1,1,1,2-Tetrachloroethane
Liberty City Water Supply Corporation
1,1,1,2-Tetrachloroethane is a synthetic chemical used in metal degreasing and as an intermediate in industrial chemical production.
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
EWG Health Guideline: 1 ppb
The EWG Health Guideline of 1 ppb for 1,1,1,2-tetrachloroethane was defined by the Environmental Protection Agency as a one-in-a-million lifetime risk of cancer. Values greater than one-in-a-million cancer risk level can result in increased cancer cases above one in a million people.
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2018-06-14 | Q1823909009 | ND |
| 2018-06-14 | Q1823909010 | ND |
| 2018-06-14 | Q1823909012 | ND |
| 2018-06-14 | Q1823909006 | ND |
| 2019-03-28 | Q1912649008 | ND |
| 2019-03-28 | Q1912649009 | ND |
| 2019-03-28 | Q1912649012 | ND |
| 2019-03-28 | Q1912649013 | ND |
| 2020-10-13 | Q2039989007 | ND |
| 2020-10-13 | Q2039989009 | ND |
| 2020-10-13 | Q2039989011 | ND |
| 2020-10-13 | Q2039989030 | ND |
| 2021-06-24 | Q2116619002 | ND |
| 2021-11-19 | Q2132571004 | ND |
| 2021-11-19 | Q2132571006 | ND |
| 2021-11-19 | Q2132571008 | ND |
| 2022-03-28 | Q2209608003 | ND |
| 2022-10-24 | Q2231971001 | ND |
| 2022-10-24 | Q2231971003 | ND |
| 2022-10-24 | Q2231971005 | ND |
| 2023-02-16 | Q2306532003 | ND |
| 2023-06-14 | Q2322655004 | ND |
| 2023-06-14 | Q2322655006 | ND |
| 2023-06-14 | Q2322655018 | ND |