Dinoseb
Jefferson Landing
Dinoseb is a herbicide that causes birth defects and reproductive difficulties. It has been banned in the U.S. since 1986.
12
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 | 0.165 ppb | 2 | 1 | ND - 0.330 ppb |
| 2015 | 0.270 ppb | 2 | 2 | 0.200 ppb - 0.340 ppb |
| 2016 | 0.205 ppb | 2 | 1 | ND - 0.410 ppb |
| 2017 | 0.135 ppb | 2 | 1 | ND - 0.270 ppb |
| 2018 | ND | 2 | 0 | ND |
| 2019 | ND | 2 | 0 | ND |
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 |
|---|---|---|
| 2014-12-01 | 92227805003SOC | ND |
| 2014-12-01 | 92227805004SOC | 0.330 ppb |
| 2015-11-30 | 0.340 ppb | |
| 2015-11-30 | 0.200 ppb | |
| 2016-07-11 | 92304855001SOC | ND |
| 2016-07-11 | 92304855002SOC | 0.410 ppb |
| 2017-08-01 | 92349724003SOC | ND |
| 2017-08-01 | 92349724004SOC | 0.270 ppb |
| 2018-08-06 | 92394796005SOC | ND |
| 2018-08-06 | 92394796006SOC | ND |
| 2019-08-20 | CC14208-02 | ND |
| 2019-08-21 | CC14208-01 | ND |