1,1,1-Trichloroethane
Golden State Water Company - Lake Marie
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.
8
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 | 2 | 0 | ND |
| 2015 | ND | 3 | 0 | ND |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | ND | 3 | 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 |
|---|---|---|
| 2014-06-11 | 2706-006-1035 | ND |
| 2014-10-01 | 2706-008-1020 | ND |
| 2015-01-07 | 2706-003-0805 | ND |
| 2015-01-21 | 2706-008-0950 | ND |
| 2015-06-24 | 2706-008-0955 | ND |
| 2018-01-30 | 9590-006-0925 | ND |
| 2018-01-30 | 9590-008-0855 | ND |
| 2018-02-13 | 9590-008-0850 | ND |