1,1,1,2-Tetrachloroethane
Hynes Estates Mutual Water Company
1,1,1,2-Tetrachloroethane is a synthetic chemical used in metal degreasing and as an intermediate in industrial chemical production.
42
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 | 8 | 0 | ND |
| 2020 | ND | 7 | 0 | ND |
| 2021 | ND | 8 | 0 | ND |
| 2022 | ND | 8 | 0 | ND |
| 2023 | ND | 7 | 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 |
|---|---|---|
| 2018-01-04 | CA3000519_001_001-201801040900 | ND |
| 2018-04-16 | CA3000519_001_001-201804161115 | ND |
| 2018-07-03 | CA3000519_001_001-201807030935 | ND |
| 2018-10-09 | CA3000519_001_001-201810091015 | ND |
| 2019-01-08 | CA3000519_001_001-201901081130 | ND |
| 2019-04-01 | CA3000519_001_001-201904010840 | ND |
| 2019-07-01 | CA3000519_001_001-201907011000 | ND |
| 2019-07-10 | CA3000519_005_005-201907101130 | ND |
| 2019-08-22 | CA3000519_005_005-201908221045 | ND |
| 2019-08-22 | CA3000519_005_005-201908221035 | ND |
| 2019-10-02 | CA3000519_001_001-201910021000 | ND |
| 2019-11-07 | CA3000519_005_005-201911071310 | ND |
| 2020-02-04 | CA3000519_001_001-202002041125 | ND |
| 2020-02-04 | CA3000519_005_005-202002041035 | ND |
| 2020-05-05 | CA3000519_005_005-202005051010 | ND |
| 2020-05-05 | CA3000519_001_001-202005051030 | ND |
| 2020-07-07 | CA3000519_005_005-202007071000 | ND |
| 2020-08-25 | CA3000519_001_001-202008250920 | ND |
| 2020-11-17 | CA3000519_001_001-202011170900 | ND |
| 2021-02-04 | CA3000519_005_005-202102041240 | ND |
| 2021-02-04 | CA3000519_001_001-202102041225 | ND |
| 2021-04-08 | CA3000519_005_005-202104081045 | ND |
| 2021-05-03 | CA3000519_001_001-202105030805 | ND |
| 2021-08-03 | CA3000519_005_005-202108031005 | ND |
| 2021-09-08 | CA3000519_001_001-202109081005 | ND |
| 2021-10-21 | CA3000519_001_001-202110211020 | ND |
| 2021-10-21 | CA3000519_005_005-202110211000 | ND |
| 2022-01-18 | CA3000519_005_005-202201180940 | ND |
| 2022-02-17 | CA3000519_001_001-202202170930 | ND |
| 2022-04-19 | CA3000519_001_001-202204191035 | ND |
| 2022-04-19 | CA3000519_005_005-202204191050 | ND |
| 2022-07-05 | CA3000519_005_005-202207050940 | ND |
| 2022-07-05 | CA3000519_001_001-202207050930 | ND |
| 2022-10-13 | CA3000519_001_001-202210130945 | ND |
| 2022-10-13 | CA3000519_005_005-202210130930 | ND |
| 2023-02-01 | CA3000519_001_001-202302011115 | ND |
| 2023-02-01 | CA3000519_005_005-202302010915 | ND |
| 2023-04-24 | CA3000519_005_005-202304241030 | ND |
| 2023-04-24 | CA3000519_001_001-202304240955 | ND |
| 2023-07-13 | CA3000519_001_001-202307131010 | ND |
| 2023-07-13 | CA3000519_005_005-202307131025 | ND |
| 2023-11-08 | CA3000519_005_005-202311080935 | ND |