Permethrin
South Island PSD
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.
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 |
|---|---|---|---|---|
| 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 | 6 | 0 | ND |
| 2019 | ND | 6 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2018-10-16 | 4093167 | ND |
| 2018-10-16 | 4093083 | ND |
| 2018-10-16 | 4092937 | ND |
| 2018-10-16 | 4093406 | ND |
| 2018-10-16 | 4093120 | ND |
| 2018-10-16 | 4092799 | ND |
| 2019-04-08 | 4254495 | ND |
| 2019-04-08 | 4254837 | ND |
| 2019-04-08 | 4254615 | ND |
| 2019-04-08 | 4254739 | ND |
| 2019-04-08 | 4254472 | ND |
| 2019-04-08 | 4254629 | ND |