1,1,1-Trichloroethane
Harris County MUD 200 Cranbrook
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.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2014 | ND | 3 | 0 | ND |
2015 | ND | 3 | 0 | ND |
2016 | ND | 3 | 0 | ND |
2017 | ND | 3 | 0 | ND |
2018 | ND | 3 | 0 | ND |
2019 | ND | 3 | 0 | 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 |
---|---|---|
2014-05-30 | AC55683 | ND |
2014-05-30 | AC55681 | ND |
2014-07-24 | AC60877 | ND |
2015-01-22 | AC77359 | ND |
2015-01-22 | AC77365 | ND |
2015-01-22 | AC77363 | ND |
2016-02-11 | AD23399 | ND |
2016-02-11 | AD23397 | ND |
2016-02-11 | AD23409 | ND |
2017-02-09 | AD69990 | ND |
2017-02-09 | AD69944 | ND |
2017-02-09 | AD69988 | ND |
2018-02-14 | AE14119 | ND |
2018-08-20 | AE37625 | ND |
2018-08-20 | AE37619 | ND |
2019-02-04 | AE52714 | ND |
2019-02-04 | AE52702 | ND |
2019-02-04 | AE52696 | ND |