1,1,1,2-Tetrachloroethane
Maywood Mutual Water Company #2
1,1,1,2-Tetrachloroethane is a synthetic chemical used in metal degreasing and as an intermediate in industrial chemical production.
13
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 |
---|---|---|---|---|
2014 | ND | 2 | 0 | ND |
2015 | ND | 3 | 0 | ND |
2016 | ND | 2 | 0 | ND |
2017 | ND | 2 | 0 | ND |
2018 | ND | 2 | 0 | ND |
2019 | ND | 2 | 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 |
---|---|---|
2014-04-10 | 9588-001-1045 | ND |
2014-04-10 | 9588-002-1050 | ND |
2015-04-02 | 9588-002-1124 | ND |
2015-06-19 | 9588-001-1008 | ND |
2015-07-10 | 9588-001-1145 | ND |
2016-04-07 | 9588-001-1059 | ND |
2016-04-07 | 9588-002-1045 | ND |
2017-04-06 | 9588-001-1106 | ND |
2017-04-06 | 9588-002-1128 | ND |
2018-04-06 | 9588-002-1100 | ND |
2018-05-04 | 9588-001-0920 | ND |
2019-04-05 | 9588-002-0910 | ND |
2019-05-03 | 9588-001-0917 | ND |