EPA's definitions include "levels representing the chemical, physical, and biological conditions that would result from natural geomorphological processes such as weathering or dissolution". No consideration to uncontrollable anthropogenic sources is provided in this definition. Background sources can be ...
(d) lists to include waters impaired or threatened by invasive species.The different approaches taken by the states may reflect the fact that USEPA has not determined whether invasive species are pollutants within the definition of CWA Section 502(6) and has not provided specific guidance to the...
(d) lists to include waters impaired or threatened by invasive species.The different approaches taken by the states may reflect the fact that USEPA has not determined whether invasive species are pollutants within the definition of CWA Section 502(6) and has not provided specific guidance to the...
The objective of this study focuses on how to improve the current USEPA method for estimating the margin of safety by using a practical uncertainty analysis method.The First-Order Error Analysis (FOEA) was applied for quantifying the MOS in the TMDL formulation. The case study was based on ...
In response, the Georgia Ports Authority, USACE, USEPA, other state and federal resource agencies, and public interest and environmental groups jointly formed the Stakeholders Evaluation Group (SEG) to address concerns raised about the potential impacts of the proposed deepening. The purpose of the ...
During the late 1980s, the Department joined USEPA in promoting the philosophy that an integrated, scientific, holistic approach: e.g., the watershed approach, represented the "best chance" to protect, enhance and manage the water resources of New Jersey and the nation. A pilot watershed plan...