Show Up: Next EW Board of Supervisors meeting has been rescheduled to August 19 at 6:30 PM, 209 Conestoga Road, Frazer, PA 19355

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This page is updated as the situation develops. Most recent entries appear first.

Update — July 20, 2026
  • EPA Contradicts Itself. East Whiteland Township released a document containing what appear to be EPA's own comments. Several of those comments directly contradict EPA's own 2024 Third Five-Year Review. Most notably, EPA is now citing soil as meeting the 2008 cleanup standards, backpedaling from the Third Five-Year Review's own finding that those standards were not protective.1,2 There is no evidence of any soil sampling completed more recently than roughly fifteen years ago.3
  • EPA Confirms: “Ready for Reuse” Status Still Revoked. SWRAU was revoked in September 2024.4 EPA's new Q&A doesn't reinstate it, it only says the designation isn't legally required for construction to continue.5 Revoked is revoked.
  • The Basement Is Still Unaddressed. EPA's Q&A states plainly that it does not recommend, propose, or approve specific redevelopment plans.6 That includes the basement written into the only currently approved plan. EPA has not approved it, calling into question Green Fig/Sentinel's own past claim that the basement was “fully approved by EPA.” Meanwhile, the Board of Supervisors is trying to push through a complete overhaul of that same plan, replacing the basement's cooling towers with a rooftop air-chiller system through a “Field Change.”7 The reversal raises an obvious question: what is driving it, if not concern about excavating deep into contaminated soil.
  • MW-22 Has Been Sealed, As Confirmed in the Documents. A monitoring well with the highest contamination on the site, and the *only monitoring well* with a trendable VOC dataset, has been sealed so Greenfig/Sentinel can build a data center building on top of it. 8,9 EPA has provided no scientific plan for how it intends to preserve that trend data going forward, despite repeated public requests.
  • Ruling Out What It Didn't Measure for Groundwater. The EPA claims groundwater impact "is not anticipated," yet its own findings admit the "vertical and lateral extent" of groundwater contamination remains undetermined, leaving residents to ask how one rules out what one hasn't measured. Is ignorance bliss, or lethal?
  • The EHASP Runs on Outdated Numbers. The developer's own Environmental Health and Safety Plan builds its entire dust-safety math on the 2006 ROD's contaminant limits, not EPA's current standards. For lithium, EPA's own Regional Screening Level has dropped 6.5 times since then, from 260 µg/L to 40 µg/L, but the plan's single sitewide dust action level still assumes the old, looser number.14 Nobody has redone that math against the standard EPA actually uses today.
The Paper Trail Behind EPA's "Much Lower" Claim, and the Math Behind the Dust Plan

EPA's 2024 Third Five-Year Review found the site's soil cleanup goals are not protective, citing a non-cancer hazard index of 30 for a child resident and 2.1 for a composite worker, both above the acceptable limit of 1.1 In July 2026, EPA told the Township it had since evaluated “post-excavation confirmation soil sample data” and found concentrations “much lower” than those same goals, and therefore protective.2

The developer's Soil Management Plan and Environmental Health and Safety Plan, both dated July 10, 2026, claim the site has been remediated three separate times:

  • Claim #1 (SMP, Introduction, p. 1): “...part of the...Foote Mineral Company Superfund Site...for which extensive soil remediation has been completed.”12
  • Claim #2 (SMP, Section 4.3.4, Vapor and Odor Controls): “Organic vapors are not anticipated during earthwork since the soil at the Site has been remediated.”12
  • Claim #3 (EHASP, Section 2.4, Qualifications): “Soils at the Site have been previously remediated.”13

The only soil data in either document is the confirmatory sampling from the original excavation, approved by EPA in a letter dated September 28, 2010, nearly fifteen years ago.3

EPA's 2024 finding was about whether the cleanup goals themselves are protective going forward. Fifteen-year-old sampling showing those areas met the old goals at the time doesn't answer that. Either EPA is describing that old data in a misleading way, or it has newer soil data it hasn't shown anyone. We're demanding the exact report title, date, and sampling event ID in writing.

The dust safety math has the same problem.

The developer's own Environmental Health and Safety Plan builds its entire dust safety calculation on the 2006 ROD's contaminant limits, not EPA's current standards. For lithium, EPA's own screening level has dropped 6.5 times since then, from 260 µg/L to 40 µg/L, but the plan's dust safety math still runs on the old, looser number.14 Nobody has redone that math against the standard EPA actually uses today.

