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Melanie Benesh Profile picture
Melanie Benesh
@MelanieBenesh
Legislative & regulatory attorney. V.P. Gov't Affairs @EWG. Adjunct Prof @GeorgetownLaw. Dessert enthusiast. Runner. Mostly tweeting about #PFAS. Opinions mine.
Jun 15, 2022 • 7 tweets • 4 min read
New Health Advisories for 4 #PFAS announced today and they are VERY low
#PFOA: 4 parts per *quadrillion*
#PFOS: 20 parts per *quadrillion*
#GenX: 10 ppt
#PFBS: 2000 ppt

This is a huge deal

#ForeverChemicals | @ewg | ewg.org/news-insights/… That means #PFAS are toxic in minuscule amounts. Ppq is a tiny, tiny unit of measurement. WA state explained in 2018, "Lay a penny on the ground and compare it — by area — to the entire state of Washington. That is equal to one part per quadrillion." ecology.wa.gov/Blog/Posts/Mar…
Jul 11, 2019 • 20 tweets • 12 min read
Soon, the House will consider adding #PFAS to the hazardous substance list under #Superfund. Here’s why that matters.

A THREAD.

(you can also read my blog on the subject)
ewg.org/news-and-analy… #PFAS are a group of chemicals that have been used for decades in a wide variety of industrial, consumer, and military applications. @EWG’s contamination map (updated today!) has identified over 700 sites where PFAS has been detected.
ewg.org/interactive-ma…