Food × analyte
DDT on sweet potatoes
1996–1997 · 2 tested years
630samples tested
for this analyte
for this analyte
14samples with
a detection
a detection
2.2%of analyte-tested samples
Testing detected DDT in 14 of 630 sweet potatoes samples actually tested for this analyte. This percentage uses analyte-tested samples, not all 5,927 samples of this food.
Year-by-year results
Actual tested and detected sample counts.
2 tested years between 1996 and 1997. Gaps mean no validated tests in this release.
Read the yearly counts
| Year | Tested | Detected | Rate |
|---|---|---|---|
| 1996 | 272 | 14 | 5.1% |
| 1997 | 358 | 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: 1996, 1997.