p-Dichlorobenzene
Parkhouse
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 |
|---|---|---|---|---|
| 2014 | ND | 3 | 0 | ND |
| 2015 | ND | 4 | 0 | ND |
| 2016 | ND | 4 | 0 | ND |
| 2017 | ND | 3 | 0 | ND |
| 2018 | ND | 1 | 0 | ND |
| 2019 | ND | 1 | 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 |
|---|---|---|
| 2014-04-02 | L4974224-1 | ND |
| 2014-04-28 | L5026034-1 | ND |
| 2014-11-07 | L5300357-1 | ND |
| 2015-01-29 | 12285049 | ND |
| 2015-04-01 | 12631011 | ND |
| 2015-07-22 | 13010793 | ND |
| 2015-10-09 | 13387338 | ND |
| 2016-02-19 | 13868697 | ND |
| 2016-05-04 | 14248952 | ND |
| 2016-09-07 | 14906185 | ND |
| 2016-10-19 | 15073669 | ND |
| 2017-01-17 | 15515355 | ND |
| 2017-05-19 | 16255553 | ND |
| 2017-07-21 | 16411242 | ND |
| 2018-05-23 | L6992345-1 | ND |
| 2019-05-09 | L7110022-1 | ND |