Know Your Environment. Protect Your Health.

Trichlorofluoromethane

City of Alpine

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.

 

24

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND40ND
2019ND40ND
2020ND40ND
2021ND40ND
2022ND40ND
2023ND40ND

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
2018-07-17Q1828669004ND
2018-07-17Q1828669005ND
2018-07-17Q1828669008ND
2018-07-17Q1828669002ND
2019-06-18Q1937877001ND
2019-06-18Q1937877006ND
2019-06-18Q1937877008ND
2019-06-18Q1937877010ND
2020-06-01Q2021525017ND
2020-06-01Q2021525019ND
2020-06-01Q2021525021ND
2020-06-01Q2021525023ND
2021-07-13Q2118334003ND
2021-07-13Q2118334009ND
2021-07-13Q2118334007ND
2021-07-13Q2118334005ND
2022-09-19Q2228089003ND
2022-09-19Q2228089005ND
2022-09-19Q2228089007ND
2022-09-19Q2228089009ND
2023-07-24Q2329551005ND
2023-07-24Q2329551007ND
2023-07-24Q2329551010ND
2023-07-24Q2329551012ND