Food × analyte
DDD p,p' on fish, catfish
2008–2010 · 3 tested years
1,479samples tested
for this analyte
for this analyte
501samples with
a detection
a detection
33.9%of analyte-tested samples
Testing detected DDD p,p' in 501 of 1,479 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 | 235 | 42.6% |
| 2009 | 543 | 162 | 29.8% |
| 2010 | 384 | 104 | 27.1% |
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.