Please note that some provisions of this approval are shown in strikeout for the sole 

purpose of showing what provisions are not incorporated into the Massachusetts Regional 

Haze State Implementation Plan (SIP). The provisions shown in strikeout are a part of the

approval and are state enforceable. 

This information is available in alternate format. Call Michelle Waters-Ekanem, Diversity Director, at 617-292-5751. TDD# 1-866-539-7622 or 1-617-574-6868

MassDEP Website: www.mass.gov/dep

Printed on Recycled Paper

March 27, 2012

Mr. Lamont W. Beaudette RE: SALEM – Metropolitan Boston /

Dominion Energy Salem Harbor, LLC. Northeast Region

Salem Harbor Station 310 CMR 7.29

24 Fort Avenue Power Plant Emission Standards

Salem, MA 01970 Application No. NE-12-003

Transmittal No. X241756

FINAL AMENDED

EMISSION CONTROL PLAN APPROVAL

Dear Mr. Beaudette:

The Metropolitan Boston/Northeast Region of the Department of Environmental 

Protection, Bureau of Waste Prevention (“MassDEP”), has reviewed your proposal, received

January 31, 2012, to amend the 310 CMR 7.29 Emission Control Plan (ECP) included with the 

Administrative Consent Order (ACO-NE-03-7001) of June 19, 2003. The ECP concerns how 

emission limitations and compliance schedules for the control of certain designated pollutants 

contained in 310 CMR 7.29, “Emission Standards for Power Plants,” will be implemented for 

equipment and processes at the Dominion Energy Salem Harbor, LLC. - Salem Harbor Station 

(ORIS Code: 01626) facility (“the facility” or “the affected facility”) located at 24 Fort Avenue 

in Salem, Massachusetts. Your proposal to amend the ECP was submitted as required per 310 

CMR 7.29(6)(a)4. for the incorporation of strategies to maintain compliance with 310 CMR 

7.29 and in order for the Commonwealth to meet its obligation under Section 169A of the 

Clean Air Act to address regional haze, as described in MassDEP’s Regional Haze State 

Implementation Plan. This submittal for amendment of the ECP bears the signature of Mr. 

Lamont W. Beaudette as the company contact responsible for compliance with 310 CMR 7.29.

LEGAL AUTHORITY

MassDEP has adopted 310 CMR 7.29 - a regulation to lower emissions of sulfur 

dioxide (SO2), carbon dioxide (CO2), nitrogen oxides (NOx), and mercury (Hg) from certain 

power plants, and to establish a framework for reductions in emissions of carbon monoxide 

(CO) and fine particulate matter (PM2.5) - pursuant to the Massachusetts General Laws, 

Chapter 111, Sections 142 A-M.

Regulation 310 CMR 7.29 requires any person who owns, leases, operates or controls 
Dominion Energy Salem Harbor, LLC – Salem Harbor Station Final Amended Emission Control Plan Approval

Application No. NE-12-003, Transmittal No. X241756

Page 2 of 9

an affected facility to comply with 310 CMR 7.29 in its entirety. An affected facility means a 

facility which emitted greater than 500 tons of SO2 and 500 tons of NOx during any of the 

calendar years 1997, 1998, or 1999, and which includes a unit which is a fossil fuel fired 

boiler or indirect heat exchanger that: (1) is regulated by 40 CFR Part 72 (the Federal Acid 

Rain Program); (2) serves a generator with a nameplate capacity of 100 megawatts (MW) 

or more; (3) was originally permitted prior to August 7, 1977; and (4) had not subsequently 

received a Plan Approval pursuant to 310 CMR 7.00: Appendix A or a Permit pursuant to the 

regulations for Prevention of Significant Deterioration, 40 CFR Part 52, prior to October 31, 

1998.

The purpose of 310 CMR 7.29 is to control emissions of NOx, SO2, Hg, CO, CO2, and 

PM2.5 (together, "pollutants") from affected electric generating facilities in Massachusetts. 

