Know Your Environment. Protect Your Health.

Trichlorofluoromethane

Blaine

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.

 

28

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND60ND
2019ND20ND
2020ND10ND
2021ND40ND
2022ND40ND
2023ND110ND

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
2018-02-2818B1345-02ND
2018-02-2818B1345-01ND
2018-06-2218F1667-01ND
2018-07-1618G0768-01ND
2018-07-1618G0770-01ND
2018-10-2918J1451-01ND
2019-08-0119H0056-01ND
2019-10-3019J1701-01ND
2020-08-3120H2386-01ND
2021-02-0321B0180-01ND
2021-02-0321B0180-02ND
2021-10-2621J1368-01ND
2021-12-1721L0753-01ND
2022-02-1722B1198-01ND
2022-06-2122F1270-01ND
2022-09-2122I1864-01ND
2022-09-2122I1868-01ND
2023-03-1723C0874-01ND
2023-05-2323E2466-01ND
2023-08-1823H2091-01ND
2023-08-1823H2092-02ND
2023-08-1823H2092-03ND
2023-08-1823H2092-04ND
2023-08-1823H2092-05ND
2023-08-1823H2092-06ND
2023-09-1523I0865-01ND
2023-10-1323J0648-01ND
2023-10-1323J0648-02ND