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EWG's Tap Water Database — 2021 UPDATE

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Trichlorofluoromethane

Elysian Fields Water Supply Corporation

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.

 

11

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND10ND
2015ND20ND
2016ND20ND
2017ND20ND
2018ND20ND
2019ND20ND

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
2014-07-09Q1426904006ND
2015-07-06Q1525243006ND
2015-07-06Q1525243007ND
2016-10-25Q1645359002ND
2016-11-14Q1649299002ND
2017-09-07Q1742201002ND
2017-12-11Q1764920003ND
2018-08-02Q1830802001ND
2018-08-02Q1830802004ND
2019-05-22Q1927730001ND
2019-05-22Q1927730003ND