DCPA di-acid degradate
Hill Top Acres
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.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2014 | 37.1 ppb | 2 | 2 | 13.2 ppb - 61.0 ppb |
2015 | 81.8 ppb | 4 | 4 | 35.4 ppb - 127.0 ppb |
2016 | 82.1 ppb | 4 | 4 | 21.0 ppb - 144.8 ppb |
2017 | 62.8 ppb | 4 | 4 | 27.7 ppb - 115.0 ppb |
2018 | 57.3 ppb | 4 | 4 | 23.7 ppb - 120.0 ppb |
2019 | 149.3 ppb | 3 | 3 | 44.8 ppb - 221.0 ppb |
ppb = parts per billion
All test results
Date | Lab ID | Result |
---|---|---|
2014-06-02 | 23916 | 61.0 ppb |
2014-09-08 | 40035 | 13.2 ppb |
2015-02-02 | 05311 | 91.5 ppb |
2015-04-15 | 16673 | 35.4 ppb |
2015-09-15 | 44440 | 73.2 ppb |
2015-11-11 | 54552 | 127.0 ppb |
2016-02-15 | 144.8 ppb | |
2016-04-16 | 38.6 ppb | |
2016-07-12 | 21.0 ppb | |
2016-11-15 | 124.0 ppb | |
2017-02-28 | 77.2 ppb | |
2017-06-19 | 31.1 ppb | |
2017-08-23 | 27.7 ppb | |
2017-10-17 | 115.0 ppb | |
2018-03-05 | 120.0 ppb | |
2018-06-13 | 23.7 ppb | |
2018-08-07 | 27.2 ppb | |
2018-10-10 | 58.4 ppb | |
2019-03-18 | 182.0 ppb | |
2019-06-25 | 44.8 ppb | |
2019-11-20 | 221.0 ppb |