On top of that, the calculation assumes every scoop of dirt sits right at the cleanup limit, never above it. We already have documented spots on this site that blow past those limits: lithium at MW-22 running 325 to 555 times acceptable groundwater levels, and hexavalent chromium tested at 169 mg/kg against a 20.5 mg/kg standard.15 The whole calculation only works if the dirt matches the target exactly, and their own numbers say it doesn't always.

Looking at their own table in the EHASP, manganese stands out. Manganese is the exact contaminant EPA's 2024 review pointed to as the main reason the site failed its safety check.16 Hexavalent chromium isn't far behind on that same list. Chromium is a known human carcinogen, and unlike the other chemicals here, health agencies say there's no truly safe amount to breathe at all. Their table doesn't treat it any differently than the others.

Most importantly, none of this is actually being measured. There are three dust monitors planned for the site, but they measure total dust mass in the air, not what's inside that dust.17 If a piece of equipment digs into a small pocket of contaminated soil, something their own report admits exists on this site, none of those monitors can catch it. It would just look like ordinary dust.

Put it all together, and this is a site where the last soil test was roughly fifteen years ago, built around a safety number already known to be outdated for at least one major contaminant, while the public is being told the soil is “remediated.” By the developer's own report, that word doesn't mean what most people would assume it means.

Background — Workers Started

On July 2, Green Fig/Sentinel were instructed to cease operations after work began on site without the required permits.10

Workers were seen on site installing fence posts on the north side of the property without wearing any protective equipment.

A construction worker in a hard hat installing chain-link fencing at the site, without visible additional PPE.

A worker installs fencing at the site without visible personal protective equipment beyond a hard hat.

State Involvement

Sentinel Green Fig has publicly posted signage at the site noting that its project has received financial assistance from the Commonwealth of Pennsylvania under Governor Josh Shapiro.11

A construction site sign reading 'Sentinel Green Fig, LLC. Financial assistance provided in part by the Commonwealth of Pennsylvania. Honorable Josh Shapiro, Governor.'

If you have views on state tax dollars being used for this project, you can contact Governor Shapiro's office directly.

Sources & further reading:
  1. EPA Third Five-Year Review (Sept. 2024), Appendix J, Tables J-3–J-5.
  2. EPA Responses to Questions for East Whiteland Township Meeting (on file), Q8.
  3. Soil Management Plan, Foote Mineral Co. Superfund Site, July 10, 2026, p. 11; 2011 Remedial Action Report for the Soils, Waste Materials and Debris Consolidation and Capping of the North and South Quarry.
  4. EPA Form 9100-4, SWRAU designation revocation, Sept. 16, 2024.
  5. EPA Responses to Questions for East Whiteland Township Meeting (on file), Q3.
  6. EPA Responses to Questions for East Whiteland Township Meeting (on file), Q11.
  7. East Whiteland Board of Supervisors field change authorization; developer submissions to the Planning Commission, February and March 2026.
  8. EPA Responses to Questions for East Whiteland Township Meeting (on file), Q10.
  9. EPA Third Five-Year Review (Sept. 2024), Table D-3, VOC results; MW-22 sampling history and discussion.
  10. "East Whiteland directs data center developer to stop work on Superfund site," Philadelphia Inquirer, July 2, 2026.
  11. Site photograph, on file, of posted project signage.
  12. Soil Management Plan, Foote Mineral Co. Superfund Site, July 10, 2026, p. 1 and Section 4.3.4.
  13. Environmental Health and Safety Plan (EHASP), Foote Mineral Co. Superfund Site, July 10, 2026, Section 2.4.
  14. EPA Third Five-Year Review (Sept. 2024), Appendix I, Table I-1; EPA Regional Screening Levels, May 2024 update.
  15. EPA Third Five-Year Review (Sept. 2024), Table D-2 (lithium groundwater results); Table J-3 (hexavalent chromium soil results).
  16. EPA Third Five-Year Review (Sept. 2024), Appendix J risk discussion; Soil Management Plan, July 10, 2026, p. 12 (quoting the Third Five-Year Review on manganese as a major driver of excess risk).
  17. Environmental Health and Safety Plan (EHASP), July 10, 2026, Section 3.4.1, Dust Monitoring.