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EWG's Tap Water Database — 2019 UPDATE

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Trichlorofluoromethane

Sandy City Water System

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.

 

21

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND100ND
2013ND10ND
2014ND100ND
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A

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 Result
2012-06-15ND
2012-06-15ND
2012-08-02ND
2012-08-03ND
2012-08-07ND
2012-08-08ND
2012-08-09ND
2012-08-28ND
2012-10-25ND
2012-11-27ND
2013-06-18ND
2014-02-20ND
2014-05-29ND
2014-05-29ND
2014-05-29ND
2014-05-29ND
2014-05-30ND
2014-05-30ND
2014-06-05ND
2014-06-06ND
2014-07-21ND