Food × analyte
Methamidophos on lettuce
1994–2017 · 11 tested years
6,655samples tested
for this analyte
for this analyte
194samples with
a detection
a detection
2.9%of analyte-tested samples
Testing detected Methamidophos in 194 of 6,655 lettuce samples actually tested for this analyte. This percentage uses analyte-tested samples, not all 6,655 samples of this food.
Year-by-year results
Actual tested and detected sample counts.
11 tested years between 1994 and 2017. Gaps mean no validated tests in this release.
Read the yearly counts
| Year | Tested | Detected | Rate |
|---|---|---|---|
| 1994 | 691 | 41 | 5.9% |
| 1995 | Not tested | — | — |
| 1996 | Not tested | — | — |
| 1997 | Not tested | — | — |
| 1998 | Not tested | — | — |
| 1999 | 185 | 14 | 7.6% |
| 2000 | 740 | 39 | 5.3% |
| 2001 | 554 | 23 | 4.2% |
| 2002 | Not tested | — | — |
| 2003 | Not tested | — | — |
| 2004 | 743 | 38 | 5.1% |
| 2005 | 743 | 20 | 2.7% |
| 2006 | Not tested | — | — |
| 2007 | Not tested | — | — |
| 2008 | Not tested | — | — |
| 2009 | Not tested | — | — |
| 2010 | 743 | 2 | 0.3% |
| 2011 | 744 | 9 | 1.2% |
| 2012 | Not tested | — | — |
| 2013 | Not tested | — | — |
| 2014 | Not tested | — | — |
| 2015 | 378 | 1 | 0.3% |
| 2016 | 756 | 5 | 0.7% |
| 2017 | 378 | 2 | 0.5% |
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: 1994, 1999, 2000, 2001, 2004, 2005, 2010, 2011, 2015, 2016, 2017.