DCPA mono- and di-acid degradates
Oyster Bay Water District
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.
5
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 | N/A | 0 | 0 | N/A |
| 2016 | ND | 5 | 0 | ND |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | N/A | 0 | 0 | N/A |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2016-06-28 | 1606Q85-003-SOCS | ND |
| 2016-06-28 | 1606Q85-002-SOCS | ND |
| 2016-06-28 | 1606Q85-001-SOCS | ND |
| 2016-06-28 | 1606Q85-004-SOCS | ND |
| 2016-06-29 | 1606S10-001-SOCS | ND |