1,1-Dichloroethylene
City of Ridgeland
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 | ND | 1 | 0 | ND |
2015 | ND | 6 | 0 | ND |
2016 | ND | 2 | 0 | ND |
2017 | ND | 1 | 0 | ND |
2018 | ND | 5 | 0 | ND |
2019 | ND | 5 | 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 |
---|---|---|
2014-06-23 | 140624-002VO | ND |
2015-07-28 | 150729-005VO | ND |
2015-08-31 | 150901-018VO | ND |
2015-08-31 | 150901-017VO | ND |
2015-08-31 | 150901-016VO | ND |
2015-08-31 | 150901-012VO | ND |
2015-08-31 | 150901-011VO | ND |
2016-07-18 | 160719-021VO | ND |
2016-09-26 | 160927-008VO | ND |
2017-08-28 | 170829-010VO | ND |
2018-02-05 | 180206-003VO | ND |
2018-05-01 | 180502-002VO | ND |
2018-07-16 | 180717-001VO | ND |
2018-08-13 | 180814-006VO | ND |
2018-10-23 | 181024-006VO | ND |
2019-03-11 | 190312-009VO | ND |
2019-05-06 | 190507-005VO | ND |
2019-07-15 | 190716-012VO | ND |
2019-09-09 | 190910-001VO | ND |
2019-11-04 | 191105-007VO | ND |