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EWG's Tap Water Database — 2021 UPDATE

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Trichlorofluoromethane

Los Angeles, City Of - Power Plant #1

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.

 

31

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014N/A00N/A
2015ND80ND
2016ND80ND
2017ND50ND
2018ND50ND
2019ND50ND

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
2015-02-051200-002-1005ND
2015-02-051200-800-1040ND
2015-05-121200-002-1230ND
2015-05-121200-800-1110ND
2015-09-021200-002-1100ND
2015-09-021200-800-1300ND
2015-12-091200-002-0940ND
2015-12-091200-800-1010ND
2016-02-031200-800-0900ND
2016-02-031200-002-0955ND
2016-05-051200-002-0845ND
2016-05-051200-800-0920ND
2016-08-041200-800-1010ND
2016-10-061200-002-1040ND
2016-10-061200-800-0830ND
2016-11-081200-002-0930ND
2017-02-271200-800-1100ND
2017-05-221200-800-1040ND
2017-08-151200-002-1315ND
2017-08-151200-800-1330ND
2017-11-221200-800-0947ND
2018-02-201200-800-0901ND
2018-05-211200-800-1033ND
2018-08-211200-002-1105ND
2018-08-211200-800-1205ND
2018-12-171200-800-1235ND
2019-02-061200-800-1039ND
2019-05-061200-800-0951ND
2019-08-051200-002-0958ND
2019-08-051200-800-1047ND
2019-11-041200-800-1133ND