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EWG's Tap Water Database — 2021 UPDATE

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Dichlorodifluoromethane

City Of Gustine

Dichlorodifluoromethane (Freon-12) 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.

 

9

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND50ND
2015N/A00N/A
2016ND10ND
2017ND30ND
2018N/A00N/A
2019N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2014-01-095810-014-1235ND
2014-04-105810-014-1115ND
2014-10-085810-006-1015ND
2014-10-085810-007-0958ND
2014-10-085810-014-1030ND
2016-07-135810-005-1030ND
2017-10-115810-006-1010ND
2017-10-185810-014-1025ND
2017-10-255810-007-1015ND