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EWG's Tap Water Database — 2021 UPDATE

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Dichlorodifluoromethane

United Water Cons District

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.

 

29

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND40ND
2015ND80ND
2016ND40ND
2017ND20ND
2018ND50ND
2019ND60ND

ppb = parts per billion

All test results

Date Lab ID Result
2014-08-135867-013-0900ND
2014-08-135867-013-0900ND
2014-08-135867-008-0810ND
2014-08-135867-008-0810ND
2015-02-175867-026-0905ND
2015-02-175867-026-0905ND
2015-08-125867-004-0716ND
2015-08-125867-010-0830ND
2015-08-125867-010-0830ND
2015-08-125867-004-0716ND
2015-08-125867-007-0736ND
2015-08-125867-007-0736ND
2016-08-115867-026-0732ND
2016-08-115867-026-0732ND
2016-08-115867-017-0752ND
2016-08-115867-017-0752ND
2017-08-095867-008-0806ND
2017-08-095867-008-0806ND
2018-08-085867-007-0849ND
2018-08-085867-007-0849ND
2018-08-085867-004-0820ND
2018-08-085867-004-0820ND
2018-11-215867-013-0828ND
2019-08-145867-017-0925ND
2019-08-145867-017-0925ND
2019-08-145867-013-0855ND
2019-08-145867-013-0855ND
2019-08-145867-027-0915ND
2019-08-145867-027-0915ND