1,1,1,2-Tetrachloroethane
North Fork Creek II
1,1,1,2-Tetrachloroethane is a synthetic chemical used in metal degreasing and as an intermediate in industrial chemical production.
12
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 | 2 | 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 |
|---|---|---|
| 2014-10-15 | Q1452618004 | ND |
| 2014-10-15 | Q1452618001 | ND |
| 2015-11-03 | Q1543214002 | ND |
| 2015-11-03 | Q1543214004 | ND |
| 2016-10-26 | Q1645771005 | ND |
| 2016-10-26 | Q1645771002 | ND |
| 2017-12-07 | Q1763640005 | ND |
| 2017-12-07 | Q1763640008 | ND |
| 2018-10-04 | Q1839789001 | ND |
| 2018-10-04 | Q1839789004 | ND |
| 2019-01-30 | Q1904582001 | ND |
| 2019-04-03 | Q1913497002 | ND |