Know Your Environment. Protect Your Health.

Dichlorodifluoromethane

Colby Waterworks

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.

 

8

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.455 ppb220.310 ppb - 0.600 ppb
20190.310 ppb220.310 ppb
20200.390 ppb110.390 ppb
20210.380 ppb110.380 ppb
20220.580 ppb220.460 ppb - 0.700 ppb
2023N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2018-06-0410585480.600 ppb
2018-09-1110794950.310 ppb
2019-09-0911460720.310 ppb
2019-09-1811492950.310 ppb
2020-05-1911891920.390 ppb
2021-04-1312485560.380 ppb
2022-05-1013121450.460 ppb
2022-05-1013121410.700 ppb