Food × analyte
Chlorpropham on sweet potatoes
1996–2018 · 10 tested years
4,433samples tested
for this analyte
for this analyte
20samples with
a detection
a detection
0.5%of analyte-tested samples
Testing detected Chlorpropham in 20 of 4,433 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.
10 tested years between 1996 and 2018. Gaps mean no validated tests in this release.
Read the yearly counts
| Year | Tested | Detected | Rate |
|---|---|---|---|
| 1996 | 507 | 1 | 0.2% |
| 1997 | 681 | 0 | 0.0% |
| 1998 | 357 | 1 | 0.3% |
| 1999 | Not tested | — | — |
| 2000 | Not tested | — | — |
| 2001 | Not tested | — | — |
| 2002 | Not tested | — | — |
| 2003 | Not tested | — | — |
| 2004 | 2 | 2 | 100.0% |
| 2005 | Not tested | — | — |
| 2006 | Not tested | — | — |
| 2007 | Not tested | — | — |
| 2008 | 184 | 1 | 0.5% |
| 2009 | 739 | 2 | 0.3% |
| 2010 | 553 | 6 | 1.1% |
| 2011 | Not tested | — | — |
| 2012 | Not tested | — | — |
| 2013 | Not tested | — | — |
| 2014 | Not tested | — | — |
| 2015 | Not tested | — | — |
| 2016 | 532 | 4 | 0.8% |
| 2017 | 701 | 3 | 0.4% |
| 2018 | 177 | 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: 1996, 1997, 1998, 2004, 2008, 2009, 2010, 2016, 2017, 2018.