Food × analyte
DDD o,p' on fish, catfish
2008–2010 · 3 tested years
1,339samples tested
for this analyte
for this analyte
141samples with
a detection
a detection
10.5%of analyte-tested samples
Testing detected DDD o,p' in 141 of 1,339 fish, catfish samples actually tested for this analyte. This percentage uses analyte-tested samples, not all 1,479 samples of this food.
Year-by-year results
Actual tested and detected sample counts.
3 tested years between 2008 and 2010. Gaps mean no validated tests in this release.
Read the yearly counts
| Year | Tested | Detected | Rate |
|---|---|---|---|
| 2008 | 552 | 95 | 17.2% |
| 2009 | 543 | 45 | 8.3% |
| 2010 | 244 | 1 | 0.4% |
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: 2008, 2009, 2010.