trans-1,2-Dichloroethylene
Palmdale Water District
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 | 24 | 0 | ND |
2015 | ND | 24 | 0 | ND |
2016 | ND | 24 | 0 | ND |
2017 | ND | 2 | 0 | ND |
2018 | ND | 5 | 0 | ND |
2019 | ND | 25 | 0 | ND |
ppb = parts per billion
State and national drinking water standards and health guidelines
EWG Health Guideline 60 ppb
The EWG Health Guideline of 60 ppb for trans-1,2-dichloroethylene was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against harm to internal organs.
EPA Maximum Contaminant
Level (MCL) 100 ppb
The legal limit for trans-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 |
---|---|---|
2014-02-05 | 9590-003-1030 | ND |
2014-02-05 | 9590-004-1045 | ND |
2014-02-05 | 9590-007-1130 | ND |
2014-02-05 | 9590-008-1000 | ND |
2014-02-05 | 9590-009-1015 | ND |
2014-02-05 | 9590-011-1110 | ND |
2014-02-05 | 9590-014-0905 | ND |
2014-02-05 | 9590-016-0955 | ND |
2014-02-05 | 9590-018-1125 | ND |
2014-02-05 | 9590-019-1135 | ND |
2014-02-05 | 9590-021-1005 | ND |
2014-02-05 | 9590-022-1030 | ND |
2014-02-05 | 9590-025-1045 | ND |
2014-02-05 | 9590-026-1055 | ND |
2014-02-05 | 9590-027-0900 | ND |
2014-02-05 | 9590-028-1015 | ND |
2014-02-05 | 9590-029-0930 | ND |
2014-02-05 | 9590-032-0945 | ND |
2014-02-05 | 9590-033-0930 | ND |
2014-02-05 | 9590-059-0915 | ND |
2014-02-11 | 9590-012-1010 | ND |
2014-02-11 | 9590-015-1000 | ND |
2014-04-17 | 9590-001-0800 | ND |
2014-05-08 | 9590-030-0800 | ND |
2015-02-03 | 9590-018-0700 | ND |
2015-02-03 | 9590-019-0710 | ND |
2015-02-04 | 9590-003-1105 | ND |
2015-02-04 | 9590-004-0830 | ND |
2015-02-04 | 9590-007-0920 | ND |
2015-02-04 | 9590-008-1025 | ND |
2015-02-04 | 9590-009-1050 | ND |
2015-02-04 | 9590-011-1125 | ND |
2015-02-04 | 9590-012-0935 | ND |
2015-02-04 | 9590-014-0955 | ND |
2015-02-04 | 9590-015-0910 | ND |
2015-02-04 | 9590-016-0905 | ND |
2015-02-04 | 9590-021-0920 | ND |
2015-02-04 | 9590-022-1105 | ND |
2015-02-04 | 9590-025-1000 | ND |
2015-02-04 | 9590-026-1015 | ND |
2015-02-04 | 9590-027-1120 | ND |
2015-02-04 | 9590-028-0940 | ND |
2015-02-04 | 9590-029-0845 | ND |
2015-02-04 | 9590-032-0850 | ND |
2015-02-04 | 9590-033-1045 | ND |
2015-02-04 | 9590-059-1030 | ND |
2015-02-12 | 9590-030-1115 | ND |
2015-02-17 | 9590-001-0730 | ND |
2016-01-19 | 9590-016-1015 | ND |
2016-01-19 | 9590-018-0910 | ND |
2016-01-19 | 9590-019-0920 | ND |
2016-01-19 | 9590-032-1130 | ND |
2016-01-19 | 9590-033-1025 | ND |
2016-01-20 | 9590-003-0730 | ND |
2016-01-20 | 9590-004-0720 | ND |
2016-01-20 | 9590-008-0810 | ND |
2016-01-20 | 9590-009-0750 | ND |
2016-01-20 | 9590-012-0750 | ND |
2016-01-20 | 9590-014-0735 | ND |
2016-01-20 | 9590-029-0820 | ND |
2016-01-21 | 9590-007-0930 | ND |
2016-01-21 | 9590-011-0820 | ND |
2016-01-21 | 9590-021-0800 | ND |
2016-01-21 | 9590-025-0720 | ND |
2016-01-21 | 9590-027-1015 | ND |
2016-01-21 | 9590-028-0900 | ND |
2016-01-21 | 9590-059-0740 | ND |
2016-02-24 | 9590-026-1000 | ND |
2016-03-17 | 9590-001-0800 | ND |
2016-03-17 | 9590-030-0800 | ND |
2016-03-24 | 9590-015-1015 | ND |
2016-05-19 | 9590-022-0830 | ND |
2017-01-26 | 9590-001-0800 | ND |
2017-01-26 | 9590-030-0800 | ND |
2018-02-14 | 9590-001-0930 | ND |
2018-02-14 | 9590-030-0800 | ND |
2018-08-02 | 2920-030-0800 | ND |
2018-08-02 | 9590-030-0800 | ND |
2018-11-08 | 9590-030-1100 | ND |
2019-01-23 | 9590-012-0920 | ND |
2019-01-23 | 9590-015-0945 | ND |
2019-01-24 | 9590-007-0925 | ND |
2019-01-24 | 9590-014-0950 | ND |
2019-02-07 | 9590-003-1020 | ND |
2019-02-07 | 9590-004-1050 | ND |
2019-02-07 | 9590-009-0950 | ND |
2019-02-07 | 9590-029-0920 | ND |
2019-02-13 | 9590-022-0815 | ND |
2019-02-13 | 9590-026-0925 | ND |
2019-02-13 | 9590-033-0750 | ND |
2019-02-13 | 9590-059-0840 | ND |
2019-02-14 | 9590-008-0850 | ND |
2019-02-14 | 9590-011-0920 | ND |
2019-02-21 | 9590-016-1100 | ND |
2019-02-21 | 9590-027-1140 | ND |
2019-02-21 | 9590-032-1040 | ND |
2019-03-27 | 9590-018-0915 | ND |
2019-03-27 | 9590-019-0935 | ND |
2019-03-27 | 9590-021-0810 | ND |
2019-03-27 | 9590-028-0845 | ND |
2019-05-09 | 9590-030-0800 | ND |
2019-08-08 | 9590-030-0820 | ND |
2019-11-07 | 9590-030-0800 | ND |
2019-11-14 | 9590-025-1035 | ND |