1,1,1-Trichloroethane
Lake Conroe Forest Subdivision
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.
11
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 | 2 | 0 | ND |
2016 | ND | 2 | 0 | ND |
2017 | ND | 2 | 0 | ND |
2018 | ND | 2 | 0 | ND |
2019 | ND | 2 | 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 |
---|---|---|
2014-08-07 | AC62534 | ND |
2015-08-04 | AD02341 | ND |
2015-08-04 | AD02339 | ND |
2016-12-12 | AD61684 | ND |
2016-12-12 | AD61690 | ND |
2017-07-27 | AD91126 | ND |
2017-07-27 | AD91122 | ND |
2018-05-23 | AE27500 | ND |
2018-05-23 | AE27498 | ND |
2019-07-18 | AE75047 | ND |
2019-07-18 | AE75055 | ND |