1,1,2,2-Tetrachloroethane

Brooklyn Center

1,1,2,2-Tetrachloroethane is an industrial chemical which has been used as a metal degreaser, and in paint, paint removers, mothballs and pesticides. It damages the liver and nervous system, and may cause cancer.

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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	ND	11	ND
2015	ND	1	ND
2016	ND	4	ND
2017	ND	2	ND
2018	ND	4	ND
2019	ND	5	ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 0.1 ppb

The EWG Health Guideline of 0.1 ppb for 1,1,2,2-tetrachloroethane 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 cancer.

ppb = parts per billion

All test results

Date	Lab ID	Result
2014-01-28	14A0771-02	ND
2014-01-28	14A0771-03	ND
2014-01-28	14A0771-04	ND
2014-01-28	14A0772-01	ND
2014-01-28	14A0772-02	ND
2014-01-28	14A0772-03	ND
2014-01-28	14A0772-04	ND
2014-01-28	14A0771-01	ND
2014-06-18	14F1404-04	ND
2014-09-16	14I0648-01	ND
2014-10-27	14J1411-01	ND
2015-02-09	15B0449-01	ND
2016-03-22	3418601	ND
2016-05-19	3453822	ND
2016-08-23	16H2329-01	ND
2016-12-01	16L0097-01	ND
2017-02-22	17B1184-01	ND
2017-11-17	17K0782-01	ND
2018-03-20	18C0777-01	ND
2018-05-10	18E0933-01	ND
2018-08-28	18H2338-01	ND
2018-12-10	18L0350-01	ND
2019-01-28	19A0888-01	ND
2019-04-17	19D1039-01	ND
2019-07-22	19G1532-01	ND
2019-07-22	19G1532-02	ND
2019-10-17	19J1047-01	ND