p-Dichlorobenzene

Los Angeles CWWD 40, R24, 27,33-Pearblsm

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.

MORE ABOUT THIS CONTAMINANT

Samples

Samples exceeding legal limit (MCL)

Samples exceeding
health guidelines

Testing results - average by year

Year	Average result	Samples taken	Range of results
2014	ND	5	ND
2015	ND	5	ND
2016	ND	5	ND
2017	N/A	0	N/A
2018	N/A	0	N/A
2019	ND	4	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
2014-05-07	5442-020-0958	ND
2014-05-07	5442-019-0941	ND
2014-05-07	5442-014-1013	ND
2014-05-07	5442-005-0929	ND
2014-08-06	5442-002-1028	ND
2015-05-12	5442-019-0909	ND
2015-05-12	5442-020-1030	ND
2015-05-12	5442-002-1052	ND
2015-05-12	5442-014-0909	ND
2015-05-12	5442-005-0931	ND
2016-05-18	5442-014-1020	ND
2016-05-18	5442-019-1145	ND
2016-05-18	5442-005-1115	ND
2016-05-18	5442-002-1010	ND
2016-08-31	5442-020-1100	ND
2019-01-08	9590-014-1130	ND
2019-01-08	9590-002-1113	ND
2019-08-19	9590-020-1002	ND
2019-12-11	9590-005-0859	ND