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EWG's Tap Water Database

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Trichlorofluoromethane

Calcasieu Parish WW District 9 Carlyss

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.

 

8

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2010N/A00N/A
2011ND20ND
2012N/A00N/A
2013N/A00N/A
2014ND20ND
2015N/A00N/A

ppb = parts per billion.

State and national drinking water standards and health guidelines

Health Guideline 1,300 ppb

The 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
2011-02-28AD51154ND
2011-02-28AD51154ND
2011-03-21AD51530ND
2011-03-21AD51530ND
2014-02-24AD89324ND
2014-02-24AD89324ND
2014-03-31AD90300ND
2014-03-31AD90300ND