p-Dichlorobenzene
Bogue Chitto Water Association
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 | 0.887 ppb | 8 | 6 | ND - 1.83 ppb |
| 2015 | 2.55 ppb | 8 | 8 | 1.49 ppb - 3.25 ppb |
| 2016 | 0.592 ppb | 6 | 2 | ND - 1.87 ppb |
| 2017 | ND | 8 | 0 | ND |
| 2018 | ND | 8 | 0 | ND |
| 2019 | ND | 8 | 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 |
|---|---|---|
| 2014-03-10 | 140311-006VO | ND |
| 2014-03-10 | 140311-005VO | ND |
| 2014-04-28 | 140429-016VO | 1.83 ppb |
| 2014-04-28 | 140429-015VO | 1.66 ppb |
| 2014-08-27 | 140828-012VO | 0.847 ppb |
| 2014-08-27 | 140828-011VO | 0.746 ppb |
| 2014-10-20 | 141021-016VO | 1.06 ppb |
| 2014-10-20 | 141021-015VO | 0.955 ppb |
| 2015-03-16 | 150317-005VO | 1.49 ppb |
| 2015-03-16 | 150317-004VO | 1.75 ppb |
| 2015-05-18 | 150519-006VO | 2.77 ppb |
| 2015-05-18 | 150519-005VO | 2.81 ppb |
| 2015-08-24 | 150825-022VO | 3.25 ppb |
| 2015-08-24 | 150825-021VO | 3.17 ppb |
| 2015-11-02 | 151103-017VO | 2.55 ppb |
| 2015-11-02 | 151103-016VO | 2.57 ppb |
| 2016-03-07 | 160308-012VO | 1.87 ppb |
| 2016-03-07 | 160308-011VO | 1.68 ppb |
| 2016-06-13 | 160614-022VO | ND |
| 2016-06-13 | 160614-021VO | ND |
| 2016-07-25 | 160726-012VO | ND |
| 2016-07-25 | 160726-011VO | ND |
| 2017-03-13 | 170314-004VO | ND |
| 2017-03-13 | 170314-003VO | ND |
| 2017-05-22 | 170523-007VO | ND |
| 2017-05-22 | 170523-006VO | ND |
| 2017-08-07 | 170808-004VO | ND |
| 2017-08-07 | 170808-003VO | ND |
| 2017-11-06 | 171107-009VO | ND |
| 2017-11-06 | 171107-008VO | ND |
| 2018-02-05 | 180206-010VO | ND |
| 2018-02-05 | 180206-009VO | ND |
| 2018-05-01 | 180502-021VO | ND |
| 2018-05-01 | 180502-022VO | ND |
| 2018-08-13 | 180814-008VO | ND |
| 2018-08-13 | 180814-007VO | ND |
| 2018-10-22 | 181023-006VO | ND |
| 2018-10-22 | 181023-005VO | ND |
| 2019-03-04 | 190305-002VO | ND |
| 2019-03-04 | 190305-001VO | ND |
| 2019-05-01 | 190502-002VO | ND |
| 2019-05-01 | 190502-001VO | ND |
| 2019-08-12 | 190813-009VO | ND |
| 2019-08-12 | 190813-008VO | ND |
| 2019-11-04 | 191105-012VO | ND |
| 2019-11-04 | 191105-013VO | ND |