Food × analyte
Acetochlor ethanesulfonic acid (ESA) on water, groundwater
2007–2013 · 7 tested years
1,835samples tested
for this analyte
for this analyte
242samples with
a detection
a detection
13.2%of analyte-tested samples
Testing detected Acetochlor ethanesulfonic acid (ESA) in 242 of 1,835 water, groundwater samples actually tested for this analyte. This percentage uses analyte-tested samples, not all 1,835 samples of this food.
Year-by-year results
Actual tested and detected sample counts.
7 tested years between 2007 and 2013. Gaps mean no validated tests in this release.
Read the yearly counts
| Year | Tested | Detected | Rate |
|---|---|---|---|
| 2007 | 272 | 8 | 2.9% |
| 2008 | 249 | 5 | 2.0% |
| 2009 | 278 | 38 | 13.7% |
| 2010 | 250 | 1 | 0.4% |
| 2011 | 604 | 159 | 26.3% |
| 2012 | 168 | 29 | 17.3% |
| 2013 | 14 | 2 | 14.3% |
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: 2007, 2008, 2009, 2010, 2011, 2012, 2013.