Wisconsin Administrative Code
Department of Agriculture, Trade and Consumer Protection
ATCP 90-139 - Trade and Consumer Protection
Chapter ATCP 93 - Flammable, Combustible, And Hazardous Liquids
Subchapter IV - General AST Storage
Section ATCP 93.400 - General requirements
Current through November 25, 2024
(1) ABOVEGROUND TANK DESIGN.
Note: See s. ATCP 93.130(5) for listing and labeling requirements for aboveground tanks.
(2) CORROSION PROTECTION.
Note: Methods of isolation acceptable to the department include dielectric coating, placement on clean concrete, placement on an elevated ring wall, or mounting on listed saddles.
(3) SECONDARY CONTAINMENT FOR PIPING.
Note: This subsection recognizes dispenser pans, spray-on liners, brushed-on liners, formed-in-place containment products, and other effective secondary containment practices that are currently in use.
(4) LEAK DETECTION FOR PIPING.
(5) INSTALLATION.
Note: Form TR-WM-120 - Checklist for Aboveground Storage Tank Installation is available from the Bureau of Weights and Measures, PO Box 8911, Madison, WI 53708-8911, or at telephone (608) 224-4942, or from the Bureau's Web site at https://datcp.wi.gov/Pages/Programs_Services/PetroleumHazStorageTanksForms.aspx.
(6) MOVING SHOP-BUILT TANKS. Aboveground shop-built tanks that are moved from one location to another shall meet all of the following requirements, except for tanks covered in s. ATCP 93.610:
Note: Form TR-WM-118 - Aboveground Flammable/Combustible/Hazardous Liquid Storage Tank Registration; form TR-WM-140 - Tank System Service and Closure Assessment Report; and form TR-WM-153 - Change of Ownership, Flammable/Combustible/Hazardous Liquid Storage Tank Registration are available from the Bureau of Weights and Measures, PO Box 8911, Madison, WI 53708-8911, or at telephone (608) 224-4942. Forms TR-WM-118 and TR-WM-140 are also available from the Bureau's Web site at https://datcp.wi.gov/Pages/Programs_Services/PetroleumHazStorageTanksForms.aspx.
(7) ABOVEGROUND TANK MARKING.
Table 93.400
Tank Label
Tank Capacity in Gallons |
Distance From Which the Label Shall Be Visible |
Minimum Size of Label |
Up to 5,000 |
75 feet |
5" x 5" |
5,001 to 50,000 |
100 feet |
10" x 10" |
50,001 to 250,000 |
200 feet |
12" x 12" |
Greater than 250,000 |
300 feet |
15" x 15" |
(8) MAINTENANCE AND REPAIRS.
Note: Form TR-WM-134-STI SP031 Tank Repair/Modification Summary, is available from the Bureau of Weights and Measures, P. O. Box 8911, Madison, WI 53708-8911, or at telephone (608) 224-4942, or from the Bureau's Web site at https://datcp.wi.gov/Pages/Programs_Services/PetroleumHazStorageTanksForms.aspx.
Note: Form TR-WM-136-STI SP031 Tank System Repair Report, is available from the Bureau of Weights and Measures, P. O. Box 8911, Madison, WI 53708-8911, or at telephone (608) 224-4942, or from the Bureau's Web site at https://datcp.wi.gov/Pages/Programs_Services/PetroleumHazStorageTanksForms.aspx.
Note: See ss. ATCP 93.230(8) to (10) for additional facility maintenance requirements.
(9) FACILITY LIGHTING. Adequate lighting shall be provided for loading, unloading, and dispensing operations.
(10) SYSTEM ACCESS.
(11) RECORD KEEPING.
Note: All leak detection records should be retained. The documentation could be helpful to exclude the site as a possible source of contamination at a later date.
(12) TANKS AT REMEDIATION SITES.