o-Dichlorobenzene
City of Riverbank
o-Dichlorobenzene is used as a chemical intermediate for making agricultural herbicides. It is toxic to the liver, kidneys and the nervous system, and causes cancer in animal studies.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2013 | N/A | 0 | 0 | N/A |
2014 | N/A | 0 | 0 | N/A |
2015 | ND | 1 | 0 | ND |
2016 | ND | 10 | 0 | ND |
2017 | N/A | 0 | 0 | N/A |
2018 | N/A | 0 | 0 | N/A |
2019 | ND | 9 | 0 | ND |
ppb = parts per billion
State and national drinking water standards and health guidelines
EWG Health Guideline 600 ppb
The EWG Health Guideline of 600 ppb for o-dichlorobenzene 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) 600 ppb
The legal limit for o-dichlorobenzene, established in 1991, was based on a toxicity study in laboratory animals conducted in the 1970s.
ppb = parts per billion
All test results
Date | Lab ID | Result |
---|---|---|
2015-11-12 | 5810-012-1000 | ND |
2016-10-05 | 5810-002-1037 | ND |
2016-10-05 | 5810-006-1000 | ND |
2016-10-05 | 5810-012-1025 | ND |
2016-10-06 | 5810-007-0930 | ND |
2016-10-06 | 5810-005-0901 | ND |
2016-10-06 | 5810-004-0810 | ND |
2016-10-10 | 5810-003-0925 | ND |
2016-10-10 | 5810-008-0844 | ND |
2016-10-10 | 5810-009-1400 | ND |
2016-10-10 | 5810-010-0910 | ND |
2019-10-16 | 5810-012-1140 | ND |
2019-10-21 | 5810-003-1405 | ND |
2019-10-21 | 5810-006-1040 | ND |
2019-10-21 | 5810-008-1137 | ND |
2019-10-21 | 5810-009-1211 | ND |
2019-10-21 | 5810-010-1439 | ND |
2019-10-22 | 5810-007-1023 | ND |
2019-10-22 | 5810-004-0931 | ND |
2019-10-22 | 5810-002-1334 | ND |