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EWG's Tap Water Database — 2021 UPDATE

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Dichlorodifluoromethane

Tahoe Keys Water Company

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.

 

12

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND20ND
2015ND20ND
2016N/A00N/A
2017ND80ND
2018N/A00N/A
2019N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2014-01-292326-001-0900ND
2014-01-292326-003-0940ND
2015-06-099590-001-1050ND
2015-06-099590-003-1105ND
2017-04-189590-002-0910ND
2017-04-189590-002-0920ND
2017-04-189590-002-0930ND
2017-08-109590-001-1000ND
2017-08-109590-002-0900ND
2017-08-102326-003-1000ND
2017-08-109590-003-1000ND
2017-09-129590-001-0900ND