WY · EPA 2020 NEI

Microsoft Cheyenne Data Center

644 Logistics Drive, Laramie, Wyoming

Interpretation boundary

These are inventory-reported or inventory-estimated 2020 values. They are not necessarily direct measurements and do not establish current emissions, permit limits, compliance, exposure, causation or harm.

EPA documentation ↗

50 SOURCE ROWS

Every pollutant,
with its source unit.

Pounds and tons remain separate. The table does not silently convert or combine pollutants, units or reporting concepts.

Pollutant	Code	Type	Emissions	Unit	Dataset
1,3-Butadiene	`106990`	HAP	0.2297654	LB	2020NEI
Acenaphthene	`83329`	HAP	0.0083256	LB	2020NEI
Acenaphthylene	`208968`	HAP	0.0296674	LB	2020NEI
Acetaldehyde	`75070`	HAP	9.0904408	LB	2020NEI
Acrolein	`107028`	HAP	0.5577724	LB	2020NEI
Anthracene	`120127`	HAP	0.0219276	LB	2020NEI
Benz[a]Anthracene	`56553`	HAP	0.026778	LB	2020NEI
Benzene	`71432`	HAP	10.9699922	LB	2020NEI
Benzo[a]Pyrene	`50328`	HAP	0.0011132	LB	2020NEI
Benzo[b]Fluoranthene	`205992`	HAP	0.0005808	LB	2020NEI
Benzo[g,h,i,]Perylene	`191242`	HAP	0.0028668	LB	2020NEI
Benzo[k]Fluoranthene	`207089`	HAP	0.0009092	LB	2020NEI
Cadmium	`7440439`	HAP	0.016703	LB	2020NEI
Chromium (VI)	`18540299`	HAP	0.00128223	LB	2020NEI
Chromium III	`16065831`	HAP	0.03077357	LB	2020NEI
Chrysene	`218019`	HAP	0.004114	LB	2020NEI
Dibenzo(a,h)Anthracene	`53703`	HAP	0.0034188	LB	2020NEI
Ethyl Benzene	`100414`	HAP	0.339224	LB	2020NEI
Fluoranthene	`206440`	HAP	0.0914996	LB	2020NEI
Fluorene	`86737`	HAP	0.342405	LB	2020NEI
Formaldehyde	`50000`	HAP	15.4833328	LB	2020NEI
Indeno[1,2,3-c,d]Pyrene	`193395`	HAP	0.0021986	LB	2020NEI
Manganese	`7439965`	HAP	0.1934418	LB	2020NEI
Mercury	`7439976`	HAP	0.0208324	LB	2020NEI
Naphthalene	`91203`	HAP	0.9983772	LB	2020NEI
Nickel	`7440020`	HAP	0.2967448	LB	2020NEI
Phenanthrene	`85018`	HAP	0.3447492	LB	2020NEI
Phenol	`108952`	HAP	0.0306326	LB	2020NEI
Propylene Oxide	`75569`	HAP	0.0349736	LB	2020NEI
Pyrene	`129000`	HAP	0.0560506	LB	2020NEI
Toluene	`108883`	HAP	5.0974268	LB	2020NEI
Xylenes (Mixed Isomers)	`1330207`	HAP	3.4740344	LB	2020NEI
Ammonia	`NH3`	CAP	0	TON	2020NEI
Carbon Dioxide	`CO2`	GHG	1,097.1732	TON	2020NEI
Carbon Monoxide	`CO`	CAP	5.6694729	TON	2020NEI
Elemental Carbon portion of PM2.5-PRI	`EC`	Other	0.32701612	TON	2020NEI
Methane	`CH4`	GHG	0.01085141	TON	2020NEI
Nitrate portion of PM2.5-PRI	`NO3`	Other	0.00070567	TON	2020NEI
Nitrogen Oxides	`NOX`	CAP	26.3233075	TON	2020NEI
Nitrous Oxide	`N2O`	GHG	0.143327	TON	2020NEI
Organic Carbon portion of PM2.5-PRI	`OC`	Other	0.07849608	TON	2020NEI
PM Condensible	`PM-CON`	CAP	0.04466698	TON	2020NEI
PM10 Filterable	`PM10-FIL`	CAP	0.38765914	TON	2020NEI
PM10 Primary (Filt + Cond)	`PM10-PRI`	CAP	0.43232609	TON	2020NEI
PM2.5 Filterable	`PM25-FIL`	CAP	0.38765914	TON	2020NEI
PM2.5 Primary (Filt + Cond)	`PM25-PRI`	CAP	0.43232609	TON	2020NEI
Remaining PMFINE portion of PM2.5-PRI	`PMFINE`	Other	0.02396633	TON	2020NEI
Sulfate Portion of PM2.5-PRI	`SO4`	Other	0.00213104	TON	2020NEI
Sulfur Dioxide	`SO2`	CAP	1.71371984	TON	2020NEI
Volatile Organic Compounds	`VOC`	CAP	2.1130784	TON	2020NEI

ECHO CROSSWALK

Identity plus
compliance context.

The official NEI site name explicitly identifies a data center.

MICROSOFT CHEYENNE DATA CENTER ↗

Displayed compliance status: No Violation Identified
Formal actions: 0
Informal actions: 0
Last inspection: 410 days before snapshot

ECHO status is agency-reported context and does not convert an action count into a finding by this project.

Reuse this recordUse the NEI value, unit, inventory year and identity tier together.

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Microsoft Cheyenne Data Center

Every pollutant,with its source unit.

Identity pluscompliance context.

Every pollutant,
with its source unit.

Identity plus
compliance context.