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Articles

Changes to Risk Management Program Rule Sent for Review

The Environmental Protection Agency has sent its revised Risk Management Program Rule to the White House Office of Management and Budget for pre-publication review. The EPA’s Risk Management Program applies to facilities that use or store a certain threshold amount of hazardous substances.

Duke Study Finds Fracking Wastewater is Mostly Brines, not Fracking Fluids

Duke University’s Nicholas School of the Environment published the findings of a study analyzing flowback and produced waters from hydraulically fractured unconventional oil and gas wells. The study found that only 4-8% of the flowback and produced waters is composed of returned injected hydraulic fracturing fluids, and the majority of the return of injected hydraulic fracturing fluids occurs within the first few months after the initial fracturing. The remaining 92-96% of the flowback and produced waters comes from naturally occurring formation brines.