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EWG's Tap Water Database — 2021 UPDATE

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Alpha-hexachlorocyclohexane

City of Delano

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.

 

22

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
2018ND220ND
2019N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2018-05-15201805160953ND
2018-05-15201805160985ND
2018-05-15201805160901ND
2018-05-15201805160872ND
2018-05-15201805160892ND
2018-05-15201805161166ND
2018-05-15201805160964ND
2018-05-15201805161125ND
2018-05-15201805160873ND
2018-05-15201805160993ND
2018-06-20201806220261ND
2018-06-20201806220344ND
2018-10-01201810040479ND
2018-10-01201810040603ND
2018-10-01201810040458ND
2018-11-07201811080741ND
2018-11-07201811080836ND
2018-11-07201811080838ND
2018-11-07201811080842ND
2018-11-07201811080726ND
2018-11-07201811080703ND
2018-11-28201811300116ND