Know Your Environment. Protect Your Health.

Dichlorodifluoromethane

Pierce, City of

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.

 

7

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019N/A00N/A
2020ND20ND
2021ND10ND
2022ND10ND
2023ND20ND

ppb = parts per billion

All test results

Date Lab ID Result
2018-06-19541776ND
2020-12-01703338ND
2020-12-01703337ND
2021-06-14729276ND
2022-10-03829488ND
2023-12-04891621ND
2023-12-04891620ND