Know Your Environment. Protect Your Health.

Alpha-hexachlorocyclohexane

Sammamish Plateau Water and Sewer

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.

 

16

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
2019ND80ND
2020ND80ND
2021N/A00N/A
2022N/A00N/A
2023N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2019-08-20201908210160ND
2019-08-20201908210325ND
2019-08-20201908210159ND
2019-08-21201908220428ND
2019-08-21201908220295ND
2019-08-21201908220431ND
2019-08-28201908290256ND
2019-11-12201911130275ND
2020-02-11202002120436ND
2020-02-11202002120358ND
2020-02-18202002190328ND
2020-05-18202005200458ND
2020-07-28202007290339ND
2020-07-28202007290341ND
2020-07-28202007290340ND
2020-07-29202007300300ND