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EWG's Tap Water Database — 2021 UPDATE

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Trichlorofluoromethane

Sky Harbour Water Supply Corporation

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.

 

13

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND20ND
2015ND30ND
2016ND20ND
2017ND20ND
2018ND20ND
2019ND20ND

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
2014-09-25Q1448142003ND
2014-09-25Q1448142004ND
2015-03-03Q1507985010ND
2015-03-03Q1507985013ND
2015-06-23Q1523545004ND
2016-11-14Q1649173002ND
2016-11-14Q1649173003ND
2017-12-14Q1766131001ND
2017-12-14Q1766131004ND
2018-10-15Q1840817001ND
2018-10-15Q1840817004ND
2019-05-13Q1923815001ND
2019-05-13Q1923815003ND