Food × analyte
DDT on spinach
1995–1997 · 3 tested years
1,328samples tested
for this analyte
for this analyte
176samples with
a detection
a detection
13.3%of analyte-tested samples
Testing detected DDT in 176 of 1,328 spinach samples actually tested for this analyte. This percentage uses analyte-tested samples, not all 6,187 samples of this food.
Year-by-year results
Actual tested and detected sample counts.
3 tested years between 1995 and 1997. Gaps mean no validated tests in this release.
Read the yearly counts
| Year | Tested | Detected | Rate |
|---|---|---|---|
| 1995 | 517 | 86 | 16.6% |
| 1996 | 425 | 53 | 12.5% |
| 1997 | 386 | 37 | 9.6% |
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: 1995, 1996, 1997.