DCPA mono- and di-acid degradates
Foothill Estates Ws
DCPA degradates are residues of the herbicide dacthal, or DCPA, which is used for urban, household and agricultural applications. Dacthal is a possible human carcinogen whose use was limited by the EPA in 2005 due to concerns about water contamination.
4
Samples
0
Samples exceeding legal limit (MCL)
0
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2014 | N/A | 0 | 0 | N/A |
| 2015 | 0.670 ppb | 2 | 2 | 0.340 ppb - 1.000 ppb |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | 0.605 ppb | 2 | 2 | 0.350 ppb - 0.860 ppb |
| 2019 | N/A | 0 | 0 | N/A |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2015-05-28 | 9590-001-1220 | 1.000 ppb |
| 2015-05-28 | 9590-002-1212 | 0.340 ppb |
| 2018-08-02 | 9590-001-1349 | 0.860 ppb |
| 2018-09-05 | 9590-002-1354 | 0.350 ppb |