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EWG's Tap Water Database — 2021 UPDATE

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Chlorodifluoromethane

City of La Porte

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.

 

16

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014N/A00N/A
2015ND160ND
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2015-02-24Q1507111007ND
2015-02-24Q1507111003ND
2015-02-24Q1507111005ND
2015-02-24Q1507111009ND
2015-02-24Q1507111011ND
2015-02-24Q1507111001ND
2015-02-24Q1507111013ND
2015-05-19Q1518293001ND
2015-09-02Q1533768005ND
2015-09-02Q1533768007ND
2015-09-02Q1533768003ND
2015-09-02Q1533768001ND
2015-09-02Q1533768009ND
2015-09-02Q1533768013ND
2015-09-02Q1533768011ND
2015-11-17Q1545123001ND