Food × analyte
Chlorothalonil on celery
1994–2023 · 9 tested years
2,948samples tested
for this analyte
for this analyte
1,289samples with
a detection
a detection
43.7%of analyte-tested samples
Testing detected Chlorothalonil in 1,289 of 2,948 celery samples actually tested for this analyte. This percentage uses analyte-tested samples, not all 5,954 samples of this food.
Year-by-year results
Actual tested and detected sample counts.
9 tested years between 1994 and 2023. Gaps mean no validated tests in this release.
Read the yearly counts
| Year | Tested | Detected | Rate |
|---|---|---|---|
| 1994 | 176 | 119 | 67.6% |
| 1995 | Not tested | — | — |
| 1996 | Not tested | — | — |
| 1997 | Not tested | — | — |
| 1998 | Not tested | — | — |
| 1999 | Not tested | — | — |
| 2000 | Not tested | — | — |
| 2001 | 341 | 160 | 46.9% |
| 2002 | 519 | 323 | 62.2% |
| 2003 | Not tested | — | — |
| 2004 | Not tested | — | — |
| 2005 | Not tested | — | — |
| 2006 | Not tested | — | — |
| 2007 | 85 | 85 | 100.0% |
| 2008 | 70 | 64 | 91.4% |
| 2009 | Not tested | — | — |
| 2010 | Not tested | — | — |
| 2011 | Not tested | — | — |
| 2012 | Not tested | — | — |
| 2013 | Not tested | — | — |
| 2014 | 348 | 107 | 30.7% |
| 2015 | Not tested | — | — |
| 2016 | Not tested | — | — |
| 2017 | Not tested | — | — |
| 2018 | Not tested | — | — |
| 2019 | Not tested | — | — |
| 2020 | Not tested | — | — |
| 2021 | 354 | 93 | 26.3% |
| 2022 | 706 | 216 | 30.6% |
| 2023 | 349 | 122 | 35.0% |
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: 1994, 2001, 2002, 2007, 2008, 2014, 2021, 2022, 2023.