Chlorodifluoromethane

City of Zephyrhills

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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Samples

Samples exceeding legal limit (MCL)

Samples exceeding
health guidelines

Testing results - average by year

Year	Average result	Samples taken	Detections	Range of results
2013	ND	6	0	ND
2014	1.48 ppb	8	4	ND - 5.00 ppb
2015	N/A	0	0	N/A
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
2013-10-21	ND
2013-10-21	ND
2013-10-21	ND
2013-10-21	ND
2013-10-21	ND
2013-10-21	ND
2014-04-04	ND
2014-04-04	ND
2014-04-04	5.00 ppb
2014-04-04	3.20 ppb
2014-04-04	1.10 ppb
2014-04-04	ND
2014-04-04	2.50 ppb
2014-04-04	ND