Food × analyte

DDE p,p' on fish, catfish

2008–2010 · 3 tested years

1,479samples tested
for this analyte
1,073samples with
a detection
72.5%of analyte-tested samples

Testing detected DDE p,p' in 1,073 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.

0%25%50%75%100%2008: 84.6%, 467 of 552 tested samples2009: 65.0%, 353 of 543 tested samples2010: 65.9%, 253 of 384 tested samples200820092010

3 tested years between 2008 and 2010. Gaps mean no validated tests in this release.

Read the yearly counts
Percentages use the samples actually tested in each year.
YearTestedDetectedRate
200855246784.6%
200954335365.0%
201038425365.9%
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.

How we count tests, detections and missing years →

Other analytes on this food