2 

provided for FGD treatment systems. All treatment systems identified as FGD wastewater 

treatment systems are included in this worksheet. The costs associated with maintenance 

materials only are included in this workbook. For these plants EPA compared the 

maintenance material cost to the total O&M cost reported by the plant to calculate the 

percentage associated with maintenance materials, this percentage is calculated in column 

AW. EPA used the average percentage (10%) and recalculated the percentage to reflect 

maintenance materials as a function of all O&M costs excluding maintenance materials. 

This results in an average value of 11% which is highlighted in yellow.
FGD_Wastewater_Treatment.plant_id plant_name

3597 Marshall Steam Station

8308 Miami Fort Station

4547 TransAlta Centralia Generation, LLC

3831

RRI Energy Keystone Generating 

Station

7884 Hatfield's Ferry Power Station

7884 Hatfield's Ferry Power Station

5477

Michigan South Central Power 

Agency

3146 B L England

3146 B L England

4543 Mountaineer Plant

904

Muscatine Power and Water 

Generating Station

2269 Bruce Mansfield Plant

2550 Allen Steam Station

4122 PPL Brunner Island

4122 PPL Brunner Island

103 W. H. Sammis Plant

5570 Asheville Steam Electric Plant

4679

Dominion - Chesterfield Power 

Station

4237 Brandon Shores

4237 Brandon Shores

6283 Pleasant Prairie Power Plant

6283 Pleasant Prairie Power Plant

2297 Chalk Point Generating Station

1381 EME Homer City Generation L.P.

2536 JEA- St. Johns River Power Park

8353 Jeffrey Energy Center

4702 Plant Crist

4861 Kenneth C. Coleman Station

9671 AES Cayuga LLC

9671 AES Cayuga LLC

8661 Belews Creek Steam Station

8661 Belews Creek Steam Station

9225 Fort Martin Power Station

6377 Tampa Electric - Big Bend Station

9805 PPL Montour

9805 PPL Montour
2268 Conemaugh

2268 Conemaugh

5015 Dickerson Generating Station

7785 Seminole Generating Station

7785 Seminole Generating Station

7785 Seminole Generating Station

5470 Intermountain Power Project

14 Gibson Generating Station

9161 John E. Amos Plant

4533 Monroe Power Plant

6616 Mirant Mid-Atlantic, LLC

3265 Cardinal

1236 Mitchell Plant

1402 Conesville

3196 Cayuga
cbi_FGD_wwts_tech FGD_wwts_tech_chemprecip cbi_WWT_ID

[Redacted] [Redacted] FALSE

[Redacted] [Redacted] FALSE

[Redacted] [Redacted] FALSE

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[Redacted] [Redacted] TRUE

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[Redacted] [Redacted] TRUE

[Redacted] [Redacted] TRUE
WWT_Systems.System_ID Plant_Desig

WWT-1 FGD WWSRS and CWTS

WWT-1 FGD Wastewater Treatment

WWT-1 Boron Removal

WWT-1 FGD WWT

WWT-1 FGD WWT

WWT-2 Station Primary WWT

WWT-1 WWTP

WWT-1 Scrubber System

WWT-2 Industrial Flows

[Redacted] [Redacted]

WWT-1 Waste Water Treatment

WWT-1 Little Blue Run

WWT-1 FGD WWTS

[Redacted] [Redacted]

[Redacted] [Redacted]

WWT-1 FGD WWT

WWT-1 FGD Treatment

WWT-1 FGD WWT Plant

WWT-1 Plant IWWT

WWT-2 FGD WWT

WWT-1 WPDES System

WWT-2 FGD WWTS

WWT-1 FGD WWTP

WWT-1 WWT

WWT-1 CWWTF

WWT-1 FGD Blowdown Treatment System

WWT-1 UIC Conditioning System

WWT-1 WWT Clarifier & Multimedia Filters

WWT-1 Process Water Reclamation Facility

WWT-2 FGD Wasterwater Treatment System

WWT-1 FGD WWTS

WWT-2 Constructed Wetlands Treatment Sytem

WWT-1 Plant WWT

WWT-1 FGD Wastewater Treatment System

[Redacted] [Redacted]

[Redacted] [Redacted]
[Redacted] [Redacted]

[Redacted] [Redacted]

WWT-1 FGD WWTP

WWT-1 EPF Ponds

WWT-2 Purgewaer Treatment

WWT-3 Wastewater Treatment

[Redacted] [Redacted]

