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EWG's Tap Water Database — 2019 UPDATE

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Trichlorofluoromethane

Lehigh County Authority Allentown Division

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.

 

6

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20120.297 ppb31ND - 0.890 ppb
20130.327 ppb31ND - 0.980 ppb
2014N/A00N/A
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 Lab ID Result
2012-04-12L4002369-3ND
2012-04-12L4002369-10.890 ppb
2012-04-12L4002369-2ND
2013-02-07L4430705-3ND
2013-02-07L4430705-10.980 ppb
2013-02-07L4430705-2ND