p-Dichlorobenzene
City of Waxahachie
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 | 2 | 0 | ND |
| 2016 | ND | 2 | 0 | ND |
| 2017 | ND | 2 | 0 | ND |
| 2018 | ND | 2 | 0 | ND |
| 2019 | ND | 2 | 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 |
|---|---|---|
| 2014-03-19 | Q1408832010 | ND |
| 2014-06-04 | Q1419411005 | ND |
| 2014-07-31 | Q1432876007 | ND |
| 2015-04-27 | Q1515456001 | ND |
| 2015-07-23 | Q1528705001 | ND |
| 2016-01-21 | Q1602735001 | ND |
| 2016-09-01 | Q1635064002 | ND |
| 2017-04-12 | Q1715005008 | ND |
| 2017-07-10 | Q1727841006 | ND |
| 2018-01-25 | Q1802982010 | ND |
| 2018-08-13 | Q1832216003 | ND |
| 2019-04-29 | Q1916965011 | ND |
| 2019-07-25 | Q1947719001 | ND |