NOTE: Draft determinations are marked with a " * " beside the RBLC ID. 

 Required fields are denoted by "+".

  

Report Date: 05/05/2010            Control Technology Determinations (Freeform) 

Facility Information: CONTINENTAL ENERGY SERVICES, INC., SILVER BOW GEN 

RBLC ID: MT-0019

+Corporate/Company

Name: CONTINENTAL ENERGY SERVICES, INC.

+Facility Name: CONTINENTAL ENERGY SERVICES, INC., SILVER BOW GEN 

Facility County: SILVER BOW

Facility State: MT

Facility ZIP Code: 59701

Facility Country: USA

Facility Contact Name: TERRY WEBSTER

Facility Contact Phone: 406-448-6013

Facility Contact Email:

EPA Region: 8

Agency Code: MT001

Agency Name: MONTANA DEPT OF ENVIRONMENTAL QUALITY

Agency Contact: MR. DAN WALSH 

Agency Phone: (406)444-0285 

Agency Email:

Other Agency Contact

Info:

DAN WALSH 

MT

406-444-0285

+Permit Number: 3165-00

+SIC Code: 4911

NAICS Code: 221112

Facility Registry System

Number: 110017421976

Application Accepted

Received Date: 07/20/2001 ACT

Permit Issuance Date: 06/07/2002 ACT

Date determination

entered in RBLC: 09/09/2003

Date determination last

updated: 06/28/2004

Permit Type: A: New/Greenfield Facility 

Permit URL:

Facility Description: NATURAL GAS FIRED COMBINED CYCLE POWER PLANT

Permit Notes: Additional plantwide emissions: PM10 = 227 t/yr

Affected Boundaries: CONTINENTAL ENERGY SERVICES, INC., SILVER BOW GEN 

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+Boundary (Class 1

Area or US Border

Name): Anaconda-Pintlar

Boundary Type (Class 1

or Intl Border): CLASS1

Distance: < 100 km 

Class 1 Area State: MT

+Boundary (Class 1

Area or US Border

Name): Yellowstone NP

Boundary Type (Class 1

or Intl Border): CLASS1

Distance: Between 100km and 250km 

Class 1 Area State: MT

Facility-wide Emissions: CONTINENTAL ENERGY SERVICES, INC., SILVER BOW GEN 

+Pollutant Name: Carbon Monoxide

Facility-wide Emissions

Increase: 732.0000 (Tons/Year)

+Pollutant Name: Nitrogen Oxides (NOx)

Facility-wide Emissions

Increase: 168.0000 (Tons/Year)

+Pollutant Name: Particulate Matter (PM)

Facility-wide Emissions

Increase: 235.0000 (Tons/Year)

+Pollutant Name: Sulfur Oxides (SOx)

Facility-wide Emissions

Increase: 10.7000 (Tons/Year)

+Pollutant Name: Volatile Organic Compounds (VOC)

Facility-wide Emissions

Increase: 94.2000 (Tons/Year)

Process Information: CONTINENTAL ENERGY SERVICES, INC., SILVER BOW GEN 

+Process Name: TURBINE, COMBINED CYCLE 1

+Process Type: 15.210

Primary Fuel: NATURAL GAS

Throughput: 500.00

Throughput Unit: MW

Process Notes: Throughput is combined for two 175 MW gas turbines and one 150 MW

steam turbine. Source testing and inspections will be used for future

compliance demonstrations.
Pollutant Information: CONTINENTAL ENERGY SERVICES, INC., SILVER BOW GEN -

TURBINE, COMBINED CYCLE 1 

+Pollutant Name Volatile Organic Compounds (VOC)

Pollutant Group(s): ( Volatile Organic Compounds (VOC) ) 

+CAS Number: VOC

Test Method: Unspecified

+Control Method Code: N

+Control Method

Description:

Emission Limit 1: 17.0000

Emission Limit 1 Unit: LB/H

Emission Limit 1 Avg.

Time/Condition:

Emission Limit 2: 0

Emission Limit 2 Unit:

Emission Limit 2 Avg.

Time/Condition:

Standard Emission

Limit: 0

Standard Emission

Limit Unit:

Standard Limit Avg.

