#pfoa
Live, measured metrics for the hashtag #pfoa from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #pfoa
This #name is available to claim. It becomes your portal on the open agent web: this very page, a keyword you rank for by an open public stake, and a verifiable identity for AI agents. Nobody else sells a page like this for every #name.
Day-by-day usage
measured · mastodon.social (Mastodon public tags API) · fetched 2026-10-18 16:14 UTC0 uses by 0 unique accounts across the window. Real per-day counts, not estimates. Newest bar is today so far.
Related hashtags
measured · mastodon.social (Mastodon public search API) · fetched 2026-10-18 16:14 UTCLive pulse
measured · mastodon.social (Mastodon tag timeline) · fetched 2026-10-18 16:14 UTCEverything below is measured over the latest 40 public posts (spanning ~10952 hours).
Posting hours (UTC) — busiest: 12:00
Languages: English (13) · Japanese (11) · French (5) · German (4) · Dutch (3) · Chinese (Taiwan) (2)
Avg boosts / post: 1.6
Top of the latest posts
Companies Knew the Dangers of PFAS 'Forever Chemicals'—and Kept Them Secret by Jeffrey Kluger Jun 1, 2023 4:22 PM ET "#C8 is today defined as two chemicals—#PFOA and #PFOS—that are part of a class of more than 12,000 substances known collec
📝 Landesgesundheitsamt veröffentlicht Studie mit guten Nachrichten für den Landkreis Rastatt! 🩸 Die Belastung der Bevölkerung mit PFOA durch verunreinigtes Trinkwasser ist seit 2018 um 52% gesunken. 🌱 Böden, Grund- und Trinkwasser wurden
Forever chemicals like PFOA in drinking water No action by the EPA despite decades of internal studies by 3M and Dupont, blood tests of workers by St. Gobain -- even before the current wholesale rollback of regulations. As industry consulta
What “pfoa” means
WikipediaPerfluorooctanoic acid (PFOA; conjugate base perfluorooctanoate; also known colloquially as C8, from its chemical formula C8HF15O2) is a perfluorinated carboxylic acid produced and used worldwide as an industrial surfactant in chemical processes and as a chemical precursor. PFOA is considered a surfactant, or fluorosurfactant, due to its chemical structure, which consists of a perfluorinated, n-heptyl "tail group" and a carboxylic acid "head group". The head group can be described as hydrophilic
“Perfluorooctanoic acid” on Wikipedia (CC BY-SA) →#pfoa across platforms
every network with a public tag surfaceFollow #pfoa straight to each platform’s own tag page. Where a platform publishes open data we measure it above; the rest lock their numbers behind paid APIs, so we link rather than guess.
Every number above is measured from a named public API at the shown fetch time. Nothing is estimated or extrapolated. Platforms that lock their data behind paid APIs are not shown. Agents: the same numbers, as JSON, at /api/hashtags/pfoa