1,1,1-Trichloroethane
Paw Penn District
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.
56
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 | 8 | 0 | ND |
| 2019 | ND | 10 | 0 | ND |
| 2020 | ND | 11 | 0 | ND |
| 2021 | ND | 8 | 0 | ND |
| 2022 | ND | 8 | 0 | ND |
| 2023 | ND | 11 | 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 |
|---|---|---|
| 2018-01-11 | 38161501 | ND |
| 2018-01-11 | 38161101 | ND |
| 2018-01-11 | 38161401 | ND |
| 2018-01-11 | 38161301 | ND |
| 2018-01-11 | 38161201 | ND |
| 2018-04-11 | 39072601 | ND |
| 2018-07-16 | 40207301 | ND |
| 2018-10-17 | 41961701 | ND |
| 2019-01-09 | 42499201 | ND |
| 2019-01-09 | 42499601 | ND |
| 2019-01-09 | 42499501 | ND |
| 2019-01-09 | 42499401 | ND |
| 2019-01-09 | 42499301 | ND |
| 2019-04-01 | 43658101 | ND |
| 2019-07-08 | 45016101 | ND |
| 2019-07-15 | 45716201 | ND |
| 2019-10-07 | 46831501 | ND |
| 2019-10-31 | 43999801 | ND |
| 2020-01-06 | 21542692.00 | ND |
| 2020-01-06 | 21542540.00 | ND |
| 2020-01-06 | 21542650.00 | ND |
| 2020-01-06 | 21542608.00 | ND |
| 2020-01-06 | 21542629.00 | ND |
| 2020-01-06 | 21542561.00 | ND |
| 2020-01-06 | 21542582.00 | ND |
| 2020-01-15 | 21542671.00 | ND |
| 2020-05-06 | 22261497.00 | ND |
| 2020-08-17 | 22843894.00 | ND |
| 2020-10-08 | 23224115.00 | ND |
| 2021-01-14 | 23754063.00 | ND |
| 2021-01-14 | 23754042.00 | ND |
| 2021-01-14 | 23754105.00 | ND |
| 2021-01-14 | 23754084.00 | ND |
| 2021-04-14 | 24290663.00 | ND |
| 2021-04-21 | 24290992.00 | ND |
| 2021-07-01 | 24873775.00 | ND |
| 2021-10-06 | 25448162.00 | ND |
| 2022-01-05 | 25982957.00 | ND |
| 2022-01-05 | 25982907.00 | ND |
| 2022-01-05 | 25982913.00 | ND |
| 2022-01-05 | 25982936.00 | ND |
| 2022-01-05 | 25982888.00 | ND |
| 2022-04-06 | 26506762.00 | ND |
| 2022-07-05 | 27082966.00 | ND |
| 2022-10-06 | 27684633.00 | ND |
| 2023-01-05 | 28212794.00 | ND |
| 2023-01-05 | 28212872.00 | ND |
| 2023-01-05 | 28212851.00 | ND |
| 2023-01-05 | 28212825.00 | ND |
| 2023-01-05 | 28212846.00 | ND |
| 2023-01-05 | 28212779.00 | ND |
| 2023-01-05 | 28212896.00 | ND |
| 2023-04-13 | 28749290.00 | ND |
| 2023-06-07 | 29155743.00 | ND |
| 2023-07-20 | 29346681.00 | ND |
| 2023-10-12 | 29928181.00 | ND |