1,1,1,2-Tetrachloroethane
Glenwood Water Supply Corporation
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 |
---|---|---|---|---|
2013 | N/A | 0 | 0 | N/A |
2014 | ND | 1 | 0 | ND |
2015 | ND | 3 | 0 | ND |
2016 | ND | 3 | 0 | ND |
2017 | ND | 3 | 0 | ND |
2018 | ND | 3 | 0 | ND |
2019 | ND | 3 | 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 |
---|---|---|
2014-10-09 | Q1451842014 | ND |
2015-06-30 | Q1524691002 | ND |
2015-06-30 | Q1524691004 | ND |
2015-06-30 | Q1524691005 | ND |
2016-10-25 | Q1645490006 | ND |
2016-10-25 | Q1645490002 | ND |
2016-10-25 | Q1645490007 | ND |
2017-09-18 | Q1744560011 | ND |
2017-09-18 | Q1744560002 | ND |
2017-09-18 | Q1744560020 | ND |
2018-10-18 | Q1841537006 | ND |
2018-10-18 | Q1841537010 | ND |
2018-10-18 | Q1841537008 | ND |
2019-10-14 | Q1972407001 | ND |
2019-10-14 | Q1972407003 | ND |
2019-10-14 | Q1972407005 | ND |