Oregon Administrative Rules
Chapter 340 - DEPARTMENT OF ENVIRONMENTAL QUALITY
Division 150 - UNDERGROUND STORAGE TANK RULES
Section 340-150-0450 - Automatic Tank Gauging Release Detection Method
Current through Register Vol. 63, No. 3, March 1, 2024
(1) An owner and permittee using equipment for automatic tank gauging (ATG) that tests for the loss of a regulated substance and conducts inventory control as a release detection method must use equipment that meets the requirements of this rule. The ATG system must:
(2) For USTs, an owner and permittee must monitor and test for releases at least once every 30 days and record the results for each month.
(3) For underground piping, an owner and permittee must monitor and test for releases if the ATG system is designed to detect a release from any portion of the underground piping that routinely contains a regulated substance and record the results for each month as follows:
(4) An owner and permittee must:
(5) An owner and permittee must retain at a minimum the most current 12 consecutive months of release detection records.
(6) ATG systems installed before December 22, 1990, are exempt from the leak rate quantities, probability limits and third party evaluation requirements of this rule, except:
Statutory/Other Authority: 466.994, 466.995 & ORS 466.706 - 466.835
Statutes/Other Implemented: ORS 466.746 & 466.765