cis-1,2-Dichloroethylene
Newhall Cwd-castaic
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.
18
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 |
---|---|---|---|---|
2014 | ND | 3 | 0 | ND |
2015 | ND | 3 | 0 | ND |
2016 | ND | 3 | 0 | ND |
2017 | ND | 3 | 0 | ND |
2018 | ND | 3 | 0 | ND |
2019 | ND | 3 | 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 |
---|---|---|
2014-02-13 | 9590-008-0925 | ND |
2014-02-13 | 9590-002-0918 | ND |
2014-02-13 | 9590-001-0904 | ND |
2015-02-19 | 9590-001-1020 | ND |
2015-02-19 | 9590-002-1110 | ND |
2015-02-19 | 9590-008-1050 | ND |
2016-02-18 | 9590-001-1120 | ND |
2016-02-18 | 9590-008-1040 | ND |
2016-02-18 | 9590-002-1030 | ND |
2017-02-16 | 9590-002-0919 | ND |
2017-02-16 | 9590-008-0931 | ND |
2017-11-02 | 9590-001-1040 | ND |
2018-04-05 | 2104-002-0935 | ND |
2018-04-05 | 2104-008-0956 | ND |
2018-04-05 | 2104-001-0905 | ND |
2019-04-18 | 9590-002-0920 | ND |
2019-04-18 | 9590-008-0910 | ND |
2019-04-18 | 9590-001-0850 | ND |