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Evidence index/Record 52973-2

Page-cited permit extraction

Microsoft Corp DCS - AVC09 Datacenter

Mecklenburg Co., Virginia

QA status Machine-extractedRelease dated July 29, 2026

EVIDENCE NOTE

What the public record says

A machine-extracted candidate of equipment groups and permit limits stated in Virginia DEQ permit 52973-2, with one-based PDF page citations. Permitted terms do not establish actual operation or emissions.

Primary sourceVirginia DEQ permit document

Virginia Department of Environmental Quality

Open original source ↗

Summary fields cite p. 1 ↗, p. 3 ↗.

What this record does not establish

The source confirms the document and its stated fields. This profile does not infer actual emissions, compliance history, operating status, facility capacity or environmental impact where those facts are not established by the cited document.

How to read the status

Issued means the agency granted the permit subject to its conditions. It does not mean every permitted unit is operating, that maximum permitted emissions occur, or that later amendments do not exist.

MACHINE-EXTRACTED CANDIDATE

Equipment and limits,
kept separate from actual use.

These page-cited rows are machine-extracted and still require a second manual review. Verify every reused value against the linked official PDF. Page numbers refer to the one-based position in the linked PDF. Blank values are not zero.

Permitted equipment

0 document-defined equipment groups. Counts and per-unit ratings are transcribed; combined capacity is not calculated.

ReferenceEquipment / modelCount / ratingFuel / controlsStated operating fieldSource

Operating scope

Authorized hours, time windows or an explicit finding that no numeric annual-hour cap was located in the reviewed sections.

ReferenceLimitBasisSource

Permitted emission limits

13 pollutant, unit-group and limit rows. These are permit terms, not measured or actual emissions.

