o-Dichlorobenzene
City of Flagstaff
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 | ND | 2 | 0 | ND |
2015 | ND | 8 | 0 | ND |
2016 | ND | 2 | 0 | ND |
2017 | ND | 5 | 0 | ND |
2018 | ND | 9 | 0 | ND |
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 |
---|---|---|
2014-08-27 | 201408300317V | ND |
2014-10-06 | 201410070846V | ND |
2015-04-14 | 201504150294V | ND |
2015-07-22 | 201507180334V | ND |
2015-07-22 | 201507160337V | ND |
2015-07-30 | 201507310184V | ND |
2015-08-27 | 201508280194V | ND |
2015-09-10 | 201509120269V | ND |
2015-10-20 | 201510210462V | ND |
2015-10-20 | 201510070069V | ND |
2016-02-17 | 201602180536V | ND |
2016-02-17 | 201602180535V | ND |
2017-03-07 | 201703080657V | ND |
2017-03-07 | 201703080656V | ND |
2017-03-07 | 201703080655V | ND |
2017-03-07 | 201703080654V | ND |
2017-09-11 | 201709121557V | ND |
2018-05-15 | 201805160793 V | ND |
2018-05-15 | 201805160792 V | ND |
2018-05-15 | 201805160791 V | ND |
2018-06-11 | 201806120451V | ND |
2018-06-13 | 201806140903V | ND |
2018-06-13 | 201806140902V | ND |
2018-08-27 | 201808281001V | ND |
2018-08-27 | 201808281002V | ND |
2018-08-27 | 201808281003V | ND |
2019-04-29 | 201904300311V | ND |
2019-04-29 | 201904300310V | ND |
2019-06-18 | 201906190260V | ND |
2019-06-18 | 201906190259V | ND |
2019-07-22 | 201907230337V | ND |
2019-07-22 | 201907230199V | ND |
2019-09-25 | 201909260285V | ND |
2019-09-25 | 201909260284V | ND |
2019-10-23 | 201910240268V | ND |