DCPA di-acid degradate
City of Vancouver
DCPA di-acid degradate is a residue 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.
19
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 |
|---|---|---|---|---|
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | ND | 9 | 0 | ND |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | ND | 3 | 0 | ND |
| 2022 | ND | 7 | 0 | ND |
| 2023 | N/A | 0 | 0 | N/A |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2019-12-10 | ND | |
| 2019-12-10 | ND | |
| 2019-12-10 | ND | |
| 2019-12-10 | ND | |
| 2019-12-10 | ND | |
| 2019-12-10 | ND | |
| 2019-12-10 | ND | |
| 2019-12-10 | ND | |
| 2019-12-13 | ND | |
| 2021-03-30 | 4096963 | ND |
| 2021-03-30 | 4096966 | ND |
| 2021-03-30 | 4096961 | ND |
| 2022-08-31 | 4369937 | ND |
| 2022-08-31 | 4369936 | ND |
| 2022-08-31 | 4369935 | ND |
| 2022-12-06 | 4396245 | ND |
| 2022-12-06 | 4396249 | ND |
| 2022-12-06 | 4396235 | ND |
| 2022-12-06 | 4396199 | ND |