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EWG's Tap Water Database — 2021 UPDATE

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Dichlorodifluoromethane

Allen, Village of

Dichlorodifluoromethane (Freon-12) is a refrigerant, solvent and aerosol propellant banned in 2000 under the Montreal Protocol because of its ozone-depleting properties. Freons can cause heart, nervous system and liver damage.

 

8

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND10ND
2015ND20ND
2016ND10ND
2017ND10ND
2018ND20ND
2019ND10ND

ppb = parts per billion

All test results

Date Lab ID Result
2014-11-03328615ND
2015-01-26343333ND
2015-10-20391935ND
2016-10-17ND
2017-10-02ND
2018-01-29530748ND
2018-10-22577091ND
2019-10-28638487ND