Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

Chlorodifluoromethane

California Water Service - Livermore

Chlorodifluoromethane (Freon 22) 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.

 

18

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20140.0264 ppb112ND - 0.150 ppb
2015ND60ND
2016ND10ND
2017N/A00N/A
2018N/A00N/A
2019N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2014-01-16201401170417AMND
2014-04-09201404100776AMND
2014-04-09201404100750AMND
2014-04-16201404220190AM0.150 ppb
2014-04-16201404220198AMND
2014-04-23201404240616AMND
2014-05-07201405080516AMND
2014-07-22201407250232AMND
2014-07-22201407250139AMND
2014-10-16201410170104AMND
2014-11-24201411250338AM0.140 ppb
2015-01-13201501140678AMND
2015-02-18201502190939AMND
2015-02-18201502191035AMND
2015-03-25201503260897AMND
2015-04-21201504220608AMND
2015-12-15201512160548AMND
2016-01-18201601190225AMND