What’s Detected?

Food × analyte

Chlordane trans on summer squash

2006–2022 · 9 tested years

3,631samples tested
for this analyte
39samples with
a detection
1.1%of analyte-tested samples

Testing detected Chlordane trans in 39 of 3,631 summer squash samples actually tested for this analyte. This percentage uses analyte-tested samples, not all 4,312 samples of this food.

Year-by-year results

Actual tested and detected sample counts.

0%25%50%75%100%2006: 1.6%, 3 of 186 tested samples2007: 1.6%, 12 of 742 tested samples2008: 1.8%, 10 of 554 tested samples2012: 0.5%, 1 of 186 tested samples2013: 0.3%, 2 of 709 tested samples2014: 0.8%, 4 of 531 tested samples2020: 1.1%, 1 of 89 tested samples2021: 0.0%, 0 of 365 tested samples2022: 2.2%, 6 of 269 tested samples200620142022

9 tested years between 2006 and 2022. Gaps mean no validated tests in this release.

Read the yearly counts
Percentages use the samples actually tested in each year.
YearTestedDetectedRate
200618631.6%
2007742121.6%
2008554101.8%
2009Not tested——
2010Not tested——
2011Not tested——
201218610.5%
201370920.3%
201453140.8%
2015Not tested——
2016Not tested——
2017Not tested——
2018Not tested——
2019Not tested——
20208911.1%
202136500.0%
202226962.2%
Testing panels and detection limits change. These observations do not establish a causal trend.
All results for Summer Squash →Chlordane trans across foods →

About these results

Source: USDA Pesticide Data Program. Included annual releases: 2006, 2007, 2008, 2012, 2013, 2014, 2020, 2021, 2022.

How we count tests, detections and missing years →

Other analytes on this food

Endosulfan sulfateImidaclopridEndosulfan IThiamethoxam