EPA GHGRP facility-level emissions (data download)
https://www.epa.gov/system/files/other-files/2024-10/2023_data_summary_spreadsheets.zip
[mandate][threshold] Mandated dataset; a silent schema edit or re-baselining is high-signal. A 404 is itself a Deletion signal.
Timeline
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observed — HTTP 200 —
1220895349c8008b7962…