310 CMR 7.29 accomplishes this by establishing maximum output-based emission rates for 

NOx, SO2, and CO2, establishing maximum output-based emission rates or minimum 

removal efficiencies for Hg, and establishing a cap on CO2 and Hg emissions from affected 

facilities. The CO2 emissions standards do not apply to CO2 emissions after December 31, 

2008. The regulations do not impose CO and PM2.5 emission standards at this time but 

indicate that development of emission standards is reserved. 

Applicable requirements and limitations contained in 310 CMR 7.29 shall not supersede, 

relax or eliminate any more stringent conditions or requirements (e.g. emission limitation(s), 

testing, record keeping, reporting, or monitoring requirements) established by regulation or 

contained in a facility's previously issued source specific Plan Approval(s) or Emission Control 

Plan(s). The facility must amend its Operating Permit Application to include the ECP Approval.

MassDEP issued a Draft Amended ECP Approval on February 17, 2012. Pursuant to 310 

CMR 7.29(6)(h)1., public notice of this Draft Amended ECP Approval was published in 

accordance with M.G.L. c. 30A in The Salem News on February 24, 2012, followed by a 30-

day public comment period. As such, the public comment period ended on March 26, 2012. 

During the public comment period, no comments were received.

Based upon the above, MassDEP has determined that the referenced ECP Application is 

administratively and technically complete and that the proposed amendments are in 

conformance with current air pollution control engineering practices and hereby issues this 

Final Amended ECP Approval for the proposed modifications of your power plant unit(s), 

with the conditions listed below.

* Legend to Abbreviated Terms within Tables 1 through 6:

EU # = Emission Unit Number

NOx = Nitrogen Oxides

SO2 = Sulfur Dioxide

Hg = Mercury

CO = Carbon Monoxide

CO2 = Carbon Dioxide

PM2.5 = Fine Particulate Matter

MMBTU/HR = fuel heat input in million British Thermal Units per hour

MW (NET) = net electrical output in Megawatts

lbs/MWh = pounds per Megawatt-hour of net electrical output

lbs/GWh = pounds per Gigawatt-hour of net electrical output

ACO = Administrative Consent Order

GHG = Greenhouse Gas

No. = Number

< = Less than or equal to

> = Greater than or equal to
Dominion Energy Salem Harbor, LLC – Salem Harbor Station Final Amended Emission Control Plan Approval

Application No. NE-12-003, Transmittal No. X241756

Page 3 of 9

1. EQUIPMENT DESCRIPTION

The following emission units (Table 1) are subject to and regulated by this ECP 

Approval:

Table 1 *

EU # DESCRIPTION OF 

EMISSION UNIT

EU DESIGN CAPACITY POLLUTION CONTROL MEASURES (PCM)

(MMBTU/HR) MW (NET)

EU 1 Babcock & Wilcox

Model No. RB103

Water Tube Boiler

954 84 Low NOx Burners (LNB)

Selective Non-Catalytic Reduction

(SNCR)

Combustion Tuning and Controls

Electrostatic Precipitators

Management of Lower Sulfur Fuels

EU 2 Babcock & Wilcox

Model No. RB103

Water Tube Boiler

966 81 Selective Non-Catalytic Reduction 

(SNCR)

Combustion Tuning and Controls

Electrostatic Precipitators

Management of Lower Sulfur Fuels

EU 3 Babcock & Wilcox

Model No. RB284

Water Tube Boiler

1,696 150 Low NOx Burners with Overfire Air

Selective Non-Catalytic Reduction

(SNCR)

Reagent (Calcium Bromide) Injection 

System [application for proposal under 

review, Transmittal No. X250364]

Combustion Tuning and Controls

Electrostatic Precipitators

Management of Lower Sulfur Fuels

EU 4 Riley Stoker

Model No. 1SR

Water Tube Boiler

4,800 440 Low NOx Burners

Selective Non-Catalytic Reduction

(SNCR) [application for proposal under 

review, Application No. MBR-11-COM004, Transmittal No. X238706]

Combustion Tuning and Controls

Electrostatic Precipitators

Management of Lower Sulfur Fuels
Dominion Energy Salem Harbor, LLC – Salem Harbor Station Final Amended Emission Control Plan Approval

Application No. NE-12-003, Transmittal No. X241756

Page 4 of 9

2. APPLICABLE REQUIREMENTS

A. EMISSION LIMITS AND RESTRICTIONS

The facility owner/operator shall comply with the emission limits/restrictions as 

contained in Table 2 below. The schedule for compliance with these emission limitations is 

contained in Section 3. Compliance Schedule of this ECP Approval.

