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Virginia Administrative Code
Title 9. Environment
Agency 5. State Air Pollution Control Board
Chapter 530. Electric Generator Voluntary Demand Response General Permit
10/31/2025

9VAC5-530-260. Emissions limits.

A. Manufacturer certified emissions of each CI affected unit located in either an attainment or nonattainment area shall not exceed the limits specified in Table V-1.

Table V-1
Emissions Limits for CI Units Located in Either an Attainment or Nonattainment Area


Model Year

Emission Limits
g/kW-hr (g/bhp-hr)

PM

PM10

PM2.5

CO

VOC

NOx

Pre 2011

0.10

0.10

0.10

3.5

0.40

0.67

(0.075)

(0.075)

(0.075)

(2.6)

(0.30)

(0.50)

2011-2014

0.10

0.10

0.10

3.5

0.40

0.67

(0.075)

(0.075)

(0.075)

(2.6)

(0.30)

(0.50)

2015+

0.03

0.03

0.03

3.5

0.19

0.67

(0.022)

(0.022)

(0.022)

(2.6)

(0.14)

(0.50)

B. Emissions from the operation of each CI affected unit located in either an attainment or nonattainment area during testing shall not exceed the limits specified in Table V-2.

Table V-2
Emissions Limits During Testing for CI Units Located in Either an Attainment or Nonattainment Area


Model Year

Emission Limits
g/kW-hr (g/bhp-hr)

PM

PM10

PM2.5

CO

VOC

NOx

Pre 2011

0.13

0.13

0.13

4.4

0.50

0.84

(0.097)

(0.097)

(0.097)

(3.3)

(0.37)

(0.63)

2011-2014

0.13

0.13

0.13

4.4

0.50

0.84

(0.097)

(0.097)

(0.097)

(3.3)

(0.37)

(0.63)

2015+

0.04

0.04

0.04

4.4

0.24

0.84

(0.030)

(0.030)

(0.030)

(3.3)

(0.18)

(0.63)

C. Manufacturer certified emissions of each SI affected unit located in either an attainment or nonattainment area shall not exceed the limits specified in Table V-3.

Table V-3
Emissions Limits for SI Engines Located in Either an Attainment or Nonattainment Area


Model Year

Emission Limits
g/kW-hr (g/bhp-hr)

PM

PM10

PM 2.5

CO

VOC

NOx

Pre 2011

0.015

0.015

0.015

2.68

0.94

1.34

(0.011)

(0.011)

(0.011)

(2.0)

(0.7)

(1.0)

2011+

0.015

0.015

0.015

2.68

0.94

1.34

(0.011)

(0.011)

(0.011)

(2.0)

(0.7)

(1.0)

D. Emissions from the operation of each SI affected unit located in either an attainment or nonattainment area during testing shall not exceed the limits specified in Table V-4.

Table V-4
Emissions Limits During Testing for SI Units Located in Either an Attainment or Nonattainment Area


Model Year

Emission Limits
g/kW-hr (g/bhp-hr)

PM

PM10

PM 2.5

CO

VOC

NOx

Pre 2011

0.019

0.019

0.019

3.35

1.18

1.68

(0.014)

(0.014)

(0.014)

(2.5)

(0.88)

(1.25)

2011+

0.019

0.019

0.019

3.35

1.18

1.68

(0.014)

(0.014)

(0.014)

(2.5)

(0.88)

(1.25)

E. Combined emissions from the operation of affected units shall not exceed the limits specified in Table V-5.

Table V-5
Combined Source-Wide Emissions Limits for Affected Units


Pollutant

Nonattainment Areas Emissions (tons/year)

Attainment Areas Emissions (tons/year)

PM

2.8

2.8

PM10

2.8

2.8

PM2.5

2.8

2.8

NOX

24.4

39.4

CO

99.4

99.4

VOC

17.1

27.6

F. Visible emissions from each affected unit shall not exceed 5.0% opacity as determined by Reference Method 9. This condition applies at all times except during startup, shutdown, and malfunction.

Statutory Authority

§§ 10.1-1307.02 and 10.1-1308 of the Code of Virginia.

Historical Notes

Derived from Virginia Register Volume 27, Issue 23, eff. August 17, 2011.

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