Food × analyte
DDE p,p' on summer squash
2006–2022 · 9 tested years
3,631samples tested
for this analyte
for this analyte
85samples with
a detection
a detection
2.3%of analyte-tested samples
Testing detected DDE p,p' in 85 of 3,631 summer squash samples actually tested for this analyte. This percentage uses analyte-tested samples, not all 4,312 samples of this food.
Year-by-year results
Actual tested and detected sample counts.
9 tested years between 2006 and 2022. Gaps mean no validated tests in this release.
Read the yearly counts
| Year | Tested | Detected | Rate |
|---|---|---|---|
| 2006 | 186 | 1 | 0.5% |
| 2007 | 742 | 6 | 0.8% |
| 2008 | 554 | 0 | 0.0% |
| 2009 | Not tested | — | — |
| 2010 | Not tested | — | — |
| 2011 | Not tested | — | — |
| 2012 | 186 | 7 | 3.8% |
| 2013 | 709 | 19 | 2.7% |
| 2014 | 531 | 16 | 3.0% |
| 2015 | Not tested | — | — |
| 2016 | Not tested | — | — |
| 2017 | Not tested | — | — |
| 2018 | Not tested | — | — |
| 2019 | Not tested | — | — |
| 2020 | 89 | 3 | 3.4% |
| 2021 | 365 | 19 | 5.2% |
| 2022 | 269 | 14 | 5.2% |
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: 2006, 2007, 2008, 2012, 2013, 2014, 2020, 2021, 2022.