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EWG's Tap Water Database — 2019 UPDATE

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Chlorodifluoromethane

Galveston County WCID 1

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.

 

12

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
2013N/A00N/A
2014ND120ND
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2014-01-30Q1402958001ND
2014-01-30Q1402958009ND
2014-01-30Q1402958005ND
2014-01-30Q1402958003ND
2014-01-30Q1402958007ND
2014-04-23Q1412817001ND
2014-07-30Q1432033009ND
2014-07-30Q1432033005ND
2014-07-30Q1432033003ND
2014-07-30Q1432033001ND
2014-07-30Q1432033007ND
2014-10-22Q1453353001ND