1,1-Dichloroethylene
Round Hill LLC - Well# 1
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
11
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 | 1 | 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
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 |
|---|---|---|
| 2014-01-13 | E401683-2VOC | ND |
| 2015-01-19 | E501B78-2VOC | ND |
| 2015-01-19 | E501B79-2VOC | ND |
| 2016-01-12 | E601910-2VOC | ND |
| 2016-01-12 | E601910-3VOC | ND |
| 2017-01-16 | E701C31-2VOC | ND |
| 2017-01-16 | E701C31-3VOC | ND |
| 2018-01-16 | D8A0951-02VOC | ND |
| 2018-01-16 | D8A0951-03VOC | ND |
| 2019-01-16 | D9A1281-01VOC | ND |
| 2019-01-16 | D9A1281-02VOC | ND |