How do PFAS—'forever chemicals'—enter daily life and affect human health?

Data Sources Data Point Source Kelly Calhoun, a housewife from Calhoun; daily consumption of sweet tea; self-funded blood test in 2019; neighbors and friends died of cancer FRONTLINE / AP / Atlanta Journal-Constitution joint documentary 'Contaminated: The Carpet Industry’s Toxic Legacy', February 2026 Calhoun’s 50-year exposure to PFAS-contaminated drinking water affecting 200,000 residents; 30% higher cancer incidence Same source; Dalton State College’s 2008 study on PFAS levels in local water sources Dalton carpet factories sprayed PFAS-laden waste across 9,600 acres of forestland; downstream contamination persists for 100 years FRONTLINE’s 'Contaminated', February 2026; Tencent News, May 2026 1938: Roy Plunkett at DuPont accidentally discovered polytetrafluoroethylene (PTFE); 1944: 'Teflon' trademark registered; used as seals in the Manhattan Project; 1961: non-stick cookware launched commercially DuPont’s official corporate history; ProPublica’s series 'The Teflon Toxin' DuPont’s Teflon business generated over $1 billion in annual net profit DuPont’s annual reports; ProPublica investigation 1961: internal DuPont toxicology report noted enlarged livers in rats; 1981: 3M’s internal report documented 7 female workers exposed to PFAS, resulting in 2 infants born with severe birth defects; 1990: rat studies linked PFAS to testicular tumors; 1993: internal cost-benefit analysis concluded replacement was too expensive, so no action taken 110,000 pages of internal DuPont documents obtained by attorney Robert Bilott via court-ordered injunction in 2000; ProPublica’s 'The Teflon Toxin' 1998: 600 cattle died at Tennant Farm in West Virginia; 153 confirmed dead; linked to waste disposal site of DuPont’s Washington Works plant Same source; case materials underlying the film 'Dark Waters' 2000: attorney Robert Bilott filed motion for injunction and obtained 110,000 pages of internal DuPont documents DeSmog long-form reporting; film 'Dark Waters' (2019) PFAS exposure associated with thyroid cancer, kidney cancer, testicular cancer, immune dysfunction, fetal death or disability; long-chain PFAS have half-lives spanning decades NIH PubMed reviews; EPA’s PFAS Health Risk White Paper; IARC carcinogen assessment 176 million Americans’ public drinking water contains detectable PFAS; 1,050 water systems exceed safety thresholds; 52 million people served EPA 2025 public data; Sina Kandian, May 2026 97% of Americans tested by CDC show detectable PFAS levels in blood CDC NHANES sampling data; CDC PFAS Health Brief U.S. annual healthcare expenditures attributable to PFAS exposure increased by $5.7 billion Trasande team, NYU Langone School of Medicine, journal 'Exposure and Health', 2023 Rome, GA: $100 million PFAS water treatment plant; Anaheim, CA: $200 million; Calhoun, GA: filtration facility construction began in 2024 China News Service, February 2026; Sina Kandian, May 2026; City of Rome, GA City Council resolution Rome municipal bond interest rate: 4.2%; 30-year repayment term; average monthly water bill rose from $35 to $58; share of household disposable income increased from 0.8% to 1.4% Same source Home reverse-osmosis system: $600 upfront; annual filter replacement: $200; blood testing per session: $300 EWG Tap Water Database; resident testimonials (FRONTLINE documentary) DuPont founded in 1802 in Wilmington, Delaware; began purchasing PFOA from 3M in 1951 DuPont’s official corporate history; ProPublica’s 'The Teflon Toxin' 3M announced phaseout of PFOA in 2002; DuPont began manufacturing its own PFOA at Fayetteville Works, North Carolina—and expanded production EPA public archives; ProPublica investigation 2005: EPA fined DuPont $16.5 million—the maximum statutory penalty allowed under federal law at the time EPA press release, December 2005 2017: DuPont settled for $671 million with 3,500 residents in Ohio and West Virginia Reuters, February 2017; ProPublica 2015: DuPont spun off Chemours (inheriting $4 billion debt and 3,500 pending PFAS lawsuits); 2019: spun off Corteva DuPont SEC Form 8-K filings; Chemours 2015 IPO prospectus 2021: liability allocation finalized: Chemours 50%, DuPont 35.5%, Corteva 14.5% Chemours 2021 announcement; SEC filings DuPont cumulative settlement payments: $671 million (2017); $40 million (Abbott case, 2020); $1.18 billion (2023); $27 million (Hoosick Falls, July 2025); $875 million (New Jersey, August 2025) Reuters; New Jersey Attorney General’s Office announcements DuPont’s largest recent annual revenue: $13 billion DuPont 2024 Form 10-K report UN Human Rights Council investigator’s 2024 statement UN OHCHR public statement, September 2024 April 2024: Biden administration’s EPA issued first-ever national enforceable drinking water limits for six PFAS compounds; monitoring begins in 2027; compliance required by 2029; full enforcement effective in 2031 EPA April 2024 official notice First new enforceable limit added to the Safe Drinking Water Act since its 1996 amendment EPA historical archives May 2025: Trump administration’s EPA revoked four of the six limits, retained two, and extended compliance deadlines to 2031 Sigma Earth 2025; Weidu News, May 2025; EPA May 2025 press release December 2024: The Guardian reported EPA accelerated approval of novel short-chain PFAS for semiconductor industry use The Guardian, December 2024 Love Canal, 1942–1953: Hooker Chemical dumped 21,800 tons of chemical waste (including DDT, dioxins, hexachlorobenzene); sold land for $1 on April 28, 1953—with liability waiver clause Economic Observer, December 2023; EPA Superfund file NYD000606947; NYT, August 3, 1978 1976: black sludge seeped into basements around school grounds; 1978: President Carter declared emergency; 950 households evacuated Niagara Gazette, 1976–1978 investigative reporting by Michael Brown; Carter Presidential Library emergency declaration archives 1980: Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA, or 'Superfund Act') established strict, joint-and-several, retroactive liability for pollution; 1995: Occidental Petroleum settled for $129 million; cleanup lasted 24 years and cost over $400 million Same source; EPA Superfund archives General Electric PCB contamination; PG&E hexavalent chromium contamination EPA Hudson River project archives; film 'Erin Brockovich' EWG 2024 compilation of 50,000 U.S. public water systems; 320+ contaminants tracked; over 200 lacking federal enforceable limits EWG Tap Water Database 2024 Report November 2023: International Agency for Research on Cancer (IARC) classified PFAS as Group 1 carcinogens (carcinogenic to humans) IARC Monographs Volume 135 (November 2023)

