Page-cited permit extraction

Amazon Data Services, Inc. IAD-55 IAD-64 IAD-84

Prince William 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 74052-9, 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

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

Reference	Equipment / model	Count / rating	Fuel / controls	Stated operating field	Source
`60`	emergency engine generator setCaterpillar · C18	1 units600 kW each	diesel fuel oil—	See operating-scope table—	p. 5 ↗Machine-extracted from an official document equipment table; column grouping requires second review.
`1, 2, 3`	emergency engine generator setCaterpillar · 3516C-HD	3 units2500 kW each	diesel fuel oil—	See operating-scope table—	p. 5 ↗Machine-extracted from an official document equipment table; column grouping requires second review.
`8 through 20`	emergency engine generator setCaterpillar · 3516C- HD	13 units2500 kW each	diesel fuel oil—	See operating-scope table—	p. 5 ↗Machine-extracted from an official document equipment table; column grouping requires second review.
`M1, M2, M3`	emergency engine generator setCaterpillar · 3516C	3 units2000 kW each	diesel fuel oil—	See operating-scope table—	p. 5 ↗Machine-extracted from an official document equipment table; column grouping requires second review.
`T1`	emergency engine generator setCaterpillar · 3516C	1 units2000 kW each	diesel fuel oil—	See operating-scope table—	p. 5 ↗Machine-extracted from an official document equipment table; column grouping requires second review.
`4`	emergency engine generator setCaterpillar · 3512C	1 units1500 kW each	diesel fuel oil—	See operating-scope table—	p. 5 ↗Machine-extracted from an official document equipment table; column grouping requires second review.
`5, 6, 7, 21 through 59`	emergency engine generator setCaterpillar · 3516C-HD	42 units2500 kW each	diesel fuel oil—	See operating-scope table—	p. 5 ↗Machine-extracted from an official document equipment table; column grouping requires second review.
`T2 through T8`	emergency engine generator setCaterpillar · 3516C	7 units2000 kW each	diesel fuel oil—	See operating-scope table—	p. 5 ↗Machine-extracted from an official document equipment table; column grouping requires second review.
`S1`	emergency engine generator setCaterpillar · C18	1 units750 kW each	diesel fuel oil—	See operating-scope table—	p. 5 ↗Machine-extracted from an official document equipment table; column grouping requires second review.

