Know Your Environment. Protect Your Health.

Alpha-hexachlorocyclohexane

King County Water District #125

Alpha-HCH is a byproduct of the production of the insecticide lindane, which is no longer used in the U.S. The International Agency for Research on Cancer has classified all forms of this chemical as possibly carcinogenic to humans.

 

4

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND30ND
2019ND10ND
2020N/A00N/A
2021N/A00N/A
2022N/A00N/A
2023N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2018-03-05201803060739ND
2018-06-05201806070019ND
2018-09-05201809070500ND
2019-02-20201902210295ND