Water Regulations - Water and Wastewater Information

Articles & Whitepapers

What are Regional Screening Levels (RSL) and why are they used?

The Regional Screening Levels (RSL) can be described as risk-based concentrations derived from standardized equations combining exposure information assumptions with EPA toxicity data (United States Environmental Protection Agency, 2020).Why are SLs used?The EPA Regional Screening Levels (RSL) are used for site screening and as initial cleanup goals. In site screening, the most c

British Columbia Approved Water Quality Guidelines (Canada)

1. Why do we have British Columbia Approved Water Quality Guidelines?The British Columbia Approved Water Quality Guidelines (BC WQG) are policy statements that stipulate ...

Pharmaceutical Company in Puerto Rico Faces Costly Penalties for Alleged Environmental Violations

Recently, the U.S. Environmental Protection Agency (EPA) announced that a pharmaceutical company has agreed to pay a penalty of over $500,000 for alleged Clean Air Act and other environmental violations at its manufacturing plant in Puerto ...

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Water Reuse System

With water scarcity threatening many parts of the world, more municipalities and private companies are exploring ways to treat and reuse wastewater to help secure their water supplies. Fluence’s containerized ECOBOX™ water reuse system provides an affordable, plug-and-play solution that can be commissioned and start producing water less than seven days after the system arrives ...

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Disinfection By-Products: Perspectives on Formation, Control and Mitigation - Webinar

This webinar is part of a research series sponsored by AWWA Water Science and the Joint Section Research Committee. Disinfection byproducts (DBPs) are one of the major challenges in water treatment plant and distribution system operations. In addition to the regulated DBPs—including trihalomethanes, haloacetic acids, bromate, and chlorite—unregulated compounds such as nitrosamines, ...

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