Food × analyte
Chlorpyrifos on soybean grain
1997–2022 · 6 tested years
2,918samples tested
for this analyte
for this analyte
462samples with
a detection
a detection
15.8%of analyte-tested samples
Testing detected Chlorpyrifos in 462 of 2,918 soybean grain samples actually tested for this analyte. This percentage uses analyte-tested samples, not all 3,247 samples of this food.
Year-by-year results
Actual tested and detected sample counts.
6 tested years between 1997 and 2022. Gaps mean no validated tests in this release.
Read the yearly counts
| Year | Tested | Detected | Rate |
|---|---|---|---|
| 1997 | 157 | 126 | 80.3% |
| 1998 | 590 | 56 | 9.5% |
| 1999 | Not tested | — | — |
| 2000 | Not tested | — | — |
| 2001 | Not tested | — | — |
| 2002 | Not tested | — | — |
| 2003 | Not tested | — | — |
| 2004 | 616 | 178 | 28.9% |
| 2005 | 647 | 94 | 14.5% |
| 2006 | Not tested | — | — |
| 2007 | Not tested | — | — |
| 2008 | Not tested | — | — |
| 2009 | Not tested | — | — |
| 2010 | Not tested | — | — |
| 2011 | 300 | 8 | 2.7% |
| 2012 | Not tested | — | — |
| 2013 | Not tested | — | — |
| 2014 | Not tested | — | — |
| 2015 | Not tested | — | — |
| 2016 | Not tested | — | — |
| 2017 | Not tested | — | — |
| 2018 | Not tested | — | — |
| 2019 | Not tested | — | — |
| 2020 | Not tested | — | — |
| 2021 | Not tested | — | — |
| 2022 | 608 | 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: 1997, 1998, 2004, 2005, 2011, 2022.