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EWG's Tap Water Database — 2021 UPDATE

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Trichlorotrifluoroethane

Monona Waterworks

Trichlorotrifluoroethane (Freon 113) 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.

 

17

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
2015ND30ND
2016ND50ND
2017ND50ND
2018ND20ND
2019ND20ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 4,000 ppb

The EWG Health Guideline of 4,000 ppb for trichlorotrifluoroethane 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
2015-07-14205376001ND
2015-07-14205378001ND
2015-11-17228870001ND
2016-02-01237611001ND
2016-04-06247252001ND
2016-07-07264567001ND
2016-09-28280796001ND
2016-10-20285154001ND
2017-03-30306799001ND
2017-04-13309656001ND
2017-04-13309654001ND
2017-04-13309655001ND
2017-09-22344258001ND
2018-07-11393604001ND
2018-09-25410134001ND
2019-04-24442084001ND
2019-09-05467810001ND