Chlorodifluoromethane

Parker WSD

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	0.0138 ppb	16	1	ND - 0.220 ppb
2014	N/A	0	0	N/A
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
2013-05-01	ND
2013-05-02	ND
2013-05-09	ND
2013-05-09	ND
2013-05-09	ND
2013-05-15	ND
2013-05-15	ND
2013-05-20	ND
2013-05-20	ND
2013-05-28	ND
2013-05-28	ND
2013-05-30	ND
2013-05-30	ND
2013-11-04	ND
2013-11-04	ND
2013-11-04	0.220 ppb