Food × analyte
DDT p,p' on kale greens
2006–2018 · 5 tested years
1,630samples tested
for this analyte
for this analyte
119samples with
a detection
a detection
7.3%of analyte-tested samples
Testing detected DDT p,p' in 119 of 1,630 kale greens samples actually tested for this analyte. This percentage uses analyte-tested samples, not all 2,217 samples of this food.
Year-by-year results
Actual tested and detected sample counts.
5 tested years between 2006 and 2018. Gaps mean no validated tests in this release.
Read the yearly counts
| Year | Tested | Detected | Rate |
|---|---|---|---|
| 2006 | 37 | 12 | 32.4% |
| 2007 | 96 | 11 | 11.5% |
| 2008 | 82 | 3 | 3.7% |
| 2009 | Not tested | — | — |
| 2010 | Not tested | — | — |
| 2011 | Not tested | — | — |
| 2012 | Not tested | — | — |
| 2013 | Not tested | — | — |
| 2014 | Not tested | — | — |
| 2015 | Not tested | — | — |
| 2016 | Not tested | — | — |
| 2017 | 708 | 48 | 6.8% |
| 2018 | 707 | 45 | 6.4% |
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, 2017, 2018.