1,1-Dichloroethylene
Klondike Independent School District
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2014 | N/A | 0 | 0 | N/A |
2015 | ND | 3 | 0 | ND |
2016 | ND | 1 | 0 | ND |
2017 | ND | 1 | 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 |
---|---|---|
2015-04-15 | Q1514210005 | ND |
2015-09-28 | Q1538032002 | ND |
2015-10-14 | Q1540708005 | ND |
2016-01-26 | Q1603482001 | ND |
2017-02-01 | Q1704412007 | ND |
2018-01-23 | Q1802490005 | ND |
2019-01-15 | Q1901927001 | ND |