Know Your Environment. Protect Your Health.

Trichlorofluoromethane

Pepperell DPW Water Division

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.

 

39

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND60ND
2019ND60ND
2020ND60ND
2021ND80ND
2022ND60ND
2023ND70ND

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

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 Result
2018-04-02ND
2018-04-02ND
2018-04-02ND
2018-04-02ND
2018-04-02ND
2018-04-02ND
2019-05-06ND
2019-05-06ND
2019-05-06ND
2019-05-06ND
2019-05-06ND
2019-05-06ND
2020-06-02ND
2020-06-02ND
2020-06-02ND
2020-06-02ND
2020-06-02ND
2020-06-02ND
2021-05-12ND
2021-05-12ND
2021-05-12ND
2021-05-12ND
2021-05-12ND
2021-08-17ND
2021-08-17ND
2021-08-17ND
2022-04-19ND
2022-04-19ND
2022-04-19ND
2022-04-19ND
2022-04-19ND
2022-04-19ND
2023-04-04ND
2023-04-04ND
2023-04-04ND
2023-04-04ND
2023-04-04ND
2023-04-04ND
2023-05-03ND