Food × analyte
Chlorpyrifos methyl on barley
2002–2003 · 2 tested years
1,175samples tested
for this analyte
for this analyte
31samples with
a detection
a detection
2.6%of analyte-tested samples
Testing detected Chlorpyrifos methyl in 31 of 1,175 barley samples actually tested for this analyte. This percentage uses analyte-tested samples, not all 1,177 samples of this food.
Year-by-year results
Actual tested and detected sample counts.
2 tested years between 2002 and 2003. Gaps mean no validated tests in this release.
Read the yearly counts
| Year | Tested | Detected | Rate |
|---|---|---|---|
| 2002 | 723 | 30 | 4.1% |
| 2003 | 452 | 1 | 0.2% |
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: 2002, 2003.