California Code of Regulations
Title 23 - Waters
Division 3 - State Water Resources Control Board and Regional Water Quality Control Boards
Chapter 15 - Discharges of Hazardous Waste to Land
Article 5 - Water Quality Monitoring and Response Programs for Waste Management Units
Section 2550.3 - Constituents of Concern

For each Class I waste management unit, the regional board shall specify in the waste discharge requirements the constituents of concern to which the water quality protection standard of section 2550.2 of this article applies. Constituents of concern are the waste constituents, reaction products, and hazardous constituents that are reasonably expected to be in or derived from waste contained in the waste management unit.

1. New section filed 5-24-91; operative 7-1-91 (Register 91, No. 22).
2. Amendment filed 6-18-97; operative 7-18-97 (Register 97, No. 25).

Note: Authority cited: Section 1058, Water Code. Reference: Sections 13172, 13263, and 13267, Water Code.