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EWG's Tap Water Database — 2021 UPDATE

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Chlorodifluoromethane

Town of Hempstead Water Department

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.

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30

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20140.0745 ppb293ND - 1.000 ppb
2015ND10ND
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2014-06-1105302 062014ND
2014-06-1112560 062014ND
2014-06-1109521 062014ND
2014-06-1205322 062014ND
2014-06-1208321 062014ND
2014-06-1207797 062014ND
2014-06-1808279 062014ND
2014-06-3005318 062014ND
2014-06-3005304 062014ND
2014-07-3008956 072014ND
2014-07-3008474 0720140.900 ppb
2014-07-3007957 072014ND
2014-07-3009846 072014ND
2014-07-3004756 072014ND
2014-07-3003456 072014ND
2014-12-0808956 122014ND
2014-12-0804756 122014ND
2014-12-0805302 122014ND
2014-12-0905322 122014ND
2014-12-0905318 122014ND
2014-12-0907797 122014ND
2014-12-1005304 122014ND
2014-12-1008279 122014ND
2014-12-1008474 1220141.000 ppb
2014-12-1003456 122014ND
2014-12-1112560 122014ND
2014-12-1109521 1220140.260 ppb
2014-12-2208321 122014ND
2014-12-2209846 122014ND
2015-07-2707957 52015ND