Operating scope

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

Reference	Limit	Basis	Source

Permitted emission limits

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

Inspect 31 transcribed limit rows

Reference	Pollutant	Limit	Basis / scope	Source
`each Caterpillar 3516C-HD emergency diesel engine gen-set (Ref. Nos. 1 through 3 and 5 through 59)`	NOx as NO2—	48.07 lb/hrhourly	——	p. 11 ↗Machine-extracted from a page line in an older official PDF; literal context: emergency diesel engine gen-set (Ref. Nos. 1 through 3 and 5 through 59) shall not exceed the limits specified below: Nitrogen Oxides (as NO ) 48.07 lb/hr 2
`each Caterpillar 3516C-HD emergency diesel engine gen-set (Ref. Nos. 1 through 3 and 5 through 59)`	NOx as NO2—	6.01 lb/hrhourly	——	p. 11 ↗Machine-extracted from a page line in an older official PDF; literal context: Nitrogen Oxides (as NO ) 48.07 lb/hr 2 Carbon Monoxide (CO) 6.01 lb/hr Volatile Organic Compounds (VOC) 1.20 lb/hr
`each Caterpillar 3516C-HD emergency diesel engine gen-set (Ref. Nos. 1 through 3 and 5 through 59)`	VOC—	1.20 lb/hrhourly	——	p. 11 ↗Machine-extracted from a page line in an older official PDF; literal context: 2 Carbon Monoxide (CO) 6.01 lb/hr Volatile Organic Compounds (VOC) 1.20 lb/hr Particulate Matter (PM ) 0.41 lb/hr
`each Caterpillar 3516C-HD emergency diesel engine gen-set (Ref. Nos. 1 through 3 and 5 through 59)`	PM—	0.41 lb/hrhourly	——	p. 11 ↗Machine-extracted from a page line in an older official PDF; literal context: Carbon Monoxide (CO) 6.01 lb/hr Volatile Organic Compounds (VOC) 1.20 lb/hr Particulate Matter (PM ) 0.41 lb/hr 10
`Caterpillar 3512C emergency diesel engine gen-set (Ref. No. 4)`	NOx as NO2—	29.18 lb/hrhourly	——	p. 12 ↗Machine-extracted from a page line in an older official PDF; literal context: 15. Emission Limits (Hourly) – Emissions from the operation of the Caterpillar 3512C emergency diesel engine gen-set (Ref. No. 4) shall not exceed the limits specified below: Nitrogen Oxides (as NO ) 29.18 lb/hr 2
`Caterpillar 3512C emergency diesel engine gen-set (Ref. No. 4)`	NOx as NO2—	3.98 lb/hrhourly	——	p. 12 ↗Machine-extracted from a page line in an older official PDF; literal context: Nitrogen Oxides (as NO ) 29.18 lb/hr 2 Carbon Monoxide (CO) 3.98 lb/hr Volatile Organic Compounds (VOC) 0.78 lb/hr
`Caterpillar 3512C emergency diesel engine gen-set (Ref. No. 4)`	VOC—	0.78 lb/hrhourly	——	p. 12 ↗Machine-extracted from a page line in an older official PDF; literal context: 2 Carbon Monoxide (CO) 3.98 lb/hr Volatile Organic Compounds (VOC) 0.78 lb/hr Particulate Matter (PM ) 0.37 lb/hr
`Caterpillar 3512C emergency diesel engine gen-set (Ref. No. 4)`	PM—	0.37 lb/hrhourly	——	p. 12 ↗Machine-extracted from a page line in an older official PDF; literal context: Carbon Monoxide (CO) 3.98 lb/hr Volatile Organic Compounds (VOC) 0.78 lb/hr Particulate Matter (PM ) 0.37 lb/hr 10
`each Caterpillar 3516C emergency diesel engine gen-set (Ref. Nos. M1 through M24 and T1 through T8)`	NOx as NO2—	38.85 lb/hrhourly	——	p. 12 ↗Machine-extracted from a page line in an older official PDF; literal context: emergency diesel engine gen-set (Ref. Nos. M1 through M24 and T1 through T8) shall not exceed the limits specified below: Nitrogen Oxides (as NO ) 38.85 lb/hr 2
`each Caterpillar 3516C emergency diesel engine gen-set (Ref. Nos. M1 through M24 and T1 through T8)`	NOx as NO2—	3.96 lb/hrhourly	——	p. 12 ↗Machine-extracted from a page line in an older official PDF; literal context: Nitrogen Oxides (as NO ) 38.85 lb/hr 2 Carbon Monoxide (CO) 3.96 lb/hr Volatile Organic Compounds (VOC) 1.13 lb/hr
`each Caterpillar 3516C emergency diesel engine gen-set (Ref. Nos. M1 through M24 and T1 through T8)`	VOC—	1.13 lb/hrhourly	——	p. 12 ↗Machine-extracted from a page line in an older official PDF; literal context: 2 Carbon Monoxide (CO) 3.96 lb/hr Volatile Organic Compounds (VOC) 1.13 lb/hr Particulate Matter (PM ) 0.57 lb/hr
`each Caterpillar 3516C emergency diesel engine gen-set (Ref. Nos. M1 through M24 and T1 through T8)`	PM—	0.57 lb/hrhourly	——	p. 12 ↗Machine-extracted from a page line in an older official PDF; literal context: Carbon Monoxide (CO) 3.96 lb/hr Volatile Organic Compounds (VOC) 1.13 lb/hr Particulate Matter (PM ) 0.57 lb/hr 10
`Caterpillar C18 emergency diesel engine gen-set (Ref. No. S1)`	NOx as NO2—	14.34 lb/hrhourly	——	p. 13 ↗Machine-extracted from a page line in an older official PDF; literal context: 17. Emission Limits (Hourly) – Emissions from the operation of the Caterpillar C18 emergency diesel engine gen-set (Ref. No. S1) shall not exceed the limits specified below: Nitrogen Oxides (as NO ) 14.34 lb/hr 2
`Caterpillar C18 emergency diesel engine gen-set (Ref. No. S1)`	NOx as NO2—	4.73 lb/hrhourly	——	p. 13 ↗Machine-extracted from a page line in an older official PDF; literal context: Nitrogen Oxides (as NO ) 14.34 lb/hr 2 Carbon Monoxide (CO) 4.73 lb/hr Volatile Organic Compounds (VOC) 1.91 lb/hr
`Caterpillar C18 emergency diesel engine gen-set (Ref. No. S1)`	VOC—	1.91 lb/hrhourly	——	p. 13 ↗Machine-extracted from a page line in an older official PDF; literal context: 2 Carbon Monoxide (CO) 4.73 lb/hr Volatile Organic Compounds (VOC) 1.91 lb/hr Particulate Matter (PM ) 0.32 lb/hr
