Permethrin
Calhoun
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 | ND | 6 | 0 | ND |
2019 | ND | 2 | 0 | ND |
ppb = parts per billion
All test results
Date | Lab ID | Result |
---|---|---|
2018-06-06 | 3955045 | ND |
2018-08-02 | 4009968 | ND |
2018-09-05 | 4047612 | ND |
2018-10-24 | 4102454 | ND |
2018-12-03 | 4138875 | ND |
2018-12-03 | 4138881 | ND |
2019-03-05 | 4218161 | ND |
2019-03-27 | 4240091 | ND |