Chlorodifluoromethane

City of Tallahassee

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.

MORE ABOUT THIS CONTAMINANT

Samples

Samples exceeding legal limit (MCL)

Samples exceeding
health guidelines

Testing results - average by year

Year	Average result	Samples taken	Detections	Range of results
2014	0.0429 ppb	7	2	ND - 0.220 ppb
2015	0.0457 ppb	7	1	ND - 0.320 ppb
2016	N/A	0	0	N/A
2017	N/A	0	0	N/A
2018	N/A	0	0	N/A
2019	N/A	0	0	N/A

ppb = parts per billion

All test results

Date	Result
2014-10-15	ND
2014-10-15	0.220 ppb
2014-10-15	ND
2014-10-15	0.0800 ppb
2014-10-15	ND
2014-10-15	ND
2014-10-16	ND
2015-04-07	0.320 ppb
2015-04-07	ND
2015-04-07	ND
2015-04-08	ND
2015-04-08	ND
2015-04-08	ND
2015-04-08	ND