ERS-9 Alternative Fuels (R. 2/07)

STORAGE TANK 

ALTERNATIVE FUEL 

INSTALLATION/CONVERSION 

APPLICATION

INSTRUCTIONS: Part I if this form is to be submitted to the Department of Commerce along with the plan submittal for new installations, or 

submitted independently for conversions of existing systems from conventional motor fuels to blends greater than 10% ethanol or for biodiesel 

blends greater than B5. For existing tank systems, Part I of this form shall be completed and submitted for approval prior to the conversion to the 

address in the upper right corner of this page. Part II shall be given by the contractor to the owner/operator for completion prior to system 

operation and retained on-site for Commerce Inspector review. Note: Tanks with interior lining will not be approved for alternative fuel storage. 

Personal information you provide may be used for secondary purposes [Privacy Law, s. 15.04(1)(m)]. 

Part I

1. OWNER INFORMATION 2. PROJECT INFORMATION 3. CONTRACTOR INFORMATION

 Customer ID# Site ID# Facility ID# Customer ID# 

 Name Facility Name Contractor Name 

 Company Name Site Address Number and Street 

 Number and Street City Village Town of: City, State, Zip Code 

 City, State, Zip Code County Contact Person Customer ID# 

 Telephone Number Fax Number Fire Dept. Providing Fire Coverage FDID# Telephone Number Fax Number 

 ( ) ( ) ( ) ( )

4. Tank Information 

Tank Orientation: Underground Aboveground New Tank Existing Tank→Date Installed: ________________Reg. Object #: _____________

Tank leak detection method: Automatic tank gauging Inventory control and tightness testing Interstitial monitoring 

 Statistical Inventory Reconciliation (SIR) Visual (Aboveground storage tank only) 

Component: Existing 

Manufacturer 

Existing 

Model/Brand 

New Equip. 

Manufacturer 

New Equip. 

Model/Brand 

UL Listed or Verified by Manufacturer for Fuel 

to be stored 

Note: Write “HC” and the treatment material if a hard-coat treatment is used to achieve compatibility. 

Tank construction material Listed Verified Unknown 

Spill bucket Listed Verified Unknown 

Overfill / Auto shut-off / 

Ball float

 Listed Verified Unknown 

Drop tube Listed Verified Unknown 

STP/Suction pump Listed Verified Unknown 

Leak detection probes Listed Verified Unknown 

Sump monitoring sensors Material Approval 

5. Pipe Information: New Existing Mixed (New/Existing) Existing Pipe Install Date: ________________

Configuration: Single wall Double wall Type: Steel Fiberglass Flexible Other ________ Sumps: Submersible Pipe Connections

Pipe fitting/valve material Listed (N/E) Verified (N/E) Unk (N/E)

Gaskets/seals Listed (N/E) Verified (N/E) Unk (N/E)

Pipe sealant/adhesive Listed (N/E) Verified (N/E) Unk (N/E)

Flex connector Listed (N/E) Verified (N/E) Unk (N/E)

Line leak detector Listed (N/E) Verified (N/E) Unk (N/E)

Flow restrictor Listed (N/E) Verified (N/E) Unk (N/E)

6. Dispenser Information: Dedicated E85 Hose: Yes No Blending dispenser: Yes No Containment sump under dispenser: Yes No

Dispenser piping Listed Verified Unknown 

Dispenser Sump Listed Verified Unknown 

Dispenser sump sensor Material Approval 

Gaskets/seals Listed Verified Unknown 

Blending valve Listed Verified Unknown 

Check valve Listed Verified Unknown 

Meter Listed Verified Unknown 

Emergency valve Listed Verified Unknown 

Fuel filters Listed Verified Unknown 

Break-away device Listed Verified Unknown 

Nozzle(s)/Swivel(s) Listed Verified Unknown 

Hose(s) Listed Verified Unknown 

Comments: 

Environmental & Regulatory Services Division 

Bureau of Petroleum Products and Tanks 

P.O. Box 7837 

Madison, WI 53707-7837 

(608) 267-9795 (608) 266-8981

FEES: (Fee table on reverse side) Plan Review Inspection Total 

Alternative Fuel Conversion Fee $ ___________ (7636) $ ___________(8253) $ _____________ 

I certify by signature that I have personally examined and/or am familiar with the information submitted to verify 

system alternative fuel compatibility, and the information is true, accurate, and complete. 

________________________________________ _____ Date: ____________

Signature of petroleum equipment contractor or professional engineer 

For Office Use Only 

Transaction # 

R Plan Review 

R Copy to Inspector 

R Copy to Permit 
ERS-9 Alternative Fuels (R. 1/07)

Page 2 ALTERNATIVE FUEL INSTALLATION/CONVERSION APPLICATION 

Part II

Responsibilities of Tank Owner/Operator Before Blends of Greater than 10% Ethanol or 5% Biodiesel is 

Transferred to the Tank 

R Determine equipment compatibility - Part I of this form. 

R Inform the facility’s UST insurance carrier of plans to convert to a gasoline-ethanol blend exceeding 10% 

ethanol or biodiesel exceeding 5%. The UST insurance carrier may have additional requirements other 

than what Commerce or Comm 10 requires. 

R Obtain an amended certificate of insurance indicating UST coverage for the ethanol or biodiesel blend 

stored and submit to Commerce. 

R Check for water in the tank. No level of water is acceptable for gasoline-ethanol blended fuels. 

R All visible fittings and connections at the top of the tank are tight (no vapors escape and no water enters). 

R Sump and spill containment covers secured to prevent water from entering. 

R Water infiltration problems fixed if necessary. 

R The tank has been cleaned of all water and sediment. Company providing service: 

 Company providing service: 

 City: State: ___________ Telephone #: 

R How / where is product being disposed of: _

R Fill labeling - Identify fill port and paint access cover according to API RP 1637. 

R Dispenser labeling – label dispenser in compliance with Comm 48. 

First Delivery 

R Tank filled to 80 percent capacity (recommended by the Renewable Fuels Association or RFA) and kept as 

full as possible for 7 to 10 days. 

R Conduct a precision test of the tank system (0.1 gph leak rate) with ATG system within seven days after 

tank is filled to make sure system is tight and leak detection equipment is operating properly. Report any 

“Fail” results. 

R Test for water (use alcohol compatible paste if you stick your tanks) at the beginning of each shift for the 

first 48 hours after delivery (RFA). If there is water in the tank, remove it, find out how it got there and fix it 

so it doesn’t occur again.

R Have dispenser calibrated prior to any retail sales. 

R Prior to dispensing, notify Commerce Retail Inspector that ethanol or biodiesel has been delivered and the 

dispensing system is going operational. 

R Submit Tank Registration Form ERS-7437 or ERS-8731 along with a completed copy of ERS-9 Alternative 

Fuels Application Form 

 

Tank Owner Signature Company 

(Note: By signing, signer is acknowledging that all the above preparatory items have been conducted.) 

 

Print Tank Owner Name Date: 

Failure to submit this form with all items completed will result in the tank and dispenser being subject to redtagging and shutdown. 

A tank with any “unknowns” will not be approved for service for gasoline-ethanol blends exceeding 10% ethanol 

or biodiesel blends exceeding 5% without a statement from the contractor or professional engineer stating that 

in their professional judgment the system is acceptable for service in the alternative fuel. Without such 

statement the tank and dispenser will be subject to red-tagging and shutdown. 

Fee Submittal 

Plan Review 

Fee 

Installation 

Inspection Fee 

Plan 

Revision Fee 

Re-inspection 

Fee 

When submitted independent of a broader 

plan submittal application $35 $100 Except 

conversion to SIR $100 $100