cis-1,2-Dichloroethylene
Lompoc Water Utility Division
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.
16
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 |
|---|---|---|---|---|
| 2013 | N/A | 0 | 0 | N/A |
| 2014 | ND | 1 | 0 | ND |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | ND | 8 | 0 | ND |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | ND | 7 | 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 |
|---|---|---|
| 2014-03-12 | 5867-011-1113 | ND |
| 2016-01-06 | 5867-003-1212 | ND |
| 2016-01-06 | 5867-007-1108 | ND |
| 2016-01-06 | 5867-011-1307 | ND |
| 2016-01-06 | 5867-016-1244 | ND |
| 2016-01-13 | 5867-008-1125 | ND |
| 2016-01-13 | 5867-009-1215 | ND |
| 2016-01-13 | 5867-013-1151 | ND |
| 2016-02-03 | 5867-006-1206 | ND |
| 2019-01-02 | 5867-006-1032 | ND |
| 2019-01-02 | 5867-008-1058 | ND |
| 2019-01-02 | 5867-016-0950 | ND |
| 2019-01-16 | 5867-011-0940 | ND |
| 2019-01-16 | 5867-013-0910 | ND |
| 2019-01-23 | 5867-007-0920 | ND |
| 2019-01-23 | 5867-009-1016 | ND |