Dalapon
Ridgecrest North Subdivision
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 | ND | 1 | 0 | ND |
2015 | N/A | 0 | 0 | N/A |
2016 | ND | 2 | 0 | ND |
2017 | ND | 1 | 0 | ND |
2018 | N/A | 0 | 0 | N/A |
2019 | ND | 2 | 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 |
---|---|---|
2014-01-22 | 4012967-01 | ND |
2016-05-25 | 6054120-01 | ND |
2016-05-25 | 6054120-02 | ND |
2017-02-07 | 7021625-01 | ND |
2019-05-22 | 1905I91-001C | ND |
2019-05-22 | 1905I91-003C | ND |