Texas Administrative Code
Title 30 - ENVIRONMENTAL QUALITY
Part 1 - TEXAS COMMISSION ON ENVIRONMENTAL QUALITY
Chapter 334 - UNDERGROUND AND ABOVEGROUND STORAGE TANKS
Subchapter D - RELEASE REPORTING AND CORRECTIVE ACTION
Section 334.79 - Removal of Non-Aqueous Phase Liquids (NAPLs)

Universal Citation: 30 TX Admin Code § 334.79

Current through Reg. 50, No. 13; March 28, 2025

At sites where investigations under § 334.77 of this title (relating to Initial Abatement Measures and Site Check), or by other means, indicate the presence of Non-Aqueous Phase Liquids (NAPLs), owners and operators must remove NAPLs to the maximum extent practicable as determined by the agency while continuing, as necessary, any actions required under § 334.80 and § 334.81 of this title (relating to Investigations for Soil and Groundwater Cleanup; and Corrective Action Plan). In meeting the requirements of this section, owners and operators must:

(1) conduct NAPL removal in a manner that minimizes the spread of contamination into previously uncontaminated zones by using recovery and disposal techniques appropriate to the hydrogeologic conditions at the site, and that properly treats, discharges, or disposes of recovery by-products in compliance with applicable local, state, and federal regulations;

(2) abate the migration of NAPLs as a minimum objective for the design of the NAPL recovery system;

(3) handle any regulated substances in a safe and competent manner to prevent fires, explosions, or other health hazards; and

(4) unless directed to do otherwise, prepare and submit to the agency, within 45 days after confirming a release, a product recovery report that provides at least the following information:

(A) the name of the person(s) responsible for implementing the NAPL removal measures;

(B) the estimated quantity, type, and thickness of NAPL observed or measured in wells, boreholes, and excavations;

(C) detailed information pertaining to the type of NAPL recovery system used;

(D) whether any discharge will take place on-site or off-site during the recovery operation and where this discharge will be located;

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

(F) the steps that have been, or are being taken to obtain necessary permits or other authorizations for any discharge;

(G) the disposition of the recovered NAPL; and

(H) any other related information requested by the agency.

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