Food × analyte
Clopyralid on water, untreated
2004–2013 · 9 tested years
2,258samples tested
for this analyte
for this analyte
244samples with
a detection
a detection
10.8%of analyte-tested samples
Testing detected Clopyralid in 244 of 2,258 water, untreated samples actually tested for this analyte. This percentage uses analyte-tested samples, not all 2,811 samples of this food.
Year-by-year results
Actual tested and detected sample counts.
9 tested years between 2004 and 2013. Gaps mean no validated tests in this release.
Read the yearly counts
| Year | Tested | Detected | Rate |
|---|---|---|---|
| 2004 | 340 | 1 | 0.3% |
| 2005 | 252 | 30 | 11.9% |
| 2006 | 279 | 59 | 21.1% |
| 2007 | 362 | 40 | 11.0% |
| 2008 | 308 | 60 | 19.5% |
| 2009 | 225 | 32 | 14.2% |
| 2010 | 189 | 20 | 10.6% |
| 2011 | Not tested | — | — |
| 2012 | 253 | 2 | 0.8% |
| 2013 | 50 | 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: 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2012, 2013.