`Caterpillar C18 emergency diesel engine gen-set (Ref. No. S1)`	PM—	0.32 lb/hrhourly	——	p. 13 ↗Machine-extracted from a page line in an older official PDF; literal context: Carbon Monoxide (CO) 4.73 lb/hr Volatile Organic Compounds (VOC) 1.91 lb/hr Particulate Matter (PM ) 0.32 lb/hr 10
`Caterpillar C18 emergency diesel engine gen-set (Ref. No. 60)`	NOx as NO2—	9.58 lb/hrhourly	——	p. 13 ↗Machine-extracted from a page line in an older official PDF; literal context: 18. Emission Limits (Hourly) – Emissions from the operation of the Caterpillar C18 emergency diesel engine gen-set (Ref. No. 60) shall not exceed the limits specified below: Nitrogen Oxides (as NO ) 9.58 lb/hr 2
`Caterpillar C18 emergency diesel engine gen-set (Ref. No. 60)`	NOx as NO2—	1.59 lb/hrhourly	——	p. 13 ↗Machine-extracted from a page line in an older official PDF; literal context: Nitrogen Oxides (as NO ) 9.58 lb/hr 2 Carbon Monoxide (CO) 1.59 lb/hr Volatile Organic Compounds (VOC) 0.32 lb/hr
`Caterpillar C18 emergency diesel engine gen-set (Ref. No. 60)`	VOC—	0.32 lb/hrhourly	——	p. 13 ↗Machine-extracted from a page line in an older official PDF; literal context: 2 Carbon Monoxide (CO) 1.59 lb/hr Volatile Organic Compounds (VOC) 0.32 lb/hr Particulate Matter (PM ) 0.11 lb/hr
`Caterpillar C18 emergency diesel engine gen-set (Ref. No. 60)`	PM—	0.11 lb/hrhourly	——	p. 13 ↗Machine-extracted from a page line in an older official PDF; literal context: Carbon Monoxide (CO) 1.59 lb/hr Volatile Organic Compounds (VOC) 0.32 lb/hr Particulate Matter (PM ) 0.11 lb/hr 10
	NOx as NO2—	43.81 tpyannual	——	p. 14 ↗Machine-extracted from a page line in an older official PDF; literal context: diesel engine gen-sets (Ref. Nos. 1 through 3, 4, 8 through 20, M1 through M24, and T1) for all purposes shall not exceed the limits specified below: Nitrogen Oxides (as NO ) 43.81 tons per year (tpy) 2
	NOx as NO2—	23.47 tpyannual	——	p. 14 ↗Machine-extracted from a page line in an older official PDF; literal context: Nitrogen Oxides (as NO ) 43.81 tons per year (tpy) 2 Carbon Monoxide (CO) 23.47 tpy Volatile Organic Compounds (VOC) 5.36 tpy
	VOC—	5.36 tpyannual	——	p. 14 ↗Machine-extracted from a page line in an older official PDF; literal context: 2 Carbon Monoxide (CO) 23.47 tpy Volatile Organic Compounds (VOC) 5.36 tpy Particulate Matter (PM ) 2.16 tpy
	PM—	2.16 tpyannual	——	p. 14 ↗Machine-extracted from a page line in an older official PDF; literal context: Carbon Monoxide (CO) 23.47 tpy Volatile Organic Compounds (VOC) 5.36 tpy Particulate Matter (PM ) 2.16 tpy 10
	NOx as NO2—	52.48 tpyannual	——	p. 14 ↗Machine-extracted from a page line in an older official PDF; literal context: diesel engine gen-sets (Ref. Nos. 5 through 7, 21 through 60, S1, and T2 through T8) for all purposes shall not exceed the limits specified below: Nitrogen Oxides (as NO ) 52.48 tpy 2
	NOx as NO2—	32.60 tpyannual	——	p. 14 ↗Machine-extracted from a page line in an older official PDF; literal context: Nitrogen Oxides (as NO ) 52.48 tpy 2 Carbon Monoxide (CO) 32.60 tpy Volatile Organic Compounds (VOC) 7.96 tpy
	VOC—	7.96 tpyannual	——	p. 14 ↗Machine-extracted from a page line in an older official PDF; literal context: 2 Carbon Monoxide (CO) 32.60 tpy Volatile Organic Compounds (VOC) 7.96 tpy Particulate Matter (PM ) 2.39 tpy
	PM—	2.39 tpyannual	——	p. 14 ↗Machine-extracted from a page line in an older official PDF; literal context: Carbon Monoxide (CO) 32.60 tpy Volatile Organic Compounds (VOC) 7.96 tpy Particulate Matter (PM ) 2.39 tpy 10
	visible emissions—	5 percent opacityvisible	——	p. 14 ↗Machine-extracted from a page line in an older official PDF; literal context: 21. Visible Emission Limit – Visible emissions from each emergency diesel engine gen-set exhaust (Ref. Nos. 1 through 60, M1 through M24, S1, and T1 through T8) shall not exceed 5% opacity except during one 6-minute period in any one hour in which visible emissions shall not exceed 10% opacity as determined by EPA Method 9 (reference 40 CFR 60,
	visible emissions—	10 percent opacityvisible	——	p. 14 ↗Machine-extracted from a page line in an older official PDF; literal context: exhaust (Ref. Nos. 1 through 60, M1 through M24, S1, and T1 through T8) shall not exceed 5% opacity except during one 6-minute period in any one hour in which visible emissions shall not exceed 10% opacity as determined by EPA Method 9 (reference 40 CFR 60,
	visible emissions—	20 percent opacityvisible	——	p. 15 ↗Machine-extracted from a page line in an older official PDF; literal context: (Ref. Nos. 1 through 60, M1 through M24, and T1 through T8) shall not exceed 10% opacity except during on 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 50, Appendix A).

DOCUMENT HISTORY

What this document says it changes

amended or superseding permit document

Explicitly supersedes the document dated 2020-10-27.

p. 1 ↗, p. 3 ↗

QA NOTES

Ambiguity stays visible

Machine-extracted candidate. Verify every reused value against the cited official PDF page.
Verify table column grouping and any alternative models.
Older-PDF text fallback; verify row and unit alignment.

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