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EWG's Tap Water Database — 2019 UPDATE

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Chlorodifluoromethane

City of Kerrville

Chlorodifluoromethane (Freon 22) 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.

 

14

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012N/A00N/A
2013ND70ND
2014ND70ND
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2013-08-2635106170009AMND
2013-08-2635106170001AMND
2013-08-2635106170005AMND
2013-08-2735106349001AMND
2013-08-2735106349005AMND
2013-08-2735106349009AMND
2013-11-1335115870001AMND
2014-02-1835127285005AMND
2014-02-1835127285001AMND
2014-02-1835127285009AMND
2014-02-1935127269005AMND
2014-02-1935127269001AMND
2014-02-1935127269009AMND
2014-05-2035139241001AMND