Food × analyte
DDT o,p' on lettuce
2004–2005 · 2 tested years
1,054samples tested
for this analyte
for this analyte
12samples with
a detection
a detection
1.1%of analyte-tested samples
Testing detected DDT o,p' in 12 of 1,054 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.
2 tested years between 2004 and 2005. Gaps mean no validated tests in this release.
Read the yearly counts
| Year | Tested | Detected | Rate |
|---|---|---|---|
| 2004 | 527 | 9 | 1.7% |
| 2005 | 527 | 3 | 0.6% |
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.