1,1,1,2-Tetrachloroethane
United Wappinger Water Improvement District
1,1,1,2-Tetrachloroethane is a synthetic chemical used in metal degreasing and as an intermediate in industrial chemical production.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2014 | ND | 8 | 0 | ND |
2015 | N/A | 0 | 0 | N/A |
2016 | ND | 8 | 0 | ND |
2017 | ND | 5 | 0 | ND |
2018 | ND | 3 | 0 | ND |
2019 | ND | 9 | 0 | ND |
ppb = parts per billion
State and national drinking water standards and health guidelines
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 |
---|---|---|
2014-12-09 | 12101427K | ND |
2014-12-09 | 12101426P | ND |
2014-12-09 | 12101427F | ND |
2014-12-09 | 12101426G | ND |
2014-12-09 | 12101427R | ND |
2014-12-09 | 12101426K | ND |
2014-12-09 | 12101426V | ND |
2014-12-09 | 12101426H | ND |
2016-11-29 | UW164145 | ND |
2016-11-29 | UW164137 | ND |
2016-11-29 | UW164139 | ND |
2016-11-29 | UW164143 | ND |
2016-11-30 | UW164254F | ND |
2016-11-30 | UW164253F | ND |
2016-11-30 | UW164252F | ND |
2016-11-30 | UW164251F | ND |
2017-11-28 | UW172959F | ND |
2017-11-28 | UW172963F | ND |
2017-11-28 | UW172961F | ND |
2017-11-28 | UW172958F | ND |
2017-11-28 | UW172962F | ND |
2018-01-03 | UW180048F | ND |
2018-12-11 | 18L0513-05F | ND |
2018-12-12 | 18L0588-01F | ND |
2019-09-03 | UW192173-F | ND |
2019-09-03 | UW192172F | ND |
2019-12-09 | 19L0336-04 | ND |
2019-12-09 | 19L0336-03 | ND |
2019-12-09 | 19L0336-05 | ND |
2019-12-09 | 19L0336-02 | ND |
2019-12-09 | 19L0336-01F | ND |
2019-12-11 | 19L0468-02F | ND |
2019-12-11 | 19L0468-01F | ND |