Table 2 *

EU # POLLUTANT EMISSION LIMIT/STANDARD APPLICABLE REGULATION’

APPROVAL NUMBER, 

AND/OR ADMINISTRATIVE 

CONSENT ORDER

EU 1, 

EU 2, 

EU 3, 

EU 4

NOx < 1.5 lbs/MWh calculated over any consecutive 12 month 

period, recalculated monthly 1

310 CMR 7.29(5)(a)1.a.

ACO-NE-03-7001

ACO-NE-03-7001-AMEND#1

< 3.0 lbs/MWh calculated over any individual calendar 

month 1

310 CMR 7.29(5)(a)1.b.

ACO-NE-03-7001

ACO-NE-03-7001-AMEND#1

SO2 < 6.0 lbs/MWh calculated over any consecutive 12 month 

period, recalculated monthly 1, 2

310 CMR 7.29(5)(a)2.a.

ACO-NE-03-7001

ACO-NE-03-7001-AMEND#1

< 3.0 lbs/MWh calculated over any consecutive 12 month 

period, recalculated monthly 1, 2, 3

310 CMR 7.29(5)(a)2.b.i.

ACO-NE-03-7001

ACO-NE-03-7001-AMEND#1

< 6.0 lbs/MWh calculated over any individual calendar 

month 1, 2, 3

310 CMR 7.29(5)(a)2.b.ii.

ACO-NE-03-7001

ACO-NE-03-7001-AMEND#1

EU 1, 

EU 2, 

EU 3

EU 1, 

EU 2, 

EU 3, 

EU 4

Table 2 Notes:

1. In accordance with 310 CMR 7.29(5)(b)1., compliance with the emission standards in 310 CMR 7.29(5)(a) 

may be demonstrated by dividing the total emissions of each pollutant by the total net electrical output 

from all electric generating units subject to 40 CFR Part 72 located at the affected facility as of May 11, 

2001 or repowered at the affected facility after May 11, 2001. 

2. In accordance with 310 CMR 7.29(5)(b)2., compliance with the SO2 emission standards in 310 CMR 

7.29(5)(a)2. may be demonstrated by using SO2 reductions at the affected facility below historical actual 

emissions which were made after May 11, 2001, and prior to the earliest applicable date set in 310 CMR 

7.29(6). The total amount of tons produced through early reductions each year is calculated by multiplying the 

facility’s net electrical output for that year times (the historical actual emission rate minus that year’s actual 

emission rate in lbs/MWh) divided by 2000. The amount of early reductions, with supporting information, shall 

be provided to MassDEP prior to use for compliance with 310 CMR 7.29(5)(a)2.a.. Each ton of reduction may 

be used, once, to offset one ton of excess emissions from the facility. Excess emissions are any emissions 

above a level equal to the net electrical output of the facility times the applicable emission standard in 310 

CMR 7.29(5)(a)2..

3. In accordance with 310 CMR 7.29(5)(b)3., compliance with the SO2 emission standards in 310 CMR 

7.29(5)(a)2.b. may be demonstrated by using SO2 allowances created pursuant to 40 CFR Part 72 (the 

Federal Acid Rain Program). Three allowances shall be used to offset each ton of excess emissions above the 

emission standard. Such SO2 allowances shall be in addition to those allowances used by the facility to comply 
Dominion Energy Salem Harbor, LLC – Salem Harbor Station Final Amended Emission Control Plan Approval

Application No. NE-12-003, Transmittal No. X241756

Page 5 of 9

with the requirements of 40 CFR Part 72, and shall be transferred to MassDEP and retired for the benefit of the 

environment.

