p-Dichlorobenzene
Town of Queen Creek
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 | 2 | 0 | ND |
| 2015 | ND | 1 | 0 | ND |
| 2016 | ND | 5 | 0 | ND |
| 2017 | ND | 7 | 0 | ND |
| 2018 | ND | 4 | 0 | ND |
| 2019 | ND | 12 | 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 |
|---|---|---|
| 2014-08-04 | 201408050165V | ND |
| 2014-08-04 | 201408050164V | ND |
| 2015-03-04 | 201503040378V | ND |
| 2016-06-08 | 201606080199V | ND |
| 2016-06-08 | 201606080193V | ND |
| 2016-06-08 | 201606080192V | ND |
| 2016-06-08 | 201606080191V | ND |
| 2016-06-08 | 201606080190V | ND |
| 2017-03-15 | 201703150338V | ND |
| 2017-03-15 | 201703150337V | ND |
| 2017-03-15 | 201703150336V | ND |
| 2017-03-15 | 201703150335V | ND |
| 2017-03-15 | 201703150334V | ND |
| 2017-03-15 | 201703150333V | ND |
| 2017-07-06 | 201707060489V | ND |
| 2018-01-18 | 201801180389V | ND |
| 2018-07-18 | 201807180472V | ND |
| 2018-08-01 | 201808020188V | ND |
| 2018-10-03 | 201810030298V | ND |
| 2019-02-13 | 201902130125V | ND |
| 2019-02-13 | 201902130124V | ND |
| 2019-02-13 | 201902130123V | ND |
| 2019-02-13 | 201902130122V | ND |
| 2019-02-14 | 201902140176V | ND |
| 2019-06-03 | 201906030210V | ND |
| 2019-06-03 | 201906030208V | ND |
| 2019-07-25 | 201907250186V | ND |
| 2019-07-25 | 201907250175V | ND |
| 2019-10-24 | 201910240410V | ND |
| 2019-10-24 | 201910240415V | ND |
| 2019-10-24 | 201910240412V | ND |