Food × analyte
Tetrahydrophthalimide (THPI) on plums
2011–2023 · 6 tested years
2,522samples tested
for this analyte
for this analyte
19samples with
a detection
a detection
0.8%of analyte-tested samples
Testing detected Tetrahydrophthalimide (THPI) in 19 of 2,522 plums samples actually tested for this analyte. This percentage uses analyte-tested samples, not all 3,610 samples of this food.
Year-by-year results
Actual tested and detected sample counts.
6 tested years between 2011 and 2023. Gaps mean no validated tests in this release.
Read the yearly counts
| Year | Tested | Detected | Rate |
|---|---|---|---|
| 2011 | 143 | 0 | 0.0% |
| 2012 | 697 | 1 | 0.1% |
| 2013 | 507 | 3 | 0.6% |
| 2014 | Not tested | — | — |
| 2015 | Not tested | — | — |
| 2016 | Not tested | — | — |
| 2017 | Not tested | — | — |
| 2018 | Not tested | — | — |
| 2019 | Not tested | — | — |
| 2020 | Not tested | — | — |
| 2021 | 277 | 1 | 0.4% |
| 2022 | 593 | 5 | 0.8% |
| 2023 | 305 | 9 | 3.0% |
Testing panels and detection limits change. These observations do not establish a causal trend.
About these results
Source: USDA Pesticide Data Program. Included annual releases: 2011, 2012, 2013, 2021, 2022, 2023.