Time/Condition:

+Case-by-Case Basis: Other Case-by-Case

Other Applicable

Requirements:

Did factors, other then

air pollution technology

considerations influence

the BACT decisions?:

+Percent Efficiency:

Compliance Verified: Unknown 

Cost Effectiveness:

Incremental Cost

Effectiveness:

Cost Verified (Y/N)?: Yes

Dollar Year Used In

Cost Estimates:

Pollutants/Compliance

Notes:

+Pollutant Name Particulate matter, filterable < 10 μ (FPM10)

Pollutant Group(s): ( Particulate Matter (PM) ) 

+CAS Number: PM

Test Method: Unspecified

+Control Method Code: N
+Control Method

Description:

Emission Limit 1: 32.4000

Emission Limit 1 Unit: LB/H

Emission Limit 1 Avg.

Time/Condition:

Emission Limit 2: 0

Emission Limit 2 Unit:

Emission Limit 2 Avg.

Time/Condition:

Standard Emission

Limit: 0

Standard Emission

Limit Unit:

Standard Limit Avg.

Time/Condition:

+Case-by-Case Basis: Other Case-by-Case

Other Applicable

Requirements:

Did factors, other then

air pollution technology

considerations influence

the BACT decisions?:

+Percent Efficiency:

Compliance Verified: Unknown 

Cost Effectiveness:

Incremental Cost

Effectiveness:

Cost Verified (Y/N)?: Yes

Dollar Year Used In

Cost Estimates: 2000

Pollutants/Compliance

Notes:

+Pollutant Name Nitrogen Oxides (NOx)

Pollutant Group(s): ( InOrganic Compounds , Oxides of Nitrogen (NOx) , Particulate Matter

(PM) ) 

+CAS Number: 10102

Test Method: Unspecified

+Control Method Code: A

+Control Method

Description: SCR

Emission Limit 1: 25.2000

Emission Limit 1 Unit: LB/H

Emission Limit 1 Avg.

Time/Condition:

Emission Limit 2: 0

Emission Limit 2 Unit:
Emission Limit 2 Avg.

Time/Condition:

Standard Emission

Limit: 3.0000

Standard Emission

Limit Unit: PPM @ 15% O2

Standard Limit Avg.

Time/Condition:

+Case-by-Case Basis: BACT-PSD

Other Applicable

Requirements:

Did factors, other then

air pollution technology

considerations influence

the BACT decisions?:

+Percent Efficiency: 88.000

Compliance Verified: Unknown 

Cost Effectiveness: 5,800 ($/ton)

Incremental Cost

Effectiveness:

Cost Verified (Y/N)?: No

Dollar Year Used In

Cost Estimates: 2000

Pollutants/Compliance

Notes:

+Pollutant Name Carbon Monoxide

Pollutant Group(s): ( InOrganic Compounds ) 

+CAS Number: 630-08-0

Test Method: Unspecified

+Control Method Code: N

+Control Method

Description:

Emission Limit 1: 139.9000

Emission Limit 1 Unit: LB/H

Emission Limit 1 Avg.

Time/Condition:

Emission Limit 2: 0

Emission Limit 2 Unit:

Emission Limit 2 Avg.

Time/Condition:

Standard Emission

Limit: 5.2700

Standard Emission

Limit Unit: PPM @ 15% O2

Standard Limit Avg.

Time/Condition:

+Case-by-Case Basis: Other Case-by-Case
Other Applicable

Requirements:

Did factors, other then

air pollution technology

considerations influence

the BACT decisions?:

+Percent Efficiency:

Compliance Verified: Unknown 

Cost Effectiveness:

Incremental Cost

Effectiveness:

Cost Verified (Y/N)?: Yes

Dollar Year Used In

Cost Estimates:

Pollutants/Compliance

Notes:

Process Information: CONTINENTAL ENERGY SERVICES, INC., SILVER BOW GEN 

+Process Name: TURBINE, COMBINED CYCLE 2

+Process Type: 15.210

Primary Fuel: NATURAL GAS

Throughput: 500.00

Throughput Unit: MW

Process Notes: Throughput is for two 175 MW gas turbines, and one 150 MW steam

turbine. Source testing and inspections will be used for future compliance

demonstration.

