Beginning on November 15, 2002, owners and operators decommissioning a holding tank shall:

1. (1) For Above-ground Holding Tanks:

   1. (a) pump and haul away the entire contents of the tank; and
   2. (b) clean the holding tank and related areas as necessary.

2. (2) For In-ground Holding Tanks:

   1. (a) pump and haul away the entire contents of the tank;
   2. (b) clean the holding tank and related areas as necessary;

   3. (c) decommission the in-ground holding tank with one of the following options:

      1. 1. remove the holding tank from the ground; or
      2. 2. fill the holding tank with clean sand, soil, or other inert material; or
      3. 3. change the function of the holding tank permanently;

   4. (d) notify the Department in writing within 30 days of decommissioning with the following information:

      1. 1. the name and address of the facility, the name of the owner or operator;
      2. 2. the date of holding tank decommissioning;
      3. 3. the most recent shipment record as specified in 314 CMR 18.09(1)(b); and
      4. 4. a brief description of how the holding tank was decommissioned.