Food × analyte
Chlorpyrifos on collard greens
2006–2020 · 5 tested years
1,380samples tested
for this analyte
for this analyte
24samples with
a detection
a detection
1.7%of analyte-tested samples
Testing detected Chlorpyrifos in 24 of 1,380 collard greens samples actually tested for this analyte. This percentage uses analyte-tested samples, not all 1,380 samples of this food.
Year-by-year results
Actual tested and detected sample counts.
5 tested years between 2006 and 2020. Gaps mean no validated tests in this release.
Read the yearly counts
| Year | Tested | Detected | Rate |
|---|---|---|---|
| 2006 | 86 | 4 | 4.7% |
| 2007 | 353 | 10 | 2.8% |
| 2008 | 240 | 8 | 3.3% |
| 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 | Not tested | — | — |
| 2018 | Not tested | — | — |
| 2019 | 187 | 0 | 0.0% |
| 2020 | 514 | 2 | 0.4% |
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, 2019, 2020.