Inspect 13 transcribed limit rows
ReferencePollutantLimitBasis / scopeSource
Cummins Model C3000 D6e engine-generator sets (Ref. EG1-EG20, EG22-EG45, EG47-EG66, EG68-EG97, and EG99-EG128)PM—2.1 lb/hrhourly——p. 7 ↗Machine-extracted from a page line in an older official PDF; literal context: EG99-EG128) shall not exceed the limits specified below: Each Combined PM 2.1 lb/hr 4.1 tons/yr PM10 1.7 lb/hr 3.7 tons/yr
Cummins Model C3000 D6e engine-generator sets (Ref. EG1-EG20, EG22-EG45, EG47-EG66, EG68-EG97, and EG99-EG128)PM—4.1 lb/hrhourly——p. 7 ↗Machine-extracted from a page line in an older official PDF; literal context: EG99-EG128) shall not exceed the limits specified below: Each Combined PM 2.1 lb/hr 4.1 tons/yr PM10 1.7 lb/hr 3.7 tons/yr
Cummins Model C3000 D6e engine-generator sets (Ref. EG1-EG20, EG22-EG45, EG47-EG66, EG68-EG97, and EG99-EG128)NOx as NO2—50.7 lb/hrhourly——p. 7 ↗Machine-extracted from a page line in an older official PDF; literal context: PM10 1.7 lb/hr 3.7 tons/yr PM2.5 1.6 lb/hr 3.6 tons/yr Nitrogen Oxides (as NO2) 50.7 lb/hr 97.5 tons/yr Carbon Monoxide 4.4 lb/hr 8.2 tons/yr
Cummins Model C3000 D6e engine-generator sets (Ref. EG1-EG20, EG22-EG45, EG47-EG66, EG68-EG97, and EG99-EG128)NOx as NO2—97.5 lb/hrhourly——p. 7 ↗Machine-extracted from a page line in an older official PDF; literal context: PM10 1.7 lb/hr 3.7 tons/yr PM2.5 1.6 lb/hr 3.6 tons/yr Nitrogen Oxides (as NO2) 50.7 lb/hr 97.5 tons/yr Carbon Monoxide 4.4 lb/hr 8.2 tons/yr
Cummins Model C3000 D6e engine-generator sets (Ref. EG1-EG20, EG22-EG45, EG47-EG66, EG68-EG97, and EG99-EG128)NOx as NO2—4.4 lb/hrhourly——p. 7 ↗Machine-extracted from a page line in an older official PDF; literal context: PM2.5 1.6 lb/hr 3.6 tons/yr Nitrogen Oxides (as NO2) 50.7 lb/hr 97.5 tons/yr Carbon Monoxide 4.4 lb/hr 8.2 tons/yr Volatile Organic Compounds 2.8 lb/hr 4.5 tons/yr
Cummins Model C3000 D6e engine-generator sets (Ref. EG1-EG20, EG22-EG45, EG47-EG66, EG68-EG97, and EG99-EG128)NOx as NO2—8.2 lb/hrhourly——p. 7 ↗Machine-extracted from a page line in an older official PDF; literal context: PM2.5 1.6 lb/hr 3.6 tons/yr Nitrogen Oxides (as NO2) 50.7 lb/hr 97.5 tons/yr Carbon Monoxide 4.4 lb/hr 8.2 tons/yr Volatile Organic Compounds 2.8 lb/hr 4.5 tons/yr
Cummins Model C3000 D6e engine-generator sets (Ref. EG1-EG20, EG22-EG45, EG47-EG66, EG68-EG97, and EG99-EG128)VOC—2.8 lb/hrhourly——p. 7 ↗Machine-extracted from a page line in an older official PDF; literal context: Nitrogen Oxides (as NO2) 50.7 lb/hr 97.5 tons/yr Carbon Monoxide 4.4 lb/hr 8.2 tons/yr Volatile Organic Compounds 2.8 lb/hr 4.5 tons/yr These emissions are derived from the estimated overall emission contribution from
Cummins Model C3000 D6e engine-generator sets (Ref. EG1-EG20, EG22-EG45, EG47-EG66, EG68-EG97, and EG99-EG128)VOC—4.5 lb/hrhourly——p. 7 ↗Machine-extracted from a page line in an older official PDF; literal context: Nitrogen Oxides (as NO2) 50.7 lb/hr 97.5 tons/yr Carbon Monoxide 4.4 lb/hr 8.2 tons/yr Volatile Organic Compounds 2.8 lb/hr 4.5 tons/yr These emissions are derived from the estimated overall emission contribution from
Cummins QSX15 Series Model DFEK engine-generator sets (Ref. EG21, EG46, EG67, EG98, and EG129)NOx as NO2—10.0 lb/hrhourly——p. 7 ↗Machine-extracted from a page line in an older official PDF; literal context: exceed the limits specified below: Each Combined Nitrogen Oxides (as NO2) 10.0 lb/hr 1.0 tons/yr Carbon Monoxide 0.9 lb/hr
Cummins QSX15 Series Model DFEK engine-generator sets (Ref. EG21, EG46, EG67, EG98, and EG129)NOx as NO2—1.0 lb/hrhourly——p. 7 ↗Machine-extracted from a page line in an older official PDF; literal context: exceed the limits specified below: Each Combined Nitrogen Oxides (as NO2) 10.0 lb/hr 1.0 tons/yr Carbon Monoxide 0.9 lb/hr
Cummins QSX15 Series Model DFEK engine-generator sets (Ref. EG21, EG46, EG67, EG98, and EG129)NOx as NO2—0.9 lb/hrhourly——p. 7 ↗Machine-extracted from a page line in an older official PDF; literal context: Each Combined Nitrogen Oxides (as NO2) 10.0 lb/hr 1.0 tons/yr Carbon Monoxide 0.9 lb/hr These emissions are derived from the estimated overall emission contribution from
visible emissions—10 percent opacityvisible——p. 8 ↗Machine-extracted from a page line in an older official PDF; literal context: (9 VAC 5-80-1180 and 9 VAC 5-50-260) 14. Visible Emission Limit - Visible emissions from each engine-generator set exhausts (Ref. EG1-EG129) shall not exceed 10% opacity except during one 6-minute period in any one hour in which visible emissions shall not exceed 20% opacity as determined by EPA
visible emissions—20 percent opacityvisible——p. 8 ↗Machine-extracted from a page line in an older official PDF; literal context: 14. Visible Emission Limit - Visible emissions from each engine-generator set exhausts (Ref. EG1-EG129) shall not exceed 10% opacity except during one 6-minute period in any one hour in which visible emissions shall not exceed 20% opacity as determined by EPA Method 9 (reference 40 CFR 60, Appendix A). This condition applies at all times except

DOCUMENT HISTORY

What this document says it changes

permit to construct and operate

No superseded-document date is asserted beyond the cited source wording.

p. 1 ↗, p. 3 ↗

QA NOTES

Ambiguity stays visible

  • Machine-extracted candidate. Verify every reused value against the cited official PDF page.
  • Older-PDF text fallback; verify row and unit alignment.

RELATED RESEARCH

What is a data-center air permit?Understand permit types, limits and evidence boundaries →Why data centers use backup generatorsEmergency power, testing and regulated pollutants →
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