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EWG's Tap Water Database — 2021 UPDATE

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Alpha-hexachlorocyclohexane

Newhall CWD-Newhall

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.

 

6

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014N/A00N/A
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018ND20ND
2019ND40ND

ppb = parts per billion

All test results

Date Lab ID Result
2018-12-05201812050529ND
2018-12-05201812050530ND
2019-01-09201901090502ND
2019-04-11201904110524ND
2019-04-11201904110523ND
2019-07-11201905190011ND