Page-verified permit transcription

QTS Dulles, LLC

Loudoun County, Virginia

QA status VerifiedRelease dated July 29, 2026

EVIDENCE NOTE

What the public record says

A manually verified transcription of equipment groups and permit limits stated in Virginia DEQ permit 73757-6, 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. 3, p. 4.

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.

VERIFIED PERMIT TERMS

Equipment and limits,
kept separate from actual use.

This is a conservative transcription of reviewed permit sections, not an exhaustive legal digest. Page numbers refer to the one-based position in the linked PDF. Blank values are not zero.

Permitted equipment

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

ReferenceEquipment / modelCount / ratingFuel / controlsStated operating fieldSource
1510-1-1510-3emergency engine-generator setCaterpillar · C1753 units3000 kW eachdieselSee operating-scope tablep. 5
1510-4emergency engine-generator setCaterpillar · 3516C1 units2500 kW eachdieselSee operating-scope tablep. 5

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

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

Inspect 4 transcribed limit rows
ReferencePollutantLimitBasis / scopeSource
1510-1-1510-3NOx as NO258.5 lb/hrhourlyper unitp. 9
1510-4NOx as NO248.07 lb/hrhourlyper unitp. 9
1510-1-1510-3NOx as NO26.38 tpyannualper unitp. 10
1510-4NOx as NO25.24 tpyannualper unitp. 10

DOCUMENT HISTORY

What this document says it changes

permit amendment

Explicitly supersedes the document dated 2011-06-21; amended 2014-01-30.

p. 3, p. 4

QA NOTES

Ambiguity stays visible

  • Official PDF cover/permit heading checked in the manual second pass.
  • Value transcribed from official permit equipment/condition table; no totals calculated.
  • Directly stated permitted limit; not an actual emissions value.
← Return to evidence index