Pollutant Information: CONTINENTAL ENERGY SERVICES, INC., SILVER BOW GEN -

TURBINE, COMBINED CYCLE 2 

+Pollutant Name Nitrogen Oxides (NOx)

Pollutant Group(s): ( InOrganic Compounds , Oxides of Nitrogen (NOx) , Particulate Matter

(PM) ) 

+CAS Number: 10102

Test Method: Unspecified

+Control Method Code: A

+Control Method

Description: SCR

Emission Limit 1: 25.2000

Emission Limit 1 Unit: LB/H

Emission Limit 1 Avg.

Time/Condition:

Emission Limit 2: 0

Emission Limit 2 Unit:

Emission Limit 2 Avg.

Time/Condition:
Standard Emission

Limit: 3.0000

Standard Emission

Limit Unit: PPM @ 15% O2

Standard Limit Avg.

Time/Condition:

+Case-by-Case Basis: BACT-PSD

Other Applicable

Requirements:

Did factors, other then

air pollution technology

considerations influence

the BACT decisions?:

+Percent Efficiency: 88.000

Compliance Verified: Unknown 

Cost Effectiveness:

Incremental Cost

Effectiveness:

Cost Verified (Y/N)?: No

Dollar Year Used In

Cost Estimates: 2000

Pollutants/Compliance

Notes:

+Pollutant Name Carbon Monoxide

Pollutant Group(s): ( InOrganic Compounds ) 

+CAS Number: 630-08-0

Test Method: Unspecified

+Control Method Code: N

+Control Method

Description:

Emission Limit 1: 139.9000

Emission Limit 1 Unit: LB/H

Emission Limit 1 Avg.

Time/Condition:

Emission Limit 2: 0

Emission Limit 2 Unit:

Emission Limit 2 Avg.

Time/Condition:

Standard Emission

Limit: 5.2700

Standard Emission

Limit Unit: PPM @ 15% O2

Standard Limit Avg.

Time/Condition:

+Case-by-Case Basis: Other Case-by-Case

Other Applicable

Requirements:
Did factors, other then

air pollution technology

considerations influence

the BACT decisions?:

+Percent Efficiency:

Compliance Verified: Unknown 

Cost Effectiveness:

Incremental Cost

Effectiveness:

Cost Verified (Y/N)?: No

Dollar Year Used In

Cost Estimates:

Pollutants/Compliance

Notes:

+Pollutant Name Volatile Organic Compounds (VOC)

Pollutant Group(s): ( Volatile Organic Compounds (VOC) ) 

+CAS Number: VOC

Test Method: Unspecified

+Control Method Code: N

+Control Method

Description:

Emission Limit 1: 17.0000

Emission Limit 1 Unit: LB/H

Emission Limit 1 Avg.

Time/Condition:

Emission Limit 2: 0

Emission Limit 2 Unit:

Emission Limit 2 Avg.

Time/Condition:

Standard Emission

Limit: 0

Standard Emission

Limit Unit:

Standard Limit Avg.

Time/Condition:

+Case-by-Case Basis: Other Case-by-Case

Other Applicable

Requirements:

Did factors, other then

air pollution technology

considerations influence

the BACT decisions?:

+Percent Efficiency:

Compliance Verified: Unknown 

Cost Effectiveness:

Incremental Cost

Effectiveness:
Cost Verified (Y/N)?: No

Dollar Year Used In

Cost Estimates:

Pollutants/Compliance

Notes:

+Pollutant Name Particulate matter, filterable < 10 μ (FPM10)

Pollutant Group(s): ( Particulate Matter (PM) ) 

+CAS Number: PM

Test Method: Unspecified

+Control Method Code: N

+Control Method

Description:

Emission Limit 1: 32.4000

Emission Limit 1 Unit: LB/H

Emission Limit 1 Avg.

Time/Condition:

Emission Limit 2: 0

Emission Limit 2 Unit:

Emission Limit 2 Avg.

Time/Condition:

Standard Emission

Limit: 0

Standard Emission

Limit Unit:

Standard Limit Avg.

Time/Condition:

+Case-by-Case Basis: Other Case-by-Case

Other Applicable

Requirements:

Did factors, other then

air pollution technology

considerations influence

the BACT decisions?:

+Percent Efficiency:

Compliance Verified: Unknown 

Cost Effectiveness:

Incremental Cost

Effectiveness:

Cost Verified (Y/N)?: No

Dollar Year Used In

Cost Estimates:

Pollutants/Compliance

Notes:

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