Food × analyte
DDT p,p' on celery
2001–2023 · 9 tested years
4,705samples tested
for this analyte
for this analyte
23samples with
a detection
a detection
0.5%of analyte-tested samples
Testing detected DDT p,p' in 23 of 4,705 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 2001 and 2023. Gaps mean no validated tests in this release.
Read the yearly counts
| Year | Tested | Detected | Rate |
|---|---|---|---|
| 2001 | 213 | 0 | 0.0% |
| 2002 | 216 | 0 | 0.0% |
| 2003 | Not tested | — | — |
| 2004 | Not tested | — | — |
| 2005 | Not tested | — | — |
| 2006 | Not tested | — | — |
| 2007 | 739 | 4 | 0.5% |
| 2008 | 741 | 8 | 1.1% |
| 2009 | Not tested | — | — |
| 2010 | Not tested | — | — |
| 2011 | Not tested | — | — |
| 2012 | Not tested | — | — |
| 2013 | 708 | 9 | 1.3% |
| 2014 | 679 | 2 | 0.3% |
| 2015 | Not tested | — | — |
| 2016 | Not tested | — | — |
| 2017 | Not tested | — | — |
| 2018 | Not tested | — | — |
| 2019 | Not tested | — | — |
| 2020 | Not tested | — | — |
| 2021 | 354 | 0 | 0.0% |
| 2022 | 706 | 0 | 0.0% |
| 2023 | 349 | 0 | 0.0% |
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: 2001, 2002, 2007, 2008, 2013, 2014, 2021, 2022, 2023.