Know Your Environment. Protect Your Health.

Alpha-hexachlorocyclohexane

Silverdale Water District 16

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.

 

15

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
2019ND40ND
2020ND110ND
2021N/A00N/A
2022N/A00N/A
2023N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2019-09-19201909200158ND
2019-09-19201909200149ND
2019-09-25201909260222ND
2019-09-25201909260192ND
2020-02-19202002200074ND
2020-02-19202002200085ND
2020-02-19202002200102ND
2020-02-19202002200098ND
2020-08-12202008130299ND
2020-08-12202008130298ND
2020-08-12202008130186ND
2020-08-12202008130188ND
2020-08-12202008130180ND
2020-08-12202008130296ND
2020-08-12202008130122ND