Food × analyte
Chlorpyrifos on sweet potatoes
1996–2018 · 11 tested years
5,900samples tested
for this analyte
for this analyte
378samples with
a detection
a detection
6.4%of analyte-tested samples
Testing detected Chlorpyrifos in 378 of 5,900 sweet potatoes samples actually tested for this analyte. This percentage uses analyte-tested samples, not all 5,927 samples of this food.
Year-by-year results
Actual tested and detected sample counts.
11 tested years between 1996 and 2018. Gaps mean no validated tests in this release.
Read the yearly counts
| Year | Tested | Detected | Rate |
|---|---|---|---|
| 1996 | 507 | 53 | 10.5% |
| 1997 | 695 | 76 | 10.9% |
| 1998 | 357 | 34 | 9.5% |
| 1999 | Not tested | — | — |
| 2000 | Not tested | — | — |
| 2001 | Not tested | — | — |
| 2002 | Not tested | — | — |
| 2003 | 734 | 111 | 15.1% |
| 2004 | 743 | 51 | 6.9% |
| 2005 | Not tested | — | — |
| 2006 | Not tested | — | — |
| 2007 | Not tested | — | — |
| 2008 | 162 | 3 | 1.9% |
| 2009 | 739 | 21 | 2.8% |
| 2010 | 553 | 23 | 4.2% |
| 2011 | Not tested | — | — |
| 2012 | Not tested | — | — |
| 2013 | Not tested | — | — |
| 2014 | Not tested | — | — |
| 2015 | Not tested | — | — |
| 2016 | 532 | 3 | 0.6% |
| 2017 | 701 | 2 | 0.3% |
| 2018 | 177 | 1 | 0.6% |
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: 1996, 1997, 1998, 2003, 2004, 2008, 2009, 2010, 2016, 2017, 2018.