Permethrin
City of Columbia
Permethrin is an insecticide used on agricultural crops, but most uses are non-agricultural. It can be applied to residential areas to control mosquitoes and ticks and also used as a bug repellent on clothing, as well as medical applications to treat head lice. Long-term exposure to permethrin may harm the liver.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2014 | N/A | 0 | 0 | N/A |
2015 | N/A | 0 | 0 | N/A |
2016 | N/A | 0 | 0 | N/A |
2017 | N/A | 0 | 0 | N/A |
2018 | N/A | 0 | 0 | N/A |
2019 | N/A | 0 | 0 | N/A |
ppb = parts per billion
All test results
Date | Lab ID | Result |
---|---|---|
2020-03-09 | 4582938 | ND |
2020-03-09 | 4582818 | ND |
2020-06-02 | 4640750 | ND |
2020-06-02 | 4640761 | ND |
2020-09-01 | 4714803 | ND |
2020-09-01 | 4714791 | ND |
2020-12-01 | 4786585 | ND |
2020-12-01 | 4786593 | ND |