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EWG's Tap Water Database — 2021 UPDATE

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Alpha-hexachlorocyclohexane

Festus

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
2014N/A00N/A
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019ND40ND

ppb = parts per billion

All test results

Date Lab ID Result
2019-02-1235447909001SEA1ND
2019-06-0535473227001SEA2ND
2019-08-2735493706001SEA3ND
2019-11-2035513911001SEA4ND