1,1,1-Trichloroethane

City of Avondale

1,1,1-Trichloroethane is a solvent and a degreasing agent used for manufacturing metal products and as ingredient in cleaners and aerosols. Exposure to 1,1,1-trichloroethane can harm the nervous system, liver and circulatory system.

MORE ABOUT THIS CONTAMINANT

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	19	ND
2015	ND	1	ND
2016	ND	6	ND
2017	ND	1	ND
2018	ND	1	ND
2019	ND	6	ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EPA Maximum Contaminant
Level (MCL) 200 ppb

The legal limit for 1,1,1-trichloroethane, established in 1987, was based on toxicity studies conducted in laboratory animals in the 1970s and 1980s.

ppb = parts per billion

All test results

Date	Lab ID	Result
2014-01-27	4012115-01V	ND
2014-01-27	4012114-01V	ND
2014-01-27	4012114-01	ND
2014-01-28	4012237-01V	ND
2014-01-28	4012236-01V	ND
2014-01-29	4012322-01	ND
2014-02-13	4021148-01V	ND
2014-05-20	4051823-01V	ND
2014-05-20	4051717-01V	ND
2014-05-20	4051718-01V	ND
2014-05-20	4051822-01	ND
2014-05-22	4052004-01V	ND
2014-05-22	4052002-01V	ND
2014-08-06	4080590-01V	ND
2014-08-06	4080578-01V	ND
2014-08-07	4080711-01V	ND
2014-08-07	4080712-01V	ND
2014-08-07	4080710-01	ND
2014-08-07	4080708-01	ND
2015-12-03	5120427-01	ND
2016-08-16	6081529-02V	ND
2016-08-16	6081529-01V	ND
2016-08-16	6081529-03V	ND
2016-08-16	6081529-04V	ND
2016-08-16	6081529-05V	ND
2016-08-16	6081529-06V	ND
2017-02-09	7020939-02	ND
2018-04-23	18D2315-01	ND
2019-02-07	19B0770-02	ND
2019-06-26	19F2790-01	ND
2019-06-26	19F2790-05	ND
2019-06-26	19F2790-04	ND
2019-06-26	19F2790-03	ND
2019-06-26	19F2790-02	ND