Trichlorotrifluoroethane

City of Shafter

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
2013	N/A	0	N/A
2014	N/A	0	N/A
2015	ND	1	ND
2016	ND	6	ND
2017	ND	1	ND
2018	ND	6	ND
2019	ND	10	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
2015-12-10	5806-021-1030	ND
2016-02-23	5867-007-1225	ND
2016-02-23	5867-003-0920	ND
2016-02-23	5867-008-1130	ND
2016-02-23	5867-017-1055	ND
2016-04-05	5867-021-1355	ND
2016-11-01	5867-004-1120	ND
2017-01-24	5867-021-1110	ND
2018-03-28	5867-021-1335	ND
2018-04-24	5867-021-1115	ND
2018-07-13	5806-025-0900	ND
2018-07-24	5867-021-1015	ND
2018-10-23	5867-021-1140	ND
2018-11-08	5806-023-0810	ND
2019-01-23	5806-017-1020	ND
2019-01-23	5806-008-1055	ND
2019-01-23	5806-007-0945	ND
2019-01-23	5806-021-1130	ND
2019-01-23	5806-023-0850	ND
2019-02-26	5867-017-1215	ND
2019-02-26	5867-007-1110	ND
2019-04-23	5867-021-1225	ND
2019-06-25	5867-023-1410	ND
2019-09-16	5806-023-0800	ND