Key litigation points in securities fraud misrepresentation liability disputes

Taking Beijing as an example, all first-instance cases concerning securities fraud misrepresentation liability disputes filed within the past five years fall under the jurisdiction of the Beijing Financial Court. II. Litigants (A) Plaintiffs eligible to bring civil compensation claims for securities fraud misrepresentation: Investors, security holders, trustees, and asset management product managers. Investors and holders include market participants such as securities firms, fund management companies, insurance companies, trust companies, and commercial banks—as well as investment products lawfully established by them. (B) Liable parties III. Types of Misrepresentation IV. Loss Assessment The scope of civil compensation liability borne by information disclosure obligors is limited to plaintiffs’ actual losses directly caused by the misrepresentation. Such losses specifically include: (A) Investment differential loss (B) Commission (0.03%) and stamp duty (0.1%) attributable to the investment differential loss In securities fraud misrepresentation liability disputes, the 'Three Dates and One Price' refer to: the date of implementation of the misrepresentation, the date of disclosure (or correction), the benchmark date for calculating investment differential loss, and the benchmark price for such calculation. Date of Implementation: the date on which the information disclosure obligor made the false statement—or on which the false statement occurred. Date of Disclosure: the date on which the false statement was first publicly disclosed on nationally influential media—including newspapers, radio, television, regulatory agency websites, trading venue websites, major portals, or industry-renowned self-media—and became known to the securities market. Benchmark Date: the cutoff date set to reasonably confine plaintiffs’ compensable losses strictly to those caused by the misrepresentation. In centralized bidding markets, the benchmark date is the day on which cumulative trading volume of the affected security reaches 100% of its freely tradable shares, beginning from the disclosure or correction date. If cumulative turnover reaches 100% of freely tradable shares within ten trading days, the tenth trading day shall serve as the benchmark date; if not reached within thirty trading days, the thirtieth trading day shall be the benchmark date. Benchmark Price: the average closing price of each trading day between the disclosure (or correction) date and the benchmark date—used as the reference price for calculating investment differential loss.

Chemours Faces Securities Fraud Class Action Over Refrigerant Demand Overstatement

Oct 20, 2026

Chemours faces securities fraud class action alleging overstated refrigerant demand, resulting in an EBITDA cut and 18.63% stock decline. Investors purchasing shares between February and August 2026 have until December 7, 2026, to file lead plaintiff applications.

GlobeNewswire

2026-10-09

Chemours Company Faces Securities Fraud Class Action Over Opteon Demand Claims

2026-10-11

Chemours Faces Securities Lawsuit Over Disclosures and Guidance

2026-10-11

Chemours Company Faces Class Action Lawsuit Alleging Investor Harm

2026-10-12

Class Action Lawsuit Filed Against Chemours for Misleading Investors on Product Demand and Financial Guidance.

2026-10-12

Class Action Lawsuit Filed Against Chemours Over Overstated Demand and Lowered 2026 Guidance