B. COMPLIANCE DEMONSTRATION

The facility owner/operator is subject to the monitoring/testing, record keeping, and 

reporting requirements as contained in Tables 3, 4 and 5 below and 310 CMR 7.29, as well as 

the applicable requirements contained in Table 2:

Table 3 *

EU # MONITORING/TESTING REQUIREMENTS

EU 1, EU 2, 

EU 3, EU 4

In accordance with 310 CMR 7.29(7)(b)1., monitor actual emissions, expressed in tons, for 

SO2, and NOx for each of the preceding 12 months. Actual emissions shall be monitored 

for individual units and as a facility total for all units included in the calculation 

demonstrating compliance. Actual emissions shall be monitored in accordance with 40 CFR 

Part 75 for SO2, and NOx. 

In accordance with 310 CMR 7.29(7)(b)2., monitor actual net electrical output for each of 

the preceding 12 months, expressed in megawatt-hours. Actual net electrical output shall 

be monitored for individual units and as a facility total for all units included in the 

calculation demonstrating compliance.

Consistent with 310 CMR 7.29(7)(b)3., calculate the resulting output-based emission rates 

for each of the preceding 12 months, and each of the 12 consecutive rolling month time

periods, expressed in pounds per megawatt-hour, for SO2, and NOx. Output-based 

emission rates shall be calculated for individual units and as a facility total for all units 

included in the calculation demonstrating compliance.

EU 1, EU 2, 

EU 3

EU 1, EU 2, 

EU 3

Table 4 *

EU # RECORD KEEPING REQUIREMENTS
Dominion Energy Salem Harbor, LLC – Salem Harbor Station Final Amended Emission Control Plan Approval

Application No. NE-12-003, Transmittal No. X241756

Page 6 of 9

Table 4 *

EU # RECORD KEEPING REQUIREMENTS

EU 1, EU 2, 

EU 3, EU 4

In accordance with 310 CMR 7.29(7)(b)1., maintain a record of actual emissions, 

expressed in tons for SO2, and NOx, for each of the preceding 12 months. Actual emissions 

shall be recorded for individual units and as a facility total for all units included in the 

calculation demonstrating compliance. Actual emissions provided under 310 CMR 7.29 shall 

be recorded in accordance with 40 CFR Part 75 for SO2, and NOx. 

In accordance with 310 CMR 7.29(7)(b)2., maintain a record of actual net electrical output 

for each of the preceding 12 months, expressed in megawatt-hours. Records of actual net 

electrical output shall be maintained for individual units and as a facility total for all units 

included in the calculation demonstrating compliance.

In accordance with 310 CMR 7.29(7)(b)3., maintain a record of the resulting output-based 

emission rates for each of the preceding 12 months, and each of the 12 consecutive rolling 

month time periods, expressed in pounds per megawatt-hour for SO2, and NOx. Outputbased emission rates shall be recorded for individual emission units and as a facility total 

for all units included in the calculation demonstrating compliance.

EU 1, EU 2, 

EU 3, EU 4

In accordance with 310 CMR 7.29(7)(d), keep all measurements, data, reports and other 

information required by 310 CMR 7.29 on-site for a minimum of five years, or any other 

period consistent with the affected facility's Operating Permit.

EU 1, EU 2, 

EU 3

Table 5 *

EU # REPORTING REQUIREMENTS

EU 1, EU 2, 

EU 3, EU 4

In accordance with 310 CMR 7.29(7)(a), the company representative responsible for 

compliance shall submit a compliance report to MassDEP by January 30 of each year and 

pursuant to the schedule stated in MassDEP’s Amended Administrative Consent Order (ACONE-03-7001-AMEND#1) demonstrating the facility’s compliance status with the emission 

standards contained in 310 CMR 7.29(5)(a) and in an approved ECP. The report shall 

demonstrate compliance with any applicable monthly emission rate for each month of the 

previous calendar year and with any applicable 12-month emission rate for each of the 12 

previous consecutive 12-month periods. The compliance report shall contain all of the 

applicable SO2, and NOx elements listed in 310 CMR 7.29(7)(b).

