Know Your Environment. Protect Your Health.

Permethrin

City of Richland

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

 
YearAverage resultSamples takenDetectionsRange of results
2018N/A00N/A
2019ND100ND
2020ND20ND
2021N/A00N/A
2022N/A00N/A
2023N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2019-04-0919-12704-25801ND
2019-04-0919-12704-25800ND
2019-04-0919-12704-25798ND
2019-04-0919-12704-25799ND
2019-07-0919-25923-50395ND
2019-07-0919-25923-50396ND
2019-10-2919-41720-80839ND
2019-10-2919-41720-80840ND
2019-11-1919-45115-87256ND
2019-11-1919-45115-87257ND
2020-01-0820-01323-2539ND
2020-01-0820-01323-2540ND