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Hydrogen fluoride plume

Narrative dossier · Health & Safety Fears · 16 instances captured this month

8
All narratives

“A battery plant vents hydrogen fluoride that will poison children downwind of the school.”

Health & Safety FearsMissing ContextFirst seen September 26, 2023·Originated with Stop Sullivan Solar

The fastest-growing narrative in the catalog. Built on a real combustion byproduct, then detached from any dispersion modeling or setback context.

16instances this month+45%

Instances this month

16

+45% month over month

Counties affected

6

Top: Tioga County (5 items)

Repeaters identified

4

2 organizations · 2 individuals

Cited rebuttal sources

3

Rebuttal drafted, not yet published

Factual Rebuttal(3 cited sources)The verified response used by the counter-measures team, with the primary sources it rests on.The verified response used by the counter-measures team, with the primary sources it rests on.

Verified response

Lithium-ion thermal runaway can release hydrogen fluoride — that part is real. What is omitted is dispersion: modeling for the largest NYS storage sites shows HF concentrations falling below acute exposure guideline levels within 90–150 feet of the enclosure, well inside the 250-foot setback these projects carry. NFPA 855 requires deflagration venting, unit-level separation, and a UL 9540A test report precisely to bound this scenario.

Cited sources

  1. 1NFPA 855, Standard for the Installation of Stationary Energy Storage SystemsNational Fire Protection Association·2023Mandates UL 9540A large-scale fire testing, explosion control, and minimum separation for outdoor BESS.
  2. 2HF dispersion modeling for utility-scale BESSNYS Energy Storage Fire Safety Working Group·2024Peak modeled HF falls below AEGL-2 within 90–150 ft of the enclosure for the reference 20 MW / 80 MWh case.
  3. 3Chaumont, Jefferson County incident reviewNYS Div. of Homeland Security & Emergency Services·2023No off-site air quality exceedance measured; no injuries; no evacuation beyond the immediate site.

Propagation Timeline(6 events)How the claim entered the New York record and moved between channels, hearings, and local legislation.How the claim entered the New York record and moved between channels, hearings, and local legislation.

  1. Sep 26, 2023OriginClaim launched with a school-siting mapA Facebook post overlays a 2-mile circle on the elementary school and labels it the “fluoride zone.”
  2. Nov 14, 2023AmplificationDoor hangers distributedRoughly 600 door hangers in the hamlet reproduce the map without dispersion or setback figures.
  3. Jan 22, 2024HearingRead into the Berkshire Storage recordSeven of 24 public comments reference the plume; three name the school by name.
  4. Feb 15, 2024RebuttalChaumont incident review cited against the claimDHSES review confirms no off-site air quality exceedance in the 2023 fire.
  5. Apr 8, 2024RebuttalDispersion modeling entered by applicantApplicant files UL 9540A report and modeling showing sub-AEGL-2 at 150 ft.
  6. May 20, 2024LegislationUsed to justify a school-proximity banDraft local law would prohibit storage within two miles of any school — effectively a town-wide ban.

Who Repeated It(4)Organizations and individuals recorded repeating this claim in hearings, filings, or monitored channels.Organizations and individuals recorded repeating this claim in hearings, filings, or monitored channels.

Actor inventory
  • Stop Sullivan SolarLocal group · originator7repeats
  • Citizens for Responsible EnergyFront group · template supplier5repeats
  • Dr. Alan ReddickLaundered Academic · retired toxicologist6repeats
  • Karen VosburghAstroturf Operator · county coordinator5repeats

Deployed Against(1 project)Projects where this claim appeared in the hearing record or in monitored local channels.Projects where this claim appeared in the hearing record or in monitored local channels.

All projects
Berkshire Storage ProjectTioga CountyOpen

Captured excerpt

“Draw a two-mile circle around those containers and you have drawn the fluoride zone. The elementary school is inside it.”

Stop Sullivan Solar (public group)·May 29, 2024

Spread by County(6)Captured items for this narrative by county. Hover the map for county detail.Captured items for this narrative by county. Hover the map for county detail.

  • Tioga5
  • Sullivan3
  • Jefferson3
  • Broome2
  • Saratoga2

Counter-Messaging Kit(3 audiences)Ready-to-deploy responses tailored per audience, with the local messenger best positioned to deliver each one.Ready-to-deploy responses tailored per audience, with the local messenger best positioned to deliver each one.

Full playbook

Talking point · Town board

The setback already covers the modeled distance

Modeling for the reference 20 MW case puts HF below AEGL-2 within 90–150 feet. The project carries a 250-foot setback and a UL 9540A test report on file. A two-mile school buffer is not a safety margin, it is a ban, and it will be litigated as one.

Best messengerCode enforcement officer or fire marshal