1,1-Dichloroethylene
Ridgebrook Bluff S/d
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
14
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 | 1 | 0 | ND |
| 2017 | ND | 1 | 0 | ND |
| 2018 | ND | 5 | 0 | ND |
| 2019 | ND | 2 | 0 | ND |
ppb = parts per billion
State and national drinking water standards and health guidelines
EPA Maximum Contaminant
Level (MCL) 7 ppb
The legal limit for 1,1-dichloroethylene, established in 1987, was based on a toxicity study conducted in laboratory animals in the 1980s.
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-01-31 | C316269-01 | ND |
| 2014-03-17 | C316267-01 | ND |
| 2015-01-22 | ND | |
| 2015-01-22 | ND | |
| 2015-05-07 | ND | |
| 2016-02-02 | C516079-01 | ND |
| 2017-01-31 | CZ18910-01 | ND |
| 2018-01-16 | CA18423-01 | ND |
| 2018-04-11 | CB03473-01 | ND |
| 2018-04-11 | CB03473-03 | ND |
| 2018-08-21 | CB08227-01 | ND |
| 2018-10-23 | CB14402-01 | ND |
| 2019-01-23 | CB18898-01 | ND |
| 2019-05-07 | CC04281-01RE1 | ND |