1,1,1-Trichloroethane
City of Commerce
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.
12
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 | ND | 2 | 0 | ND |
| 2019 | ND | 2 | 0 | ND |
| 2020 | ND | 2 | 0 | ND |
| 2021 | ND | 2 | 0 | ND |
| 2022 | ND | 2 | 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 |
|---|---|---|
| 2018-02-14 | Q1806236001 | ND |
| 2018-06-04 | Q1822047005 | ND |
| 2019-02-21 | Q1907743003 | ND |
| 2019-02-21 | Q1907743004 | ND |
| 2020-05-07 | Q2018051005 | ND |
| 2020-08-04 | Q2030361001 | ND |
| 2021-01-27 | Q2102032003 | ND |
| 2021-01-27 | Q2102032005 | ND |
| 2022-02-10 | Q2204939002 | ND |
| 2022-10-26 | Q2232338003 | ND |
| 2023-02-15 | Q2306243003 | ND |
| 2023-02-15 | Q2306243005 | ND |