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EWG's Tap Water Database — 2021 UPDATE

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Chlorodifluoromethane

Acton MUD

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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34

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND330ND
2015ND10ND
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2014-06-24Q1423165021ND
2014-06-24Q1423165009ND
2014-06-24Q1423165005ND
2014-06-24Q1423165007ND
2014-06-24Q1423165019ND
2014-06-24Q1423165013ND
2014-06-24Q1423165011ND
2014-06-24Q1423165025ND
2014-06-24Q1423165023ND
2014-06-24Q1423165029ND
2014-06-24Q1423165027ND
2014-06-24Q1423165015ND
2014-06-24Q1423165001ND
2014-06-24Q1423165017ND
2014-06-24Q1423165003ND
2014-09-24Q1447340001ND
2014-09-24Q1447340005ND
2014-12-08Q1458812021ND
2014-12-08Q1458812017ND
2014-12-08Q1458812025ND
2014-12-08Q1458812023ND
2014-12-08Q1458812019ND
2014-12-08Q1458812005ND
2014-12-08Q1458812011ND
2014-12-08Q1458812009ND
2014-12-08Q1458812015ND
2014-12-08Q1458812013ND
2014-12-08Q1458812029ND
2014-12-08Q1458812027ND
2014-12-08Q1458812031ND
2014-12-08Q1458812001ND
2014-12-08Q1458812007ND
2014-12-08Q1458812003ND
2015-03-17Q1509744001ND