1,1,1-Trichloroethane
City of Nogales
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.
14
Samples
0
Samples exceeding legal limit (MCL)
0
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2014 | ND | 1 | 0 | ND |
| 2015 | ND | 5 | 0 | ND |
| 2016 | ND | 1 | 0 | ND |
| 2017 | ND | 1 | 0 | ND |
| 2018 | ND | 6 | 0 | ND |
| 2019 | N/A | 0 | 0 | N/A |
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 |
|---|---|---|
| 2014-09-30 | 14I0764-01(4V) | ND |
| 2015-09-09 | 1510374-01(4V) | ND |
| 2015-09-09 | 1510374-02(4V) | ND |
| 2015-09-09 | 1510374-03(4V) | ND |
| 2015-09-09 | 1510374-05(4V) | ND |
| 2015-09-09 | 15I0374-06(4V) | ND |
| 2016-09-29 | 1610802-03(4V) | ND |
| 2017-08-15 | 17H0578-01(4V) | ND |
| 2018-08-14 | 18H0449-01(4V) | ND |
| 2018-08-14 | 18H0449-02(4V) | ND |
| 2018-08-14 | 18H0449-03(4V) | ND |
| 2018-08-14 | 18H0449-04(4V) | ND |
| 2018-08-14 | 18H0449-05(4V) | ND |
| 2018-08-14 | 18H0449-06(4V) | ND |