cis-1,2-Dichloroethylene
Jaffrey Water Works
1,2-Dichloroethylene, a neurotoxic solvent, exists in two different forms: trans-1,2-dichloroethylene and cis-1,2-dichloroethylene. A mixture of the two forms is used to manufacture other solvents and chemical products.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2014 | ND | 4 | 0 | ND |
2015 | ND | 4 | 0 | ND |
2016 | ND | 4 | 0 | ND |
2017 | ND | 4 | 0 | ND |
2018 | ND | 4 | 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) 70 ppb
The legal limit for cis-1,2-dichloroethylene, established in 1991, was based on a toxicity study in laboratory animals conducted in the 1980s.
ppb = parts per billion
All test results
Date | Lab ID | Result |
---|---|---|
2014-01-21 | 14010159-001 | ND |
2014-05-27 | 14050239-003 | ND |
2014-05-27 | 14050239-004 | ND |
2014-05-27 | 14050239-001 | ND |
2015-03-17 | 15030131-001 | ND |
2015-04-20 | 150400199-001 | ND |
2015-04-20 | 150400199-003 | ND |
2015-04-20 | 150400199-004 | ND |
2016-02-22 | 16020206-001 | ND |
2016-05-16 | 16050230-001 | ND |
2016-05-16 | 16050231-001 | ND |
2016-05-16 | 16050232-001 | ND |
2017-02-23 | 17020218-001 | ND |
2017-05-17 | 17050220-001 | ND |
2017-05-17 | 17050221-001 | ND |
2017-05-17 | 17050222-001 | ND |
2018-03-12 | 18030094-001 | ND |
2018-05-14 | 18050171-001 | ND |
2018-05-14 | 18050172-001 | ND |
2018-05-14 | 18050173-001 | ND |
2019-02-13 | 19020147-001 | ND |
2019-02-21 | 19020235-001 | ND |
2019-05-06 | 19050073-001 | ND |
2019-05-06 | 19050074-001 | ND |
2019-05-06 | 19050075-001 | ND |