trans-1,2-Dichloroethylene
City of Tempe
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 |
---|---|---|---|---|
2013 | N/A | 0 | 0 | N/A |
2014 | ND | 17 | 0 | ND |
2015 | ND | 2 | 0 | ND |
2016 | ND | 3 | 0 | ND |
2017 | ND | 24 | 0 | ND |
2018 | ND | 21 | 0 | ND |
2019 | ND | 17 | 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 |
---|---|---|
2014-01-02 | 1401002-01V | ND |
2014-01-28 | 1401146-01V | ND |
2014-01-28 | 1401144-01V | ND |
2014-01-28 | 1401143-01V | ND |
2014-01-28 | 1401142-01V | ND |
2014-01-29 | 1401148-01V | ND |
2014-01-29 | 1401147-01V | ND |
2014-01-29 | 1401145-01V | ND |
2014-01-29 | 1401141-01V | ND |
2014-03-24 | 1403189-01V | ND |
2014-04-28 | 1404215-01V | ND |
2014-04-30 | 1404216-01V | ND |
2014-07-29 | 1407258-01V | ND |
2014-07-30 | 1407280-01V | ND |
2014-07-30 | 1407276-01V | ND |
2014-11-12 | 1411119-01V | ND |
2014-11-12 | 1411118-01V | ND |
2015-02-25 | 150222701V | ND |
2015-03-04 | 1503035-01V | ND |
2016-01-13 | 1601108-01V | ND |
2016-01-26 | 1601221-01V | ND |
2016-04-08 | 1604073-01V | ND |
2017-01-03 | 1701015-01V | ND |
2017-01-03 | 1701007-01V | ND |
2017-01-17 | 1701113-01V | ND |
2017-01-17 | 1701112-01V | ND |
2017-01-18 | 1701116-01V | ND |
2017-01-18 | 1701115-01V | ND |
2017-01-18 | 1701114-01V | ND |
2017-01-19 | 1701117-01V | ND |
2017-01-26 | 1701120-01V | ND |
2017-01-26 | 1701119-01V | ND |
2017-01-31 | 1701253-01V | ND |
2017-01-31 | 1701252-01V | ND |
2017-03-23 | 201703230333V | ND |
2017-04-03 | 7040337-01VOC | ND |
2017-05-04 | 7050712-01 | ND |
2017-05-04 | 7050711-01 | ND |
2017-08-28 | 1708300-01V | ND |
2017-08-29 | 1708311-01V | ND |
2017-08-30 | 1708317-01V | ND |
2017-09-07 | 1709042-01V | ND |
2017-10-02 | 1710019-01V | ND |
2017-10-03 | 1710038-01V | ND |
2017-10-11 | 1710157-01V | ND |
2017-10-11 | 1710156-01V | ND |
2018-01-02 | 1801001-001B | ND |
2018-01-03 | 1801015-001B | ND |
2018-01-03 | 1801014-001B | ND |
2018-01-17 | 1801103-01B | ND |
2018-01-17 | 1801102-001B | ND |
2018-01-17 | 1801101-001B | ND |
2018-01-18 | 1801115-001B | ND |
2018-01-18 | 1801114-001B | ND |
2018-01-23 | 1801143-001B | ND |
2018-01-24 | 1801151-001B | ND |
2018-02-05 | 1802024-001B | ND |
2018-02-05 | 1802023-001B | ND |
2018-02-06 | 1802032-001B | ND |
2018-02-13 | 1802083-001B | ND |
2018-03-06 | 1803023-001B | ND |
2018-04-10 | 1804109-001B | ND |
2018-04-11 | 1804131-001B | ND |
2018-04-11 | 1804123-001B | ND |
2018-07-09 | 1807047-001B | ND |
2018-07-31 | 1807285-001B | ND |
2018-10-01 | 1810011-001B | ND |
2019-01-02 | 1901015-001 VOC | ND |
2019-01-02 | 1901007-001 VOC | ND |
2019-01-02 | 1901005-001 VOC | ND |
2019-01-02 | 1901004-001 VOC | ND |
2019-01-03 | 1901024-001 VOC | ND |
2019-01-03 | 1901021-001 VOC | ND |
2019-01-03 | 1901025-001 VOC | ND |
2019-01-03 | 1901026-001 VOC | ND |
2019-01-07 | 1901045-001 VOC | ND |
2019-01-08 | 1901054-001 VOC | ND |
2019-03-13 | 1903102-001 VOC | ND |
2019-03-29 | 1903192-001 VOC | ND |
2019-03-30 | 1903194-001 VOC | ND |
2019-04-02 | 1904016-001 | ND |
2019-04-11 | 1904119-001 | ND |
2019-07-01 | 1907004-001 | ND |
2019-10-01 | 1910010-001 | ND |