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EWG's Tap Water Database — 2021 UPDATE

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Alpha-hexachlorocyclohexane

CTWC - Shoreline Region-Guilford System

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

ppb = parts per billion

All test results

Date Lab ID Result
2020-02-04200564875AND
2020-02-04200564871AND
2020-02-04200564872AND
2020-02-04200564873AND
2020-02-04200564874AND
2020-02-10200565529AND
2020-02-20200567090AND
2020-11-05200597021AND
2021-02-16200606941AND
2021-02-18200607503AND
2021-02-18200607507AND
2021-02-18200607508AND
2021-02-18200607504AND
2021-02-18200607505AND
2021-02-18200607506AND