Requirements for Turbine, Intermediate and Dispenser Sumps

(1) Dispenser Sumps. (a) Regulated substance dispensers installed, repaired or replaced on or after October 1, 2021 shall be equipped with a dispenser sump that shall be continuously monitored for liquids utilizing a dispenser sump sensor(s). 310 CMR 80.20(1)(a) shall not apply in situations where only the product dispenser is repaired or replaced due to damage or malfunction, but shall apply to any replacement of both the product dispenser and dispenser components attaching the dispenser to the UST piping system at the dispenser. (b) Regulated substance dispensers installed, repaired or replaced on or after March 21, 2008 and before October 1, 2021 shall be equipped with a dispenser sump that shall be continuously monitored for liquids utilizing a dispenser sump sensor(s). 310 CMR 80.20(1)(b) shall not apply in situations where only the product dispenser is repaired or replaced due to damage or malfunction, but shall apply to any replacement of both the product dispenser and the piping used to connect the product dispenser to the tank. (2) Tanks utilizing a submersible pump, when the pump was installed on or after March 21, 2008, shall be equipped with a turbine sump. All turbine sumps, including intermediate sumps, shall be continuously monitored for liquids utilizing a sump sensor(s). (3) All turbine sumps, intermediate sumps and dispenser sumps installed on or after March 21, 2008, except sumps that only contain a single-walled siphon line with no connections within the sump or only contain a European suction system or sumps that do not contain any regulated substance piping connections, shall be continuously monitored for liquids utilizing a sump sensor(s). (4) Tanks using a submersible pump that do not have a turbine sump, shall be upgraded with a turbine sump by January 1, 2019 or when the tank top is upgraded, whichever is earlier, or that tank shall be removed or permanently closed in-place in accordance with 310 CMR 80.43(2) or (3). (5) Turbine, intermediate and dispenser sumps, except sumps listed at 310 CMR 80.27(8), shall pass an integrity test at installation to ensure the sump is liquid tight by using a vacuum or hydrostatic test in accordance with PEI RPI 1200-19. The owner or Operator shall keep records of this test in accordance with 310 CMR 80.36. (6) Turbine sump manhole covers installed on and after the January 2, 2015 shall be designed and installed with a final grade that channels storm water away from the turbine sump cover and turbine sump manhole covers installed on and after October 1, 2021 shall also be installed so that the paved surface is crowned as to protect the sump and equipment within from damage due to traffic. (7) Turbine, intermediate and dispenser sumps shall be constructed so that they are accessible for repairs and inspections.