p-Dichlorobenzene
Aqua Pa Bristol
p-Dichlorobenzene is a carcinogenic insecticide used in mothballs, and added to deodorant blocks made for trash cans and toilets. Long-term exposure can cause liver damage and kidney problems.
Samples
Samples exceeding legal limit (MCL)
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2013 | N/A | 0 | 0 | N/A |
| 2014 | ND | 5 | 0 | ND |
| 2015 | ND | 5 | 0 | ND |
| 2016 | ND | 5 | 0 | ND |
| 2017 | ND | 4 | 0 | ND |
| 2018 | ND | 2 | 0 | ND |
| 2019 | ND | 3 | 0 | ND |
ppb = parts per billion
State and national drinking water standards and health guidelines
EWG Health Guideline 6 ppb
The EWG Health Guideline of 6 ppb for p-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 cancer.
EPA Maximum Contaminant
Level (MCL) 75 ppb
The legal limit for p-dichlorobenzene, established in 1987, was based on toxicity studies conducted in laboratory animals in the 1980s. This limit may not fully protect against the risk of cancer due to p-dichlorobenzene exposure.
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-01-10 | AE20136 | ND |
| 2014-04-17 | AE29694 | ND |
| 2014-04-17 | AE29704 | ND |
| 2014-07-25 | AE41526 | ND |
| 2014-10-10 | AE52027 | ND |
| 2015-01-09 | 12271442 | ND |
| 2015-02-06 | 12387480 | ND |
| 2015-04-17 | 12618235 | ND |
| 2015-07-31 | 12998804 | ND |
| 2015-10-16 | 13375697 | ND |
| 2016-01-06 | 13738145 | ND |
| 2016-01-15 | 13738166 | ND |
| 2016-04-15 | 14086772 | ND |
| 2016-07-21 | 14550552 | ND |
| 2016-10-26 | 15059928 | ND |
| 2017-01-06 | 15499341 | ND |
| 2017-04-07 | 15919081 | ND |
| 2017-08-18 | 16547709 | ND |
| 2017-09-21 | 16709709 | ND |
| 2018-02-02 | AF75113 | ND |
| 2018-02-22 | AF76987 | ND |
| 2019-02-01 | AG07157 | ND |
| 2019-03-07 | AG10696 | ND |
| 2019-04-12 | AG14108 | ND |