Dalapon
Stagecoach S/d
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2014 | N/A | 0 | 0 | N/A |
2015 | 4.38 ppb | 4 | 2 | ND - 13.0 ppb |
2016 | 12.7 ppb | 3 | 2 | ND - 21.0 ppb |
2017 | ND | 1 | 0 | ND |
2018 | ND | 3 | 0 | ND |
2019 | ND | 1 | 0 | ND |
ppb = parts per billion
State and national drinking water standards and health guidelines
EPA Maximum Contaminant
Level (MCL) 200 ppb
The legal limit for dalapon, established in 1992, was based on a toxicity study in laboratory animals published in 1960.
ppb = parts per billion
All test results
Date | Lab ID | Result |
---|---|---|
2015-04-14 | ND | |
2015-07-29 | ND | |
2015-07-29 | 4.50 ppb | |
2015-10-07 | 13.0 ppb | |
2016-01-20 | C516140-01 | 17.0 ppb |
2016-05-04 | CZ03433-01 | 21.0 ppb |
2016-07-20 | CZ08476-01 | ND |
2017-04-25 | CA03098-01 | ND |
2018-05-16 | CB03526-01 | ND |
2018-05-16 | CB03527-01 | ND |
2018-07-19 | CB08252-01 | ND |
2019-04-16 | CC04338-01 | ND |