1,1,1-Trichloroethane
Mcconnellsburg Borough Municipal Authority
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 | 0.700 ppb | 4 | 2 | ND - 1.70 ppb |
| 2019 | 0.575 ppb | 4 | 2 | ND - 1.70 ppb |
| 2020 | 0.928 ppb | 4 | 2 | ND - 2.19 ppb |
| 2021 | 0.873 ppb | 4 | 2 | ND - 2.05 ppb |
| 2022 | 0.633 ppb | 4 | 2 | ND - 1.48 ppb |
| 2023 | 0.775 ppb | 4 | 2 | ND - 1.60 ppb |
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 |
|---|---|---|
| 2018-03-28 | (102) HORTON | ND |
| 2018-10-17 | (101) RESERV | ND |
| 2018-10-17 | (104) SECRES | 1.10 ppb |
| 2018-10-17 | (105) SECRES | 1.70 ppb |
| 2019-07-17 | (102) HORTON | ND |
| 2019-07-17 | (104) SECRES | 0.600 ppb |
| 2019-07-17 | (105) SECRES | 1.70 ppb |
| 2019-07-17 | (101) RESERV | ND |
| 2020-06-17 | 22495006.00 | 1.52 ppb |
| 2020-06-17 | 22495005.00 | ND |
| 2020-06-17 | 22495004.00 | ND |
| 2020-07-22 | 22685949.00 | 2.19 ppb |
| 2021-07-07 | 24907865.00 | ND |
| 2021-07-07 | 24907864.00 | ND |
| 2021-07-07 | 24907866.00 | 1.44 ppb |
| 2021-07-07 | 24907867.00 | 2.05 ppb |
| 2022-06-06 | 26923301.00 | ND |
| 2022-06-06 | 26923302.00 | 1.05 ppb |
| 2022-06-06 | 26923300.00 | ND |
| 2022-06-06 | 26923303.00 | 1.48 ppb |
| 2023-06-15 | 29190966.00 | ND |
| 2023-06-15 | 29190987.00 | 1.50 ppb |
| 2023-06-15 | 29191095.00 | ND |
| 2023-08-16 | 29582860.00 | 1.60 ppb |