1,1,1-Trichloroethane

City of Elko

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.

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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	4	ND
2015	ND	2	ND
2016	ND	14	ND
2017	ND	3	ND
2018	ND	2	ND
2019	ND	17	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
2014-05-07	A4E0883-01	ND
2014-07-21	A4G2269-01	ND
2014-07-23	1416770-01	ND
2014-07-23	1416779-01	ND
2015-05-19	A5E1802-01	ND
2015-08-24	1521530-01	ND
2016-03-23	A6C2465-01-VOC	ND
2016-03-23	A6C2467-01-VOC	ND
2016-03-23	A6C2464-01	ND
2016-05-02	A6E0437-01	ND
2016-05-02	A6E0431-01-VOC	ND
2016-06-01	A6F0364-01-VOC	ND
2016-06-01	A6F0362-01-VOC	ND
2016-06-01	A6F0363-01-VOC	ND
2016-06-20	A6F2386-01	ND
2016-06-20	A6F2388-01	ND
2016-06-20	A6F2387-01	ND
2016-06-21	A6F2667-01-VOC	ND
2016-06-28	A6F3151-01	ND
2016-07-20	1620227-01-VOC	ND
2017-07-25	1720763-01	ND
2017-07-25	1720764-01	ND
2017-07-26	1720765-01	ND
2018-08-07	18080447-02A	ND
2018-08-14	1826039-01	ND
2019-08-19	B19081921-001	ND
2019-08-19	B19081870-001	ND
2019-08-20	B19082034-001A	ND
2019-08-20	B19082032-001	ND
2019-08-21	B19082177-001	ND
2019-08-21	B19082173-001A	ND
2019-08-27	1929286-01	ND
2019-08-27	1929287-01	ND
2019-08-27	1929285-01	ND
2019-08-27	1929284-01	ND
2019-08-27	1929283-01	ND
2019-08-28	1929290-01	ND
2019-09-04	B19090361-001A	ND
2019-09-16	A9I2532-01	ND
2019-10-28	B19102498-001	ND
2019-10-28	A9J3184-01	ND
2019-12-09	A9L1484-01	ND