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During the Aurora and Fort Collins Outreach events, we received several questions, so we have published the answers below to make them available to everyone.
Contact Bill Hickman at 303-318-8505 or email@example.com for more information.
Under-dispenser containment must be liquid-tight on its sides, bottom, and at any penetrations. Under-dispenser containment must allow for visual inspection and access to the components in the containment system or be periodically monitored for leaks from the dispenser system.
Double-walled UDCs and containment sumps will allow an owner to avoid the three-year integrity test if they are monitored monthly, but are not a requirement. 2-3-5 of our new regulations discuss the testing methods.
However, OPS recommends the use of a qualified storage tank contractor given the complexity of secondary containment connections and penetrations, the inaccessible nature of some containment sumps and the challenges of appropriately handling the test water.
If a regulated substance enters secondary containment, you only have to report it to OPS if:
Small drips into containment are not reportable; that is what secondary containment is meant to do.