D.C. Mun. Regs. tit. 20, r. 20-6204

Current through Register Vol. 71, No. 52, December 27, 2024

Rule 20-6204 - REMOVAL OF FREE PRODUCT

6204.1

When an investigation indicates the presence of any free product, the responsible party shall remove measurable free product in accordance with this section until the Department determines that the free product has been removed to the maximum extent practicable.

6204.2

The Department may issue a directive with a schedule for removal of free product, or the responsible party may submit a schedule to the Department in writing, in accordance with § 5500.5, for the Department's approval.

6204.3

The responsible party shall conduct the removal of free product in a manner that minimizes the spread of contamination by using recovery techniques appropriate to the hydrogeological conditions at the site.

6204.4

The responsible party shall conduct the recovery and off-site disposal of free product in a manner that properly treats, discharges, recycles, or disposes of recovery byproducts in compliance with all applicable laws and regulations.

6204.5

The free product removal system shall be designed to prevent free product migration.

6204.6

The responsible party shall ensure that any flammable substances are handled in a manner that will prevent fire and explosion.

6204.7

The responsible party shall prepare and submit to the Department, in accordance with § 5500.4, a status report on the removal of any free product that provides at least the following information:

(a) The name of the person(s) responsible for implementing the free product removal measures;

(b) The estimated quantity, type, and viscosity of free product observed or measured on-site, including in wells, boreholes, and excavations;

(c) The type of free product recovery system used;

(d) Whether any groundwater treatment and discharge will take place during the recovery operation and where the discharge point will be located;

(e) The type of treatment applied to, and the effluent quality expected from, any such discharge;

(f) The steps that have been or are being taken to obtain necessary permits for any discharge; and

(g) The disposition of the recovered free product.

6204.8

Unless otherwise directed by the Department, the status report required in § 6204.7 shall be submitted to the Department, in accordance with § 5500.4, within sixty (60) days of release confirmation and then once each quarter until the Department determines that free product removal is complete.

D.C. Mun. Regs. tit. 20, r. 20-6204

Final Rulemaking published at 40 DCR 7835, 7887 (November 12, 1993); as amended by Final Rulemaking published at 46 DCR 7699 (October 1, 1999); amended by Final Rulemaking published at 67 DCR 1778 (2/21/2020)