DCPA mono- and di-acid degradates
Rehoboth 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.
14
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 | N/A | 0 | 0 | N/A |
| 2017 | ND | 2 | 0 | ND |
| 2018 | 0.0617 ppb | 12 | 1 | ND - 0.740 ppb |
| 2019 | N/A | 0 | 0 | N/A |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2017-04-20 | 2224698006 | ND |
| 2017-08-28 | 2258555005 | ND |
| 2018-04-19 | 2310461001 | ND |
| 2018-04-19 | 2310468001 | ND |
| 2018-04-25 | 2311945002 | ND |
| 2018-04-25 | 2311946005 | ND |
| 2018-04-25 | 2311949003 | ND |
| 2018-06-07 | 2319770004 | 0.740 ppb |
| 2018-08-15 | 2333278005 | ND |
| 2018-08-15 | 2333286004 | ND |
| 2018-08-16 | 2333279002 | ND |
| 2018-08-16 | 2333289002 | ND |
| 2018-08-22 | 2334797004 | ND |
| 2018-08-22 | 2334798001 | ND |