EU 1, EU 2, 

EU 3, EU 4

EU 1, EU 2, 

EU 3

Table 5 Notes:

1. If the ISO final settlement of actual electrical output is not available, the facility shall submit a 

compliance report based on provisional values of actual electrical output. Upon receiving 
Dominion Energy Salem Harbor, LLC – Salem Harbor Station Final Amended Emission Control Plan Approval

Application No. NE-12-003, Transmittal No. X241756

Page 7 of 9

certified ISO values of actual electrical output for all provisional months within the calendar 

year, the facility shall submit a revised compliance report within 30 days thereafter.

3. COMPLIANCE SCHEDULE

The owner/operator of the affected facility shall ensure that it shall be in full 

compliance with the applicable requirements contained in Table 2 in accordance with the 

schedule as specified in the Administrative Consent Order (ACO-NE-03-7001) signed on June 

19, 2003, and as amended on May 23, 2005, and as stated within 310 CMR 7.29.

Furthermore, the affected facility owner/operator has proposed additional compliance 

strategies to comply with 310 CMR 7.29 and to provide the necessary NOx and SO2 emissions 

reductions in order for the Commonwealth to meet its obligation under Section 169A of the 

Clean Air Act to address regional haze, as described in MassDEP’s Regional Haze State 

Implementation Plan.

Compliance with 310 CMR 7.29 will continue to be met by utilizing a combination of 

existing and new control strategies identified in Table 1, above. In addition, EU 4 NOx

compliance options will be burner tuning/maintenance, which may include new atomizer 

nozzles and flame stabilizers, water injection technology (into fuel, flame zone, or furnace), or 

staged combustion and SNCR. These technologies or measures will be used singly or in 

combination as necessary to achieve compliance.

With respect to the obligations necessary to address regional haze, the facility

owner/operator shall utilize a combination of NOx and/or SO2 emission caps on EU 1 and EU 2 

and shall permanently shutdown EU 3 and EU 4 by June 1, 2014 (For the purposes of this ECP 

Approval “shutdown” means ceasing to operate these units as coal fired units. It does not 

preclude repowering of the units after receipt of the appropriate Approvals and/or permits from

MassDEP (and other agencies as applicable).). Furthermore, the facility owner/operator shall 

not use SO2 Early Reduction Credits or Federal Acid Rain Allowances for SO2 compliance 

effective June 1, 2014. The emission unit specific requirements are contained in Section 4 of 

this ECP Approval.

4. SPECIAL CONDITIONS FOR ECP

1. In accordance with 310 CMR 7.29(7)(c), MassDEP may verify compliance by 

whatever means necessary, including but not limited to: inspection of a unit’s 

operating records; requiring the person who owns, leases, operates or controls an 

affected facility to submit information on actual electrical output of company 

generating units provided to that person by the New England Independent System 

Operator (ISO); testing emission monitoring devices; and, requiring the person who 

owns, leases, operates or controls an affected facility to conduct emissions testing 

under the supervision of MassDEP.

2. In accordance with 310 CMR 7.29(4)(c), in case of imminent threat to the reliability of 

New England’s electricity system, MassDEP may promulgate an emergency regulation 

as per M.G.L. c. 30A, §§ 2 and 3, to mitigate the emergency situation.

3. In accordance with 310 CMR 7.29(4)(b), any person subject to 310 CMR 7.29 shall 

comply with all other applicable regulations. If provisions or requirements from any 

other regulation or Permit conflict with a provision of 310 CMR 7.29, the more 

stringent of the provisions will apply unless otherwise determined by MassDEP. 

Regardless of MassDEP’s determination, any person subject to 310 CMR 7.29 shall 

comply with all applicable federal requirements.
Dominion Energy Salem Harbor, LLC – Salem Harbor Station Final Amended Emission Control Plan Approval

Application No. NE-12-003, Transmittal No. X241756

Page 8 of 9

4. The facility owner/operator shall maintain continuous compliance at all times with 

the terms of the Administrative Consent Order (ACO-NE-03-7001) signed on June 19, 

2003, including the amended Consent Order (ACO-NE-03-7001-AMEND#1) dated 

May 23, 2005, and this ECP Approval, consistent with the applicable emission rates 

in 310 CMR 7.29.

