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EWG's Tap Water Database — 2021 UPDATE

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Chlorodifluoromethane

East Valley Water District

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.

 

36

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND360ND
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2014-02-05B4B0490-03ND
2014-02-05B4B0490-01ND
2014-02-10B4B0801-03ND
2014-02-10B4B0801-01ND
2014-02-13B4B1374-03ND
2014-02-13B4B1374-05ND
2014-02-13B4B1374-01ND
2014-02-20B4B1932-09ND
2014-02-20B4B1932-11ND
2014-02-25B4B2210-01ND
2014-02-25B4B2210-03ND
2014-02-25B4B2210-07ND
2014-02-25B4B2210-05ND
2014-02-26B4B2332-01ND
2014-02-26B4B2332-05ND
2014-02-26B4B2332-03ND
2014-05-20B4E1846-01ND
2014-05-22B4E2247-01ND
2014-08-07B4H0656-05ND
2014-08-07B4H0656-03ND
2014-08-07B4H0656-01ND
2014-08-14B4H1446-11ND
2014-08-14B4H1446-01ND
2014-08-14B4H1446-05ND
2014-08-14B4H1446-09ND
2014-08-14B4H1446-03ND
2014-08-14B4H1446-07ND
2014-08-21B4H2206-07ND
2014-08-21B4H2206-05ND
2014-08-21B4H2206-03ND
2014-08-21B4H2206-01ND
2014-08-28B4H2879-03ND
2014-08-28B4H2879-01ND
2014-08-28B4H2879-05ND
2014-08-28B4H2879-07ND
2014-11-14B4K1386-01ND