1,1-Dichloroethylene
City of Sheridan
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
10
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 | N/A | 0 | 0 | N/A |
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 |
|---|---|---|
| 2014-08-12 | S1408213-001 V | ND |
| 2014-08-12 | S1408212-001 V | ND |
| 2015-08-12 | S1508197-001 V | ND |
| 2015-08-12 | S1508197-002 V | ND |
| 2016-08-17 | S1608313-001 V | ND |
| 2016-08-17 | S1608313-002 V | ND |
| 2017-08-23 | S1708395-001 V | ND |
| 2017-08-23 | S1708395-003 V | ND |
| 2018-08-21 | S1808350-002 V | ND |
| 2018-08-21 | S1808350-001 V | ND |