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Determining PCLs for Surface Water and Sediment

Description: This document is intended to provide direction for determining the surface water and sediment Protective Concentration Levels (PCLs) for human and ecological receptors, and to provide direction for determining the surface water Risk-Based Exposure Limit (RBEL).
Date: December 2007
Creator: Texas Commission on Environmental Quality
Partner: UNT Libraries Government Documents Department

TCEQ Regulatory Guidance RG-377 Universal Waste Regulations for Hazardous Lamps and Mercury-Containing Equipment in Texas

Description: Many lamps and mercury-containing equipment (MCE) contain toxic substances, such as lead and mercury, that pose a threat to public health when improperly managed. These hazardous lamps and MCE are regulated under the universal waste (UW) rule. This publication will help you understand the rules and how to comply with them.
Date: January 2007
Creator: Texas Commission on Environmental Quality
Partner: UNT Libraries Government Documents Department

Texas Commission on Environmental Quality Regulatory Guidance RG-370 Managing Paint and Paint-Related Waste Under the Universal Waste Rule

Description: This document explains how to properly dispose of paint and paint-related waste under the Universal Waste Rule, which offers alternatives to the otherwise applicable regulations for managing waste.
Date: October 2007
Creator: Texas Commission on Environmental Quality
Partner: UNT Libraries Government Documents Department

Conducting a watershed survey

Description: This booklet will equip your group to survey your watershed and make a record of its history and geography, land and water uses, and potential and actual pollution sources.
Date: October 2007
Creator: Texas Commission on Environmental Quality
Partner: UNT Libraries Government Documents Department

Texas Nonpoint Source Pollution Management Program Annual Report: 2006

Description: Annual report about managing nonpoint source pollution in Texas providing an overview of the issue and discussing progress in water quality improvement and in meeting the goals of the program, updates from specific committees and projects, plans to protect watersheds in Texas, and other related activities during 2006.
Date: February 2007
Creator: Texas Commission on Environmental Quality
Partner: UNT Libraries Government Documents Department

Ecoregions of Texas

Description: A report on the the development of areas known as ecoregions in Texas with environmental information for each region.
Date: December 27, 2007
Creator: Griffiths, Glenn; Bryce, Sandy; Omernik, James & Rogers, Anne
Partner: UNT Libraries Government Documents Department