DCPA di-acid degradate
City of Moses Lake
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 | N/A | 0 | 0 | N/A |
2015 | ND | 1 | 0 | ND |
2016 | 0.0750 ppb | 8 | 3 | ND - 0.300 ppb |
2017 | ND | 2 | 0 | ND |
2018 | 0.0367 ppb | 9 | 3 | ND - 0.130 ppb |
2019 | 0.443 ppb | 4 | 3 | ND - 1.35 ppb |
ppb = parts per billion
All test results
Date | Lab ID | Result |
---|---|---|
2015-03-10 | 84034 | ND |
2016-02-17 | ND | |
2016-03-08 | 0.200 ppb | |
2016-04-18 | ND | |
2016-04-18 | 0.300 ppb | |
2016-06-20 | ND | |
2016-06-20 | ND | |
2016-08-16 | 0.1000 ppb | |
2016-09-20 | ND | |
2017-03-28 | ND | |
2017-03-29 | ND | |
2018-04-03 | ND | |
2018-04-03 | ND | |
2018-04-03 | ND | |
2018-04-03 | 0.1000 ppb | |
2018-07-09 | ND | |
2018-08-13 | ND | |
2018-09-18 | 0.130 ppb | |
2018-12-10 | ND | |
2018-12-17 | 0.1000 ppb | |
2019-03-26 | ND | |
2019-03-26 | 0.280 ppb | |
2019-04-01 | 1.35 ppb | |
2019-04-01 | 0.140 ppb |