o-Dichlorobenzene

Collegeville Trappe Joint Public Works Department

o-Dichlorobenzene is used as a chemical intermediate for making agricultural herbicides. It is toxic to the liver, kidneys and the nervous system, and causes cancer in animal studies.

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168

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	28	ND
2015	ND	28	ND
2016	ND	28	ND
2017	ND	28	ND
2018	ND	28	ND
2019	ND	28	ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 600 ppb

The EWG Health Guideline of 600 ppