1,1,2,2-Tetrachloroethane
Milford City Public Water System
1,1,2,2-Tetrachloroethane is an industrial chemical which has been used as a metal degreaser, and in paint, paint removers, mothballs and pesticides. It damages the liver and nervous system, and may cause cancer.
57
Samples
0
Samples exceeding legal limit (MCL)
1
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2014 | ND | 3 | 0 | ND |
| 2015 | ND | 4 | 0 | ND |
| 2016 | ND | 3 | 0 | ND |
| 2017 | 0.0417 ppb | 12 | 1 | ND - 0.500 ppb |
| 2018 | ND | 20 | 0 | ND |
| 2019 | ND | 15 | 0 | ND |
ppb = parts per billion
State and national drinking water standards and health guidelines
EWG Health Guideline 0.1 ppb
The EWG Health Guideline of 0.1 ppb for 1,1,2,2-tetrachloroethane was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against cancer.
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-03-17 | 14C0806-01 | ND |
| 2014-06-30 | 14G0375-02 | ND |
| 2014-11-13 | 14K0737-04 | ND |
| 2015-04-14 | 15D0795-01 | ND |
| 2015-06-22 | 15F1450-02 | ND |
| 2015-09-15 | 15I0981-02 | ND |
| 2015-12-16 | 15L1019-02 | ND |
| 2016-01-27 | 16A1157-05 | ND |
| 2016-06-29 | 16G0063-05 | ND |
| 2016-10-11 | 16J0628-01 | ND |
| 2017-02-21 | 17B1268-05 | ND |
| 2017-05-30 | 17E1888-05 | ND |
| 2017-09-20 | 17I1616-01 | ND |
| 2017-09-20 | 17I1616-04 | ND |
| 2017-09-20 | 17I1616-03 | ND |
| 2017-09-20 | 17I1616-05 | ND |
| 2017-09-26 | 17I1708-01 | 0.500 ppb |
| 2017-12-27 | 17L1567-04 | ND |
| 2017-12-27 | 17L1567-02 | ND |
| 2017-12-27 | 17L1567-01 | ND |
| 2017-12-27 | 17L1567-05 | ND |
| 2017-12-27 | 17L1567-03 | ND |
| 2018-03-14 | 18C1037-01 | ND |
| 2018-03-14 | 18C1037-03 | ND |
| 2018-03-14 | 18C1037-05 | ND |
| 2018-03-14 | 18C1037-04 | ND |
| 2018-03-14 | 18C1037-02 | ND |
| 2018-05-03 | 18E0300-05 | ND |
| 2018-05-03 | 18E0300-03 | ND |
| 2018-05-03 | 18E0300-02 | ND |
| 2018-05-03 | 18E0300-04 | ND |
| 2018-05-03 | 18E0300-01 | ND |
| 2018-09-24 | 18I1611-05 | ND |
| 2018-09-24 | 18I1611-04 | ND |
| 2018-09-24 | 18I1611-02 | ND |
| 2018-09-24 | 18I1611-01 | ND |
| 2018-09-24 | 18I1611-03 | ND |
| 2018-12-18 | 523972001 | ND |
| 2018-12-18 | 523972002 | ND |
| 2018-12-18 | 523972005 | ND |
| 2018-12-18 | 523972004 | ND |
| 2018-12-18 | 523972003 | ND |
| 2019-03-11 | 528913003 | ND |
| 2019-03-11 | 528913002 | ND |
| 2019-03-11 | 528913001 | ND |
| 2019-03-11 | 528913004 | ND |
| 2019-03-11 | 528913005 | ND |
| 2019-04-24 | 5212496001 | ND |
| 2019-04-24 | 5212496002 | ND |
| 2019-04-24 | 5212496005 | ND |
| 2019-04-24 | 5212496003 | ND |
| 2019-04-24 | 5212496006 | ND |
| 2019-09-26 | 5224308001 | ND |
| 2019-09-26 | 5224308002 | ND |
| 2019-09-26 | 5224308004 | ND |
| 2019-09-26 | 5224308005 | ND |
| 2019-09-26 | 5224308003 | ND |