1,1,1-Trichloroethane
Lower Rio Grande Public Water Works Authority
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.
17
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 | 8 | 0 | ND |
2015 | ND | 1 | 0 | ND |
2016 | ND | 1 | 0 | ND |
2017 | ND | 7 | 0 | ND |
2018 | N/A | 0 | 0 | N/A |
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 |
---|---|---|
2014-02-25 | 1402B04-001A | ND |
2014-02-25 | 1402A91-001A | ND |
2014-02-25 | 1402A95-001A | ND |
2014-02-25 | 1402A93-001A | ND |
2014-02-25 | 1402A94-001A | ND |
2014-02-25 | 1402A96-001A | ND |
2014-03-05 | 1403671-001A | ND |
2014-10-16 | 1410856-001A | ND |
2015-11-12 | 1511655-001A | ND |
2016-03-10 | 1603914-001A | ND |
2017-09-13 | 1709759-001 | ND |
2017-09-13 | 1709758-001 | ND |
2017-09-13 | 1709757-001 | ND |
2017-09-13 | 1709756-001 | ND |
2017-09-13 | 1709777-001 | ND |
2017-09-13 | 1709755-001 | ND |
2017-09-13 | 1709754-001 | ND |