Permethrin
Roslyn WD
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.
16
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 | 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 | ND | 16 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2019-05-23 | 7090761016SEA1 | ND |
| 2019-05-23 | 7090761018SEA1 | ND |
| 2019-05-23 | 7090761006SEA1 | ND |
| 2019-05-23 | 7090761012SEA1 | ND |
| 2019-05-23 | 7090761010SEA1 | ND |
| 2019-05-23 | 7090761004SEA1 | ND |
| 2019-05-23 | 7090761008SEA1 | ND |
| 2019-05-23 | 7090761002SEA1 | ND |
| 2019-11-07 | 70111146002SEA2 | ND |
| 2019-11-12 | 70111504009SEA2 | ND |
| 2019-11-12 | 70111504007SEA2 | ND |
| 2019-11-12 | 70111504008SEA2 | ND |
| 2019-11-12 | 70111504010SEA2 | ND |
| 2019-11-13 | 70111676003SEA2 | ND |
| 2019-11-13 | 70111676002SEA2 | ND |
| 2019-11-14 | 70111808001SEA2 | ND |