1,1-Dichloroethylene
Parkhouse
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
16
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 | 3 | 0 | ND |
| 2015 | ND | 4 | 0 | ND |
| 2016 | ND | 4 | 0 | ND |
| 2017 | ND | 3 | 0 | ND |
| 2018 | ND | 1 | 0 | ND |
| 2019 | ND | 1 | 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 |
|---|---|---|
| 2014-04-02 | L4974224-1 | ND |
| 2014-04-28 | L5026034-1 | ND |
| 2014-11-07 | L5300357-1 | ND |
| 2015-01-29 | 12285051 | ND |
| 2015-04-01 | 12631013 | ND |
| 2015-07-22 | 13010795 | ND |
| 2015-10-09 | 13387340 | ND |
| 2016-02-19 | 13868699 | ND |
| 2016-05-04 | 14248954 | ND |
| 2016-09-07 | 14906187 | ND |
| 2016-10-19 | 15073671 | ND |
| 2017-01-17 | 15515357 | ND |
| 2017-05-19 | 16255555 | ND |
| 2017-07-21 | 16411244 | ND |
| 2018-05-23 | L6992345-1 | ND |
| 2019-05-09 | L7110022-1 | ND |