1,1,1-Trichloroethane
Perkasie Regional 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.
41
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 | 7 | 0 | ND |
| 2019 | ND | 7 | 0 | ND |
| 2020 | ND | 6 | 0 | ND |
| 2021 | ND | 7 | 0 | ND |
| 2022 | ND | 7 | 0 | ND |
| 2023 | ND | 7 | 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 |
|---|---|---|
| 2018-03-06 | 8024485-02 | ND |
| 2018-06-04 | 8052857-02 | ND |
| 2018-09-04 | 8084662-02 | ND |
| 2018-09-17 | 8093548-01 | ND |
| 2018-09-17 | 8093548-03 | ND |
| 2018-09-17 | 8093548-02 | ND |
| 2018-12-03 | 8110453-02RE | ND |
| 2019-03-05 | 9023322-02 | ND |
| 2019-06-04 | 9053891-02 | ND |
| 2019-09-03 | 9084135-02 | ND |
| 2019-11-11 | 9111441-02 | ND |
| 2019-11-11 | 9111441-03 | ND |
| 2019-11-11 | 9111441-01 | ND |
| 2019-12-03 | 9113323-02 | ND |
| 2020-03-03 | 21828165.00 | ND |
| 2020-06-23 | 22393768.00 | ND |
| 2020-09-01 | 22778502.00 | ND |
| 2020-09-01 | 22778460.00 | ND |
| 2020-09-01 | 22778481.00 | ND |
| 2020-12-01 | 23344560.00 | ND |
| 2021-03-02 | 24041342.00 | ND |
| 2021-06-01 | 24619522.00 | ND |
| 2021-09-20 | 25201406.00 | ND |
| 2021-09-20 | 25201448.00 | ND |
| 2021-09-20 | 25201427.00 | ND |
| 2021-09-20 | 25201469.00 | ND |
| 2021-12-07 | 25746111.00 | ND |
| 2022-03-01 | 26270340.00 | ND |
| 2022-06-21 | 26824212.00 | ND |
| 2022-08-16 | 27213704.00 | ND |
| 2022-08-16 | 27213752.00 | ND |
| 2022-08-16 | 27213729.00 | ND |
| 2022-09-19 | 27420634.00 | ND |
| 2022-12-06 | 27980846.00 | ND |
| 2023-03-07 | 28503193.00 | ND |
| 2023-06-06 | 29088306.00 | ND |
| 2023-09-05 | 29681650.00 | ND |
| 2023-09-19 | 29681653.00 | ND |
| 2023-09-19 | 29681652.00 | ND |
| 2023-09-19 | 29681651.00 | ND |
| 2023-12-05 | 30228264.00 | ND |