Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

Dichlorodifluoromethane

Park WC - Compton

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

 

21

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND40ND
2015ND10ND
2016ND30ND
2017ND30ND
2018ND10ND
2019ND90ND

ppb = parts per billion

All test results

Date Lab ID Result
2014-01-169588-016-1400ND
2014-04-179588-016-0820ND
2014-07-109588-016-1000ND
2014-08-289588-016-0945ND
2015-07-169588-016-0925ND
2016-07-149588-016-1008ND
2016-07-289588-016-0920ND
2016-12-159588-016-1100ND
2017-01-129588-016-1201ND
2017-11-309588-016-1201ND
2017-11-309588-016-1201ND
2018-02-019588-016-1205ND
2019-02-139588-016-1130ND
2019-02-139588-016-1130ND
2019-05-159588-016-1123ND
2019-07-309588-018-1030ND
2019-07-309588-018-1030ND
2019-08-139588-016-1215ND
2019-08-139588-016-1230ND
2019-10-239588-018-1045ND
2019-11-129588-016-1430ND