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EWG's Tap Water Database — 2021 UPDATE

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Dichlorodifluoromethane

Big Timber, City 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.

 

7

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

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

ppb = parts per billion

All test results

Date Lab ID Result
2014-04-07B14040570-001DND
2014-04-07B14040570-002DND
2015-08-18B15081607-001FND
2016-08-08B16080693-001DND
2017-08-08B17080790-001CND
2018-08-07B18080652-001FND
2019-08-13B19081162-001GND