Know Your Environment. Protect Your Health.

Trichlorofluoromethane

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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.

 

14

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.850 ppb21ND - 1.70 ppb
20190.800 ppb21ND - 1.60 ppb
2020ND30ND
20210.700 ppb21ND - 1.40 ppb
20220.700 ppb21ND - 1.40 ppb
2023ND30ND

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 Lab ID Result
2018-01-29AJ78029ND
2018-01-29AJ780301.70 ppb
2019-02-04AK10435ND
2019-02-04AK104361.60 ppb
2020-01-27AK40284ND
2020-01-27AK40285ND
2020-01-27AK40286ND
2021-02-01AK68534ND
2021-02-01AK685351.40 ppb
2022-02-14AK95330ND
2022-02-14AK953311.40 ppb
2023-02-13AL25247ND
2023-02-13AL25248ND
2023-05-24AL32377ND