Trichlorotrifluoroethane

City of Stockton

Trichlorotrifluoroethane (Freon 113) 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	Range of results
2014	ND	2	ND
2015	N/A	0	N/A
2016	ND	15	ND
2017	N/A	0	N/A
2018	N/A	0	N/A
2019	ND	12	ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 4,000 ppb

The EWG Health Guideline of 4,000 ppb for trichlorotrifluoroethane was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against harm to internal organs.

ppb = parts per billion

All test results

Date	Lab ID	Result
2014-06-04	5810-094-0900	ND
2014-11-18	5810-084-0940	ND
2016-08-17	5867-037-1100	ND
2016-08-17	5867-040-1130	ND
2016-08-17	5867-038-1030	ND
2016-08-18	5867-100-0940	ND
2016-08-18	5867-046-0830	ND
2016-08-18	5867-098-0900	ND
2016-08-18	5867-092-1020	ND
2016-08-24	5867-094-0930	ND
2016-08-24	5867-083-1100	ND
2016-08-24	5867-084-1015	ND
2016-08-24	5867-087-0830	ND
2016-08-25	5867-003-0927	ND
2016-08-25	5867-089-1030	ND
2016-08-25	5867-055-1101	ND
2016-09-07	5867-096-0840	ND
2019-08-06	1610-092-0910	ND
2019-08-06	1610-096-1000	ND
2019-08-06	1610-046-0840	ND
2019-08-06	1610-098-0800	ND
2019-08-13	1610-084-1010	ND
2019-08-13	1610-087-0750	ND
2019-08-13	1610-083-1105	ND
2019-08-13	1610-055-1050	ND
2019-08-13	1610-094-0930	ND
2019-08-13	1610-040-0910	ND
2019-08-13	1610-037-0810	ND
2019-08-13	1610-038-0845	ND