1,1,1-Trichloroethane
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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.
24
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 | 4 | 0 | ND |
| 2019 | ND | 4 | 0 | ND |
| 2020 | ND | 4 | 0 | ND |
| 2021 | ND | 4 | 0 | ND |
| 2022 | ND | 4 | 0 | ND |
| 2023 | ND | 4 | 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 |
|---|---|---|
| 2018-02-28 | 2299258001 | ND |
| 2018-04-04 | 1808553-01 | ND |
| 2018-09-19 | 8028476-01 | ND |
| 2018-10-01 | 2342083001 | ND |
| 2019-02-20 | 9023911-01 | ND |
| 2019-06-19 | 9064195-01 | ND |
| 2019-08-06 | 9083192-01 | ND |
| 2019-10-16 | 3064279001 | ND |
| 2020-02-24 | 21661911.00 | ND |
| 2020-04-01 | 21841337.00 | ND |
| 2020-07-15 | 22601868.00 | ND |
| 2020-12-23 | 23531963.00 | ND |
| 2021-01-21 | 23707018.00 | ND |
| 2021-04-08 | 24054516.00 | ND |
| 2021-07-20 | 24822891.00 | ND |
| 2021-10-15 | 25399209.00 | ND |
| 2022-01-21 | 25936807.00 | ND |
| 2022-04-15 | 26458551.00 | ND |
| 2022-07-15 | 27031509.00 | ND |
| 2022-10-28 | 27636340.00 | ND |
| 2023-01-27 | 28344317.00 | ND |
| 2023-04-21 | 28696425.00 | ND |
| 2023-07-21 | 29296496.00 | ND |
| 2023-10-20 | 29881311.00 | ND |