Superfund Sites - Environmental Management 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 crucial role ...

Link between a Group of Common Chemicals and Preterm Births in Puerto Rico Examined by Researchers

In the 2018 Premature Birth Report Card from the March of Dimes, Puerto Rico received a D grade from the nonprofit organization. That year, the preterm birth rate in Puerto Rico was listed at 11.4%, ...

EPA Releases Final Risk Evaluation for Trichloroethylene and Potential Exposure Hazards in Puerto Rico

In late November of last year, the U.S. Environmental Protection Agency (EPA) released its Final Risk Evaluation for Trichloroethylene. The document addresses the agency’s determinations on which conditions of use may present unreasonable ...

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Active Electrode Cables

AGI’s active dual-mode electrode cables (U.S. Patent 6,404,203) are used for ultra-sensitive automatic induced polarization (IP) measurements using nonpolarizable electrodes. The dual-mode electrodes have a receiver channel that is isolated from the transmitting stainless steel electrode.