Chlorodifluoromethane

City of Watsonville

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	N/A	0	0	N/A
2015	0.00462 ppb	26	1	ND - 0.120 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	Lab ID	Result
2015-02-24	201502260393AM	ND
2015-02-24	201502260467AM	ND
2015-02-24	201502260481AM	ND
2015-02-24	201502260506AM	ND
2015-02-24	201502260508AM	ND
2015-02-24	201502260491AM	ND
2015-02-24	201502260483AM	ND
2015-02-24	201502260489AM	0.120 ppb
2015-02-24	201502260512AM	ND
2015-02-24	201502260465AM	ND
2015-02-24	201502260386AM	ND
2015-02-24	201502260395AM	ND
2015-02-24	201502260391AM	ND
2015-08-10	201503040655AM	ND
2015-08-10	201503040657AM	ND
2015-08-10	201503040656AM	ND
2015-08-10	201503040660AM	ND
2015-08-10	201503040652AM	ND
2015-08-10	201503040651AM	ND
2015-08-10	201503040653AM	ND
2015-08-10	201503040654AM	ND
2015-08-10	201503040662AM	ND
2015-08-10	201503040663AM	ND
2015-08-10	201503040659AM	ND
2015-08-10	201503040658AM	ND
2015-08-10	201503040661AM	ND