The reporting threshold for each of the 172 PFAS chemicals is 100 pounds. By comparison, the thresholds for the vast majority of TRI chemicals are 10,000 to 25,000 pounds. PFAS chemicals have received considerable attention from the environmental community. Much of this attention has focused on two specific PFAS chemicals: ...
As long as the slope does not have its final cover, you can attempt to control leachate seeps no matter where the seep location. There are many remedies known to landfill operators for controlling seeps before the final cover, but leachate seeps below the final cover are not controllable. ...
Dr. Gomathy Radhakrishna Iyer joined SCS Engineers in April 2019 as a Staff Professional working out of our Reston, Virginia office. She recently had the honor of delivering a presentation … Continue reading Meet Dr. Gomathy Radhakrishna Iyer – SCS Engineers Young Professional
Landfills are complex systems with many pipes for liquids and landfill gas running in many different directions. Some of these pipes are at the bottom of the landfill, such as … Continue reading Final Cover System and Landfill Gas Piping – Design Considerations
The EG rule applies to existing MSW landfills (those existing landfills that have accepted waste since November 8, 1987, and have not initiated an expansion after July 17, 2014). The new EG is intended to eventually replace the existing rules under the New Source Performance Standards (NSPS) of Subpart ...