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EWG's Tap Water Database — 2021 UPDATE

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Dichlorodifluoromethane

Rubidoux Community SD

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.

MORE ABOUT THIS CONTAMINANT

 

22

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND40ND
2015N/A00N/A
2016ND60ND
2017ND50ND
2018N/A00N/A
2019ND70ND

ppb = parts per billion

All test results

Date Lab ID Result
2014-05-154790-015-0755ND
2014-05-154790-014-0800ND
2014-05-154790-013-0815ND
2014-05-154790-002-0915ND
2016-03-184790-006-1110ND
2016-05-104790-002-1030ND
2016-05-104790-004-1200ND
2016-05-104790-006-1215ND
2016-05-104790-013-1045ND
2016-05-104790-014-1100ND
2017-05-104790-002-0930ND
2017-05-104790-014-1025ND
2017-05-104790-013-1000ND
2017-05-104790-006-1115ND
2017-05-104790-004-1045ND
2019-03-284790-029-1315ND
2019-03-284790-029-1315ND
2019-05-084790-013-0915ND
2019-05-084790-002-0816ND
2019-05-094790-006-1330ND
2019-10-024790-029-0140ND
2019-10-024790-029-0140ND