WWT-1 WWT

WWT-1 CPS WWTP

WWT-1 FGD WWT

WWT-1 FGD WWTP

WWT-1 FGD CPS WWTP

WWT-1 CPS WWTP

[Redacted] [Redacted]

[Redacted] [Redacted]
Pond_WWT_OandM.plant_id Pond_WWT_OandM.System_ID

3597 WWT-1

8308 WWT-1

4547 WWT-1

3831 WWT-1

7884 WWT-1

[Redacted] [Redacted]

2550 WWT-1

[Redacted] [Redacted]

[Redacted] [Redacted]

103 WWT-1

5570 WWT-1

4679 WWT-1

6283 WWT-2

2297 WWT-1

1381 WWT-1

8353 WWT-1

4702 WWT-1

4861 WWT-1

8661 WWT-1

8661 WWT-2

9225 WWT-1

[Redacted] [Redacted]

[Redacted] [Redacted]
[Redacted] [Redacted]

[Redacted] [Redacted]

7785 WWT-2

[Redacted] [Redacted]

14 WWT-1

9161 WWT-1

4533 WWT-1

6616 WWT-1

3265 WWT-1

1236 WWT-1

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cbi_Pond_WWT_OandM OM_Opr_Annual OM_Opr_Rate_Hours

TRUE [Redacted] [Redacted]

TRUE [Redacted] [Redacted]

TRUE [Redacted] [Redacted]

TRUE [Redacted] [Redacted]

FALSE 312833 55

TRUE [Redacted] [Redacted]

TRUE [Redacted] [Redacted]

TRUE [Redacted] [Redacted]

TRUE [Redacted] [Redacted]

FALSE -555 -555

FALSE 46811.25 42.75

TRUE [Redacted] [Redacted]

TRUE [Redacted] [Redacted]

FALSE -999 -999

TRUE [Redacted] [Redacted]

FALSE -111 -999

FALSE -111 -999

TRUE [Redacted] [Redacted]

TRUE [Redacted] [Redacted]

TRUE [Redacted] [Redacted]

FALSE -111 -111

TRUE [Redacted] [Redacted]
TRUE [Redacted] [Redacted]

TRUE [Redacted] [Redacted]

TRUE [Redacted] [Redacted]

FALSE -999 -999

FALSE -111 -111

TRUE [Redacted] [Redacted]

TRUE [Redacted] [Redacted]

TRUE [Redacted] [Redacted]

TRUE [Redacted] [Redacted]
OM_Opr_Staffing_Workers OM_Opr_Staffing_hpd OM_Opr_Staffing_dpy

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1.3 24 184

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-555 -555 -555

3 1 365

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-999 -999 -999

-111 -111 -111

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OM_MLabor_Annual OM_MLabor_Rate_Hours OM_MLabor_Staffing_Workers

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-555 -555 -555

51488.88 35.17 8

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OM_MLabor_Staffing_hpd OM_MLabor_Staffing_dpy OM_MMaterials_Annual

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-999 -999 15197

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-555 -555 -555

1 183 2025

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OM_Chemicals_Annual OM_Energy_Pump_Annual OM_Energy_Pump_kWh

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86358 -999 -999

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-555 -555 -555

33915.7 2324.65 0.01

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OM_Energy_Pump_Consump_kWh/h OM_Energy_Other_Annual

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-999 -999

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-555 -555

232465.2 -555

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-999 -111

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-111 -111

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OM_Energy_Other_kWh OM_Energy_Other_Consump_kWh/h OM_Steam_Annual

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-999 -999 -999

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OM_Steam_pounds OM_Steam_Consump_pounds/hr OM_HazDrdg_Annual

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OM_HazDrgd_Rate OM_HazDrgd_Rate_Per OM_HazLandfill_Annual

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OM_HazLandfill_Rate OM_HazLandfill_Rate_Per OM_NonHazDrgd_Annual

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OM_NonHazDrgd_Rate OM_NonHazDrgd_Rate_Per OM_NonHazLandfill_Annual

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-999 No Answer 42000

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-555 No Answer -555

-999 No Answer 67392.95

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OM_NonHazLandfill_Rate OM_NonHazLandfill_Rate_Per

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-111 No Answer

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-555 No Answer

53.33 ton

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OM_Other1 OM_Other1_Annual OM_Other2

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Misc. operating expense 54891

Misc. Operating 

costs

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-999 -999 -999

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OM_Other2_Annual OM_Total_Annual Materials/Total

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13000 524279

0.028986475

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-999 -555

-999 203958.43 0.009928494

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-999 -555

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-999 -111

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Avg % Materials Cost over Total %Materials Over Total-Material

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