As of June 1st, 2018 Oregon DEQ has revised UST regulations promulgated to rule and are now in effect. The regulations underwent public comment in February, and Environmental Quality Commission adopted the proposed rules on May 11th, 2018.
Some revises changes to the regulations include the following:
30 day notification for changing regulated substances of a UST containing greater than 10% ethanol or 20% biodiesel
Demonstrations of UST system compatibility
Under Dispenser Containment required for each new, moved, or modified dispenser
All new or replacement USTs and connected piping must be secondarily contained and monitored using interstitial monitoring
Flow Restrictors/Ball float valves are now longer allowed to be installed and cannot be repaired
30 day release detection for spill prevention and containment sumps used for interstitial monitoring
30 day walkthrough inspections for spill prevention and release detection begins 7/1/2020
Annual inspections for containment sumps and hand held release detection
Maintain these inspections for at least one year
24hr reporting on corrosion protection test failures
Annual release detection operability testing
Overfill prevention inspected at least once every 3 years
On or after July 1st, 2020, owners and permittees of FCTs and AHSs must comply with 340-150-0137(2) and the training requirements for UST operators in this rule
Vapor monitoring and groundwater monitoring are now longer allowed as an approved release detection method
24 hour notification to the DEQ for unusual operating conditions such as:
erratic behavior of dispensing equipment
sudden loss of product
widely fluctuating water levels
liquid in interstitial space (when brine is not used)
Emergency generator tanks are subject to release detection requirements on 7/1/2020.
All newly installed emergency generator tanks are subject to release detection requirements immediately
For more information on the accepted changes, please visit the Oregon UST website here
To view the redline of all revised changes, please visit here.