What’s Detected?

Food × analyte

Heptachlor epoxide on summer squash

2006–2022 · 9 tested years

4,312samples tested
for this analyte
71samples with
a detection
1.6%of analyte-tested samples

Testing detected Heptachlor epoxide in 71 of 4,312 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: 1.8%, 13 of 742 tested samples2008: 2.5%, 14 of 554 tested samples2012: 0.0%, 0 of 186 tested samples2013: 0.3%, 2 of 709 tested samples2014: 1.3%, 7 of 531 tested samples2020: 0.0%, 0 of 176 tested samples2021: 2.1%, 15 of 698 tested samples2022: 3.2%, 17 of 530 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%
2007742131.8%
2008554142.5%
2009Not tested——
2010Not tested——
2011Not tested——
201218600.0%
201370920.3%
201453171.3%
2015Not tested——
2016Not tested——
2017Not tested——
2018Not tested——
2019Not tested——
202017600.0%
2021698152.1%
2022530173.2%
Testing panels and detection limits change. These observations do not establish a causal trend.
All results for Summer Squash →Heptachlor epoxide 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