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EWG's Tap Water Database — 2021 UPDATE

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Alpha-hexachlorocyclohexane

City of Corvallis

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.

 

7

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
2018ND30ND
2019ND40ND

ppb = parts per billion

All test results

Date Lab ID Result
2018-08-08201808100011ND
2018-08-08201808091070ND
2018-11-14201811150833ND
2019-02-07201902080625ND
2019-02-07201902080626ND
2019-05-16201905170273ND
2019-05-16201905170274ND