1,1,1,2-Tetrachloroethane
City of Lindsay
1,1,1,2-Tetrachloroethane is a synthetic chemical used in metal degreasing and as an intermediate in industrial chemical production.
15
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 | 2 | 0 | ND |
| 2019 | ND | 2 | 0 | ND |
| 2020 | ND | 3 | 0 | ND |
| 2021 | ND | 2 | 0 | ND |
| 2022 | ND | 4 | 0 | ND |
| 2023 | ND | 2 | 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 |
|---|---|---|
| 2018-03-28 | Q1813006003 | ND |
| 2018-03-28 | Q1813006005 | ND |
| 2019-04-30 | Q1917197004 | ND |
| 2019-04-30 | Q1917197007 | ND |
| 2020-03-18 | Q2011975001 | ND |
| 2020-05-13 | Q2019337001 | ND |
| 2020-05-13 | Q2019337003 | ND |
| 2021-06-28 | Q2116777005 | ND |
| 2021-06-28 | Q2116777007 | ND |
| 2022-06-08 | Q2216065006 | ND |
| 2022-06-08 | Q2216065008 | ND |
| 2022-08-23 | Q2224972001 | ND |
| 2022-11-01 | Q2233010001 | ND |
| 2023-07-25 | Q2329497001 | ND |
| 2023-07-25 | Q2329497003 | ND |