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EWG's Tap Water Database — 2021 UPDATE

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Trichlorofluoromethane

Portage

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
2013N/A00N/A
2014N/A00N/A
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018ND110ND
2019N/A00N/A

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
2018-05-22LLH81760ND
2018-05-22LLH81761ND
2018-05-22LLH81762ND
2018-05-22LLH81759ND
2018-05-22LLH81758ND
2018-05-22LLH81756ND
2018-05-22LLH81757ND
2018-06-25LLH88663ND
2018-06-25LLH88664ND
2018-08-22LLI00614ND
2018-09-20LLI06939ND