"We are relieved that EPA did not broaden the definition of PFAS to include substances with a single fluorinated carbon (trifluoromethyl groups)," the law firm Bergeson & Campbell, which specializes in chemical law and regulation for businesses, says in an Oct. 3 memorandum on the Toxic ...
Perfluoroalkyl and polyfluoroalkyl substancesor “PFAS” means a class of fluorinated organic chemicals containing at least one fully fluorinated carbon atom. Licensed Compoundmeans [***]. Collaboration Compoundmeans any of the following: (a) FG-4592, (b) any HIF Compound (other than FG-4592) ...
Perfluoroalkyl and polyfluoroalkyl substancesor “PFAS” means a class of fluorinated organic chemicals containing at least one fully fluorinated carbon atom. Underground injectionmeans the subsurface emplacement of fluids through a bored, drilled or driven well; or through a dug well, where the depth...
Emily Harnett,Harper's Magazine, 26 Apr. 2024Through the process ofbioaccumulationin living organisms, PFAS chemicals and other micropollutants can build up over time, multiplying their harmful effects.— Cameron Pugh,The Christian Science Monitor, 5 Mar. 2024 ...
PFAS noun(1) Word History and OriginsWord of the Day [pee-fas] Phonetic (Standard)IPA noun perfluoroalkyl and polyfluoroalkyl substances:long-lasting chemicals used in cleaning products, cookware coating, fire-fighting foams, makeup, stain-resistant carpeting, etc., that remain in the environment...
finalized TSCA reporting rule is driving conflicting reactions from industry and environmentalists, with some industry advocates signaling relief that EPA did not significantly broaden the definition beyond the proposed version while environmentalists are lamenting it falls short of capturing all PFAS. "...
Lauren Krueger,Better Homes & Gardens, 17 Aug. 2023There is still no maximum contaminant limit fordioxanenor any PFAS chemicals.— Zayna Syed,The Arizona Republic, 17 Jan. 2023The talk at parties was about a toxic plume from a landfill,dioxane, and contaminants in the soil from a nearby nu...
The resolution using MSI is so powerful that every color in the image represents a distinct kind of molecule. Their novel use of MSI differs from conventional applications by the magnitude of the data generated using the lab’s world record 21-tesla ion cyclotron resonance (ICR)...
2.(Biology)anysimilarfinesilkymaterial,suchasthehairlikestylesandstigmasofmaizeorthefibrespreparedfromsilkwormcocoons 3.(Knitting&Sewing)untwistedsilkthreadusedinembroidery,etc 4.(Dentistry)Seedental floss vb (Dentistry)toclean(betweenone'steeth)withdentalfloss ...
duration of the infection, and being infected with a "high-risk" HPV type (see below). Persistent HPV infection has been shown to play a causal role in the development ofgenital wartsand precancerous changes (dysplasia) of the uterine cervix as well ascervical cancer. Even though HPV infect...