EPA Form 5900-80

 OMB No. 2060-0336, Approval Expires 06/30/2015

Federal Operating Permit Program (40 CFR Part 71)

EMISSION UNIT DESCRIPTION FOR FUEL COMBUSTION SOURCES (EUD-1)

A. General Information

Emissions unit ID _EGEN1____ Description__Emergency Generator ≤ 112 kW (150.2 HP)_

SIC Code (4-digit) __________ SCC Code________

B. Emissions Unit Description

Primary use _Emergency Power for Plant Operations_ Temporary Source ___Yes _X No

Manufacturer ___________________________ Model No. ______________________

Serial Number __________________________ Installation Date____/____/_______

Boiler Type: ___ Industrial boiler ___ Process burner ___ Electric utility boiler

 Other (describe) _____________________________________________

Boiler horsepower rating_________________ Boiler steam flow (lb/hr)_______________

Type of Fuel-Burning Equipment (coal burning only):

___ Hand fired ___Spreader stoker ___Underfeed stoker ___Overfeed stoker

___ Traveling grate ___Shaking grate ___Pulverized, wet bed ___ Pulverized, dry bed

Actual Heat Input __________MM BTU/hr Max. Design Heat Input __________MM BTU/hr
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C. Fuel Data

Primary fuel type(s)__Diesel Fuel_____ Standby fuel type(s)_____________________

Describe each fuel you expected to use during the term of the permit.

Fuel Type

Max. Sulfur 

Content (%)

Max. Ash 

Content (%)

BTU Value

(cf, gal., or lb.)

Diesel Fuel 0.05 0.0137 MMBtu/gal

 D. Fuel Usage Rates

Fuel Type Annual Actual 

Usage

Maximum Usage

Hourly Annual

Diesel Fuel 28 gallons 13,960 gallons

E. Associated Air Pollution Control Equipment

Emissions unit ID_____None___ Device type_______________________________________ 

Air pollutant(s) Controlled___________________ Manufacturer_________________________

Model No.______________________ Serial No._______________________ 

Installation date_____/_____/_________ Control efficiency (%) ____________ 

Efficiency estimation method______________________________________________
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F. Ambient Impact Assessment

This information must be completed by temporary sources or when ambient impact assessment is an 

applicable requirement for this emissions unit (this is not common).

Stack height (ft) __NA_____._____ Inside stack diameter (ft) _________._____ 

Stack temp(oF) __________._____ Design stack flow rate (ACFM) __________.____

Actual stack flow rate (ACFM) ____________.____ Velocity (ft/sec) ____________._______
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INSTRUCTIONS FOR EUD-1

EMISSIONS UNIT DESCRIPTION FOR FUEL COMBUSTION SOURCES

Use this form is to describe emissions units that combust solid or liquid fuels, such as boilers, steam generators, 

electric generators and the like.

Section A – The emissions unit ID should be consistent with the one used in section I of form GIS. Enter the 

four-digit SIC code for the unit, which may be different from that used to describe the facility as a whole. Enter 

the source classification code (SCC), if known or readily available (not mandatory).

Section B - There may be other information that the permitting authority will need to know that is not specifically 

requested on the forms and that should be included on attachments. Such information would be critical to 

identifying the emissions unit and its applicable requirements. 

Section C - Describe the primary fuel type is that used during the majority of its operating hours. Your fuel 

supplier should be able to provide the information requested here. If the supplier provides a range of values, use 

the highest or worst-case value. Identify and describe any associated air pollution control device. If data 

provided by the vendor, attach documentation (if available); if other basis, indicate how determined (e.g., AP-42).

Section D - Actual fuel usage will be used to calculate actual emissions for purposes of calculating fees. 

Maximum usage will be used to calculate PTE. If your fuel is a combination of several fuel types, indicate the 

average percentage of each fuel on an hourly and yearly basis in the appropriate column or on an attachment. 

The basis of this fuels usage data must be explained on an attachment. For example, actual fuel consumption 

could be established from purchase records or records of fuel consumption over the preceding calendar year or 

for sources that have not yet operated for a full year, from estimations of actual usage.

Section E - Identify and describe any associated air pollution control device for the unit described above. For 

control efficiency, you may need to contact the vendor, if so, attach copies of correspondence from the vendor 

documenting these values, if available, or indicate how these values were otherwise determined.

Section F - Complete this section only if ambient impact assessment is an applicable requirement or the facility is 

a temporary source. This is not common.