o-Dichlorobenzene
Twin Maples Nursing Home
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 |
---|---|---|---|---|
2014 | ND | 1 | 0 | ND |
2015 | ND | 2 | 0 | ND |
2016 | ND | 4 | 0 | ND |
2017 | ND | 4 | 0 | ND |
2018 | ND | 4 | 0 | ND |
2019 | ND | 4 | 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 |
---|---|---|
2014-09-16 | BH14175VOC1 | ND |
2015-08-24 | BJ79938VOC1 | ND |
2015-12-11 | BK35928VOC1 | ND |
2016-01-19 | BK54393VOC1 | ND |
2016-04-22 | BN18473VOC1 | ND |
2016-07-07 | BN68661VOC1 | ND |
2016-10-14 | BV50752VOC1 | ND |
2017-01-09 | BX17960VOC1 | ND |
2017-04-03 | BX97632VOC1 | ND |
2017-07-13 | BY58616VOC1 | ND |
2017-10-09 | BZ17737VOC1 | ND |
2018-01-08 | BZ69305VOC1 | ND |
2018-04-03 | CA12885VOC1 | ND |
2018-07-11 | CA87192VOC1 | ND |
2018-10-01 | CB61945 | ND |
2019-02-01 | CC39646 | ND |
2019-04-01 | CC78528 | ND |
2019-07-02 | CD49289 | ND |
2019-10-14 | CE40397 | ND |