1,1-Dichloroethylene
Riviera Beach Utility 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 | ND | 1 | 0 | ND |
2015 | 0.141 ppb | 16 | 2 | ND - 1.65 ppb |
2016 | 0.0432 ppb | 22 | 2 | ND - 0.520 ppb |
2017 | ND | 6 | 0 | ND |
2018 | N/A | 0 | 0 | N/A |
2019 | 0.181 ppb | 2 | 2 | 0.0513 ppb - 0.310 ppb |
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 | Result |
---|---|
2014-09-17 | ND |
2015-06-18 | ND |
2015-09-22 | ND |
2015-09-23 | ND |
2015-09-23 | 0.600 ppb |
2015-09-23 | 1.65 ppb |
2015-09-23 | ND |
2015-09-23 | ND |
2015-09-23 | ND |
2015-09-23 | ND |
2015-09-23 | ND |
2015-09-23 | ND |
2015-09-23 | ND |
2015-09-23 | ND |
2015-09-23 | ND |
2015-09-23 | ND |
2015-12-16 | ND |
2016-03-14 | ND |
2016-06-14 | ND |
2016-06-14 | ND |
2016-06-14 | ND |
2016-06-14 | ND |
2016-06-14 | ND |
2016-06-14 | ND |
2016-06-14 | ND |
2016-06-14 | ND |
2016-06-14 | 0.430 ppb |
2016-06-14 | ND |
2016-06-14 | ND |
2016-06-14 | ND |
2016-09-19 | ND |
2016-09-21 | 0.520 ppb |
2016-09-21 | ND |
2016-09-21 | ND |
2016-09-21 | ND |
2016-09-21 | ND |
2016-09-21 | ND |
2016-09-21 | ND |
2016-09-21 | ND |
2017-03-06 | ND |
2017-03-06 | ND |
2017-03-06 | ND |
2017-06-19 | ND |
2017-11-13 | ND |
2017-12-05 | ND |
2019-06-07 | 0.0513 ppb |
2019-06-10 | 0.310 ppb |