1,1,1-Trichloroethane
Seville Water Company
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.
7
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 |
|---|---|---|---|---|
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | N/A | 0 | 0 | N/A |
| 2020 | ND | 2 | 0 | ND |
| 2021 | ND | 2 | 0 | ND |
| 2022 | ND | 1 | 0 | ND |
| 2023 | ND | 2 | 0 | ND |
ppb = parts per billion
State, National, and Health Guidelines for Drinking Water
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 |
|---|---|---|
| 2020-08-19 | CA5400550_003_003-202008191250 | ND |
| 2020-08-19 | CA5400550_001_001-202008191245 | ND |
| 2021-07-14 | CA5400550_003_003-202107141310 | ND |
| 2021-08-23 | CA5400550_003_003-202108231505 | ND |
| 2022-08-09 | CA5400550_003_003-202208091410 | ND |
| 2023-08-14 | CA5400550_001_001-202308141010 | ND |
| 2023-08-14 | CA5400550_003_003-202308141020 | ND |