5. Should a condition of air pollution occur as a result of the operation of these units, 

then the facility owner/operator shall immediately take appropriate steps to abate 

said condition even though the facility is otherwise in compliance with the 

Administrative Consent Order (ACO-NE-03-7001) and its amendment (ACO-NE-03-

7001-AMEND#1), this ECP Approval, and 310 CMR 7.29.

6. Effective immediately, the facility owner/operator shall ensure that NOx emissions 

from EU 1 shall not exceed 276 tons per rolling 12 month period the calculation of 

which commences on 1/1/2012 and the first full 12 month demonstration shall be 

1/1/2013.

7. Effective immediately, the facility owner/operator shall ensure that NOx emissions 

from EU 2 shall not exceed 50 tons per rolling 12 month period the calculation of 

which commences on 1/1/2012 and the first full 12 month demonstration shall be 

1/1/2013.

8. Effective immediately, the facility owner/operator shall ensure that SO2 emissions 

from EU 2 shall not exceed 300 tons per rolling 12 month period the calculation of 

which commences on 1/1/2012 and the first full 12 month demonstration shall be 

1/1/2013.

9. The facility owner/operator shall maintain adequate records onsite to document 

compliance with the requirements contained in Special Conditions 6., 7. and 8. 

above; and shall make said records available to MassDEP or USEPA personnel upon 

request.

10. Effective June 1, 2014, the facility owner/operator shall ensure that EU 3 and EU 4 

shall cease operation, and shall be permanently shutdown, and rendered inoperable.

11. Effective June 1, 2014, the facility owner/operator is prohibited from utilizing SO2

Early Reduction Credits or Federal Acid Rain Allowances for compliance with the SO2

requirements of 310 CMR 7.29.

5. GENERAL CONDITIONS FOR ECP

1. This ECP Approval may be suspended, modified, or revoked by MassDEP, if at any 

time the facility is violating any applicable Regulation(s) or condition(s) of this ECP 

Approval letter.

2. This ECP Approval letter consists of the facility owner/operator’s Application 

materials, the Administrative Consent Order (ACO-NE-03-7001), and the Amended 

Consent Order (ACO-NE-03-7001-AMEND#1). If conflicting information is found 

between these documents, then the requirements of this ECP Approval letter shall 

take precedence over the documentation in the Application materials.

3. This ECP Approval does not negate the responsibility of the facility owner/operator to 

comply with this or any other applicable federal, state, or local regulations now or in 

the future. Nor does this ECP Approval imply compliance with any other applicable 
Dominion Energy Salem Harbor, LLC – Salem Harbor Station Final Amended Emission Control Plan Approval

Application No. NE-12-003, Transmittal No. X241756

Page 9 of 9

federal, state, or local regulations now or in the future.

4. If provisions or requirements from any other regulation or permit conflict with a 

provision of 310 CMR 7.29, the more stringent of the provisions will apply unless 

otherwise determined by MassDEP in the affected facility owner/operator’s Operating 

Permit.

5. Failure to comply with any of the above conditions will constitute a violation of the 

"Regulations", and can result in the revocation of the ECP Approval granted herein.

Should you have questions concerning this matter or regarding the terms or conditions 

of this ECP Approval, please contact Edward J. Braczyk at (978) 694-3289 or Cosmo Buttaro at 

(978) 694-3281.

Sincerely,

Edward J. Braczyk James E. Belsky

Environmental Engineer Regional Permit Chief

Bureau of Waste Prevention

Cosmo Buttaro

Environmental Engineer

cc: City Hall, 93 Washington Street, Salem, MA 01970

Fire Headquarters, 48 Lafayette Street, Salem, MA 01970

Board of Health, 120 Washington Street, 4th Floor, Salem, MA 01970

Metropolitan Area Planning Council, 60 Temple Place, Boston, MA 02111

United States Environmental Protection Agency (USEPA) - New England Regional 

Office, 5 Post Office Square, Suite 100, Mail Code OEP05-2, Boston, Massachusetts 

02109-3912, Attention: Manager – Air Permits Program

MassDEP/Boston (E-Copies): Yi Tian, Marc Wolman, Glenn Keith

MassDEP/NERO: Marc Altobelli (E-Copy & Hard Copy), Mary Persky (Hard Copy), 

Cosmo Buttaro