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effluent limitation guidelines


The ELG Rule: How Long Can Relief from EPA Last?

Under President Obama, the Environmental Protection Agency (EPA) introduced a host of rules and compliance requirements targeting power plants and the oil and gas sector. One such rule, the Effluent…


EPA Postpones Compliance Dates for FGD, Bottom Ash Transport Requirements in ELG Rule

Steam electric power plants preparing to comply with the Environmental Protection Agency’s (EPA’s) effluent limitations guidelines (ELG) and standards as they concern bottom ash transport water and flue gas desulfurization…


A Comparison of ELG Compliance Options for Flue Scrubber Wastewater

Meeting the requirements of the Effluent Limitations Guidelines (ELG) means careful consideration of the various options. Both biological treatment and zero liquid discharge (ZLD) approaches have their place, but ZLD…


Generators Grapple with ELG Implementation

Plant wastewater treatment is not what it once was, and changes in the Environmental Protection Agency’s effluent limitations guidelines (ELG) have added a host of new wrinkles. A panel of…


Zero-Discharge Pozzolanic Brine Solidification: Another Option for Treating FGD Wastewater

With its expected 30% to 50% lower capital expense and 20% to 40% lower operating cost than traditional zero-discharge systems, a new approach to compliance with the EPA’s effluent limitation…