Dinoseb
Freeport
Dinoseb is a herbicide that causes birth defects and reproductive difficulties. It has been banned in the U.S. since 1986.
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 | ND | 3 | 0 | ND |
| 2015 | ND | 5 | 0 | ND |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | ND | 6 | 0 | ND |
| 2019 | N/A | 0 | 0 | N/A |
ppb = parts per billion
State and national drinking water standards and health guidelines
EPA Maximum Contaminant
Level (MCL) 7 ppb
The legal limit for dinoseb, established in 1992, was based on toxicity studies conducted in laboratory animals in the 1970s and 1980s.
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-04-15 | 1404984-001A | ND |
| 2014-07-15 | 1407A33-001A | ND |
| 2014-10-14 | 1410806-001A | ND |
| 2015-01-20 | 1501B51-001C | ND |
| 2015-01-20 | 1501B51-003C | ND |
| 2015-01-21 | 1501B51-006C | ND |
| 2015-05-26 | 1505K11-001C | ND |
| 2015-05-26 | 1505K11-004C | ND |
| 2018-01-09 | 1801626-001C | ND |
| 2018-01-09 | 1801626-004C | ND |
| 2018-01-09 | 1801626-007C | ND |
| 2018-04-10 | 1804878-001C | ND |
| 2018-04-10 | 1804878-004C | ND |
| 2018-04-10 | 1804878-007C | ND |