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EWG's Tap Water Database — 2021 UPDATE

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Dichlorodifluoromethane

St. George Fire District 1

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
2014ND40ND
2015ND40ND
2016ND20ND
2017ND10ND
2018ND10ND
2019N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2014-03-171403-04597-001ND
2014-06-111406-10952-001ND
2014-09-161409-19160-001ND
2014-12-18BH56691ND
2015-03-181503-04692-001ND
2015-06-221506-12183-001ND
2015-09-241509-20810-001ND
2015-12-081512-26141-001ND
2016-08-171608-18319-001ND
2016-11-091611-25836-001ND
2017-09-191709-22348-001ND
2018-09-171809-23821-001ND