Food × analyte
Diphenylamine (DPA) on pears
1997–2022 · 12 tested years
7,500samples tested
for this analyte
for this analyte
817samples with
a detection
a detection
10.9%of analyte-tested samples
Testing detected Diphenylamine (DPA) in 817 of 7,500 pears samples actually tested for this analyte. This percentage uses analyte-tested samples, not all 7,577 samples of this food.
Year-by-year results
Actual tested and detected sample counts.
12 tested years between 1997 and 2022. Gaps mean no validated tests in this release.
Read the yearly counts
| Year | Tested | Detected | Rate |
|---|---|---|---|
| 1997 | 693 | 158 | 22.8% |
| 1998 | 712 | 130 | 18.3% |
| 1999 | 359 | 53 | 14.8% |
| 2000 | Not tested | — | — |
| 2001 | Not tested | — | — |
| 2002 | Not tested | — | — |
| 2003 | 187 | 5 | 2.7% |
| 2004 | 741 | 37 | 5.0% |
| 2005 | 555 | 35 | 6.3% |
| 2006 | Not tested | — | — |
| 2007 | Not tested | — | — |
| 2008 | Not tested | — | — |
| 2009 | 742 | 37 | 5.0% |
| 2010 | 743 | 46 | 6.2% |
| 2011 | Not tested | — | — |
| 2012 | Not tested | — | — |
| 2013 | Not tested | — | — |
| 2014 | Not tested | — | — |
| 2015 | 705 | 81 | 11.5% |
| 2016 | 707 | 76 | 10.7% |
| 2017 | Not tested | — | — |
| 2018 | Not tested | — | — |
| 2019 | Not tested | — | — |
| 2020 | Not tested | — | — |
| 2021 | 648 | 86 | 13.3% |
| 2022 | 708 | 73 | 10.3% |
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: 1997, 1998, 1999, 2003, 2004, 2005, 2009, 2010, 2015, 2016, 2021, 2022.