Permethrin
City of Redding
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 |
---|---|---|---|---|
2013 | N/A | 0 | 0 | N/A |
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 | 11 | 0 | ND |
2019 | ND | 16 | 0 | ND |
ppb = parts per billion
All test results
Date | Lab ID | Result |
---|---|---|
2018-12-18 | 201812190158 | ND |
2018-12-18 | 201812190205 | ND |
2018-12-18 | 201812190341 | ND |
2018-12-19 | 201812200304 | ND |
2018-12-19 | 201812200313 | ND |
2018-12-19 | 201812200366 | ND |
2018-12-19 | 201812200290 | ND |
2018-12-19 | 201812200301 | ND |
2018-12-19 | 201812200303 | ND |
2018-12-26 | 201812270296 | ND |
2018-12-27 | 201812280110 | ND |
2019-05-02 | 201905030212 | ND |
2019-05-02 | 201905030213 | ND |
2019-06-14 | 201906180319 | ND |
2019-06-17 | 201906180301 | ND |
2019-06-17 | 201906180299 | ND |
2019-06-17 | 201906180341 | ND |
2019-06-17 | 201906180321 | ND |
2019-06-17 | 201906180371 | ND |
2019-06-17 | 201906180394 | ND |
2019-06-17 | 201906180351 | ND |
2019-06-17 | 201906180325 | ND |
2019-06-17 | 201906180381 | ND |
2019-06-17 | 201906180372 | ND |
2019-06-20 | 201906210152 | ND |
2019-09-16 | 201909170629 | ND |
2019-09-16 | 201909170633 | ND |