Menu

EWG's Tap Water Database — 2019 UPDATE

Donate

Trichlorofluoromethane

Los Angeles, City Of - Power Plant #2

Trichlorofluoromethane (Freon 11) 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.

 

21

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
2013N/A00N/A
2014N/A00N/A
2015ND80ND
2016ND80ND
2017ND50ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 1,300 ppb

The EWG Health Guideline of 1,300 ppb for trichlorofluoromethane was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against harm to internal organs.

ppb = parts per billion

All test results

Date Lab ID Result
2015-02-051200-002-1120ND
2015-02-051200-800-1145ND
2015-05-121200-002-1420ND
2015-05-121200-800-1320ND
2015-09-021200-002-1130ND
2015-09-021200-800-0930ND
2015-12-091200-800-1135ND
2015-12-091200-002-1105ND
2016-02-031200-002-1045ND
2016-02-031200-800-1130ND
2016-05-051200-002-1015ND
2016-05-051200-800-1050ND
2016-08-041200-800-0920ND
2016-10-061200-002-1130ND
2016-10-061200-800-0905ND
2016-11-081200-002-1045ND
2017-02-271200-800-1130ND
2017-05-221200-800-1215ND
2017-08-151200-002-1105ND
2017-08-151200-800-1210ND
2017-11-221200-800-1020ND