Chemical Safety and Hazard Investigation Board
Annual backlog, FY2008–FY2025
Pending requests at end of each fiscal year (Oct 1, 2007 – Sept 30, 2025). Federal fiscal year runs Oct 1 – Sept 30, named for the year it ends.
Dashed verticals mark presidential inaugurations.
Recent quarterly activity
Last 22 quarters of received, processed, and backlog. Most recent: FY2026 Q2 (Jan 1 – Mar 31, 2026).
10 oldest pending requests, end of FY2025 (Sept 30, 2025)
Agencies report days pending in working days, counted from the day the request was received; the years column converts to calendar years. The longer this list runs, the more litigation-ripe the agency’s backlog.
| Rank | Date received | Working days pending | Years pending |
|---|---|---|---|
| #1 | 2019-02-26 | 1,651 | 6.6 |
| #2 | 2022-06-17 | 818 | 3.3 |
| #3 | 2023-02-27 | 647 | 2.6 |
| #4 | 2023-03-09 | 639 | 2.6 |
| #5 | 2023-08-28 | 520 | 2.1 |
| #6 | 2024-03-07 | 390 | 1.6 |
| #7 | 2024-03-25 | 378 | 1.5 |
| #8 | 2024-03-27 | 376 | 1.5 |
| #9 | 2024-04-03 | 371 | 1.5 |
| #10 | 2024-07-17 | 299 | 1.2 |
Exemption invocations, FY2025 (Oct 1, 2024 – Sept 30, 2025)
How often each FOIA exemption (b1–b9) was invoked when redacting or denying records. Exemption 5 (deliberative process, attorney-client) is highlighted — it’s the most-fought exemption in FOIA litigation.
FOIA staffing, FY2025 (Oct 1, 2024 – Sept 30, 2025)
Annual report history
| FY | Received | Processed | Pending end |
|---|---|---|---|
| FY2025 | 147 | 257 | 49 |
| FY2024 | 138 | 261 | 139 |
| FY2023 | 197 | 61 | 248 |
| FY2022 | 337 | 294 | 117 |
| FY2021 | 179 | 134 | 76 |
| FY2020 | 93 | 90 | 31 |
| FY2019 | 33 | 34 | 32 |
| FY2018 | 49 | 48 | 33 |
| FY2017 | 58 | 46 | 32 |
| FY2016 | 45 | 48 | 21 |
| FY2015 | 45 | 30 | 24 |
| FY2014 | 64 | 54 | 11 |
| FY2013 | 40 | 57 | 1 |
| FY2012 | 29 | 54 | 18 |
| FY2011 | 48 | 49 | 43 |
| FY2010 | 36 | 22 | 44 |
| FY2009 | 44 | 46 | 30 |
| FY2008 | 32 | 40 | 32 |
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