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EWG's Tap Water Database — 2021 UPDATE

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Trichlorofluoromethane

Ozark Utilities Board

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.

 

54

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND100ND
2015ND70ND
2016ND140ND
2017ND40ND
2018ND20ND
2019ND170ND

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
2014-02-18AA88517ND
2014-02-20AA88516ND
2014-04-17AA89210ND
2014-04-17AA89209ND
2014-06-17AA90103ND
2014-06-17AA90104ND
2014-08-04AA90909ND
2014-08-06AA90910ND
2014-11-06AA92639ND
2014-11-06AA92638ND
2015-03-04AB02431ND
2015-03-04AB02430ND
2015-03-04AB02429ND
2015-06-02AB04709ND
2015-06-02AB04710ND
2015-08-19AB07042ND
2015-08-19AB07043ND
2016-02-18AB10065ND
2016-02-18AB10062ND
2016-02-18AB10070ND
2016-02-18AB10064ND
2016-02-18AB10066ND
2016-02-18AB10069ND
2016-02-18AB10068ND
2016-06-13AB12402ND
2016-06-13AB12403ND
2016-06-13AB12397ND
2016-06-13AB12401ND
2016-06-13AB12399ND
2016-06-13AB12398ND
2016-06-13AB12400ND
2017-05-24AB19648ND
2017-05-24AB19649ND
2017-05-24AB19647ND
2017-05-24AB19646ND
2018-06-13AB27748ND
2018-06-13AB27747ND
2019-02-07AB32890ND
2019-02-07AB32889ND
2019-02-07AB32888ND
2019-02-07AB32894ND
2019-02-07AB32893ND
2019-02-07AB32891ND
2019-02-07AB32892ND
2019-06-19AB36113ND
2019-06-19AB36114ND
2019-06-19AB36116ND
2019-06-19AB36115ND
2019-06-19AB36117ND
2019-06-19AB36112ND
2019-11-21AB40304ND
2019-11-21AB40305ND
2019-11-21AB40307ND
2019-11-21AB40306ND