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EWG's Tap Water Database — 2019 UPDATE

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Chlorodifluoromethane

East Bay Municipal Utility 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.

 

19

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
2013ND40ND
2014ND130ND
2015ND20ND
2016N/A00N/A
2017N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2013-10-09B3J1229-01ND
2013-10-09B3J1229-04ND
2013-10-09B3J1229-10ND
2013-10-09B3J1229-07ND
2014-01-08B4A0937-05ND
2014-01-08B4A0937-08ND
2014-02-25B4B2486-01ND
2014-04-09B4D1270-07ND
2014-04-09B4D1270-01ND
2014-04-09B4D1270-10ND
2014-04-09B4D1270-04ND
2014-04-29B4E0018-01ND
2014-07-09B4G1285-01ND
2014-07-09B4G1269-01ND
2014-07-09B4G1282-01ND
2014-07-09B4G1278-01ND
2014-10-09B4J1130-01ND
2015-01-07B5A0784-01ND
2015-11-18B5K2033-01ND