Menu

EWG's Tap Water Database — 2019 UPDATE

Donate

Chlorodifluoromethane

City of Chino Hills

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.

 

10

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012N/A00N/A
2013ND80ND
2014ND20ND
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2013-06-18B3F1931-05ND
2013-06-18B3F1931-03ND
2013-06-18B3F1931-01ND
2013-09-24B3I2250-07ND
2013-09-24B3I2250-05ND
2013-12-16B3L1445-05ND
2013-12-16B3L1445-01ND
2013-12-16B3L1445-03ND
2014-03-13B4C1347-01ND
2014-03-13B4C1347-03ND