Requirements for Spill Buckets and Overfill Prevention Equipment

(1) Owners and Operators shall at all times operate and maintain spill buckets and overfill prevention equipment in accordance with 310 CMR 80.21 and 80.28(2) and (3). (2) Requirements for the proper operation and maintenance of spill buckets and covers are as follows: (a) The Owner or Operator shall keep spill buckets clean and free of solid and liquid material. (b) The Owner or Operator shall maintain the spill bucket and cover so that they are free of cracks and holes at all times. (c) The Owner or Operator shall remove and manage any solid or liquid material that collects within a spill bucket in accordance with local, state and federal laws and regulations. (d) The Owner or Operator shall maintain spill buckets in accordance with the manufacturer's specifications. (e) The Owner or Operator shall inspect spill buckets no less frequently than once every 30 days in accordance with 310 CMR 80.35. (f) The Owner or Operator shall test spill buckets in accordance with 310 CMR 80.28(2)(g) on or before January 2, 2017, on or before October 13, 2022 and once every three years thereafter. 1. Double-walled spill buckets, if the integrity of both walls is monitored every 30 days by checking vacuum, pressure or liquid interstitial integrity indicators are exempt from the testing requirement in 310 CMR 80.28(2)(f). 2. A sensor in a dry interstice does not meet the requirements of monitoring the integrity of both walls. 3. In order to claim the exemption from testing, the Owner or Operator shall keep documentation showing that the spill bucket is double-walled and that the integrity of both walls is monitored at least every 30 days, in accordance with 310 CMR 80.36. (g) The Owner or Operator shall conduct an integrity test on spill buckets in accordance with the schedule at 310 CMR 80.28(2)(f) and after repairs, in accordance with the following requirements: 1. Spill buckets shall pass an integrity test to ensure the spill bucket is liquid tight by using vacuum or hydrostatic test in accordance with PEI RP1200-19. 2. If the spill bucket fails the test, the Owner or Operator shall repair or replace the spill bucket in accordance with 310 CMR 80.33. Prior to commencing operation, the repaired spill bucket shall be retested in accordance with 310 CMR 80.27(2)(g)1. 3. Repairs which do not affect the integrity of a spill bucket to retain liquid or disturb the seal between the spill bucket and the riser do not require an integrity test prior to commencing operation. (h) The Owner or Operator shall repair or replace spill buckets as necessary in accordance with 310 CMR 80.33. Prior to commencing operation, the repaired spill bucket shall be retested in accordance with 310 CMR 80.27(2)(g)1. (i) If a spill bucket is equipped with sensors, the sensors shall be placed in accordance with the manufacturer’s specifications, or, if no such specifications exist, the sensors shall be placed at the lowest possible location in the spill bucket. (j) The Owner or Operator shall keep the following spill bucket records in accordance with 310 CMR 80.36. 1. Records of spill bucket inspections to demonstrate compliance with 310 CMR 80.28(2)(e). 2. Records of spill bucket integrity tests to demonstrate compliance with 310 CMR 80.28(2)(f) and (g). (3) Requirements for proper operation and maintenance of overfill prevention equipment are as follows: (a) The Owner or Operator shall inspect and test the overfill prevention equipment annually to ensure that it is operational and will activate at the correct level in accordance with 310 CMR 80.21(2)(b). 1. Inspection and testing shall be conducted in accordance with requirements in the manufacturer’s specifications, if the manufacturer has developed requirements for inspection and testing; or 2. Inspection and testing shall be conducted in accordance with a code of practice developed by a nationally recognized association or independent testing laboratory. (b) The Owner or Operator shall repair or replace components as necessary in accordance with 310 CMR 80.33. Prior to commencing operation, the overflow prevention equipment shall be tested to ensure that it will activate at the correct level in accordance with 310 CMR 80.21(2)(b). (c) The Owner or Operator shall keep records of the following in accordance with 310 CMR 80.36: 1. Records of inspection and testing, in accordance with the manufacturer's specifications including, but not limited to, a copy of the manufacturer’s specifications to demonstrate compliance with 310 CMR 80.28(3)(a)1.; or 2. Records of inspection and testing including, but not limited to the code of practice developed by a nationally recognized association or independent testing laboratory to demonstrate compliance with 310 CMR 80.28(3)(a)2. (4) The Owner or Operator shall ensure that the volume available in the tank is greater than the volume of regulated substance to be transferred to the tank before the regulated substance transfer is made and that the transfer operation is monitored constantly to prevent overfilling and spilling.