Food × analyte
Tetrahydrophthalimide (THPI) on apple juice
1996–2020 · 8 tested years
1,802samples tested
for this analyte
for this analyte
543samples with
a detection
a detection
30.1%of analyte-tested samples
Testing detected Tetrahydrophthalimide (THPI) in 543 of 1,802 apple juice samples actually tested for this analyte. This percentage uses analyte-tested samples, not all 4,530 samples of this food.
Year-by-year results
Actual tested and detected sample counts.
8 tested years between 1996 and 2020. Gaps mean no validated tests in this release.
Read the yearly counts
| Year | Tested | Detected | Rate |
|---|---|---|---|
| 1996 | 13 | 13 | 100.0% |
| 1997 | 30 | 30 | 100.0% |
| 1998 | 46 | 41 | 89.1% |
| 1999 | Not tested | — | — |
| 2000 | Not tested | — | — |
| 2001 | Not tested | — | — |
| 2002 | Not tested | — | — |
| 2003 | Not tested | — | — |
| 2004 | Not tested | — | — |
| 2005 | Not tested | — | — |
| 2006 | Not tested | — | — |
| 2007 | 106 | 19 | 17.9% |
| 2008 | 108 | 8 | 7.4% |
| 2009 | Not tested | — | — |
| 2010 | Not tested | — | — |
| 2011 | Not tested | — | — |
| 2012 | 396 | 125 | 31.6% |
| 2013 | 379 | 98 | 25.9% |
| 2014 | Not tested | — | — |
| 2015 | Not tested | — | — |
| 2016 | Not tested | — | — |
| 2017 | Not tested | — | — |
| 2018 | Not tested | — | — |
| 2019 | Not tested | — | — |
| 2020 | 724 | 209 | 28.9% |
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: 1996, 1997, 1998, 2007, 2008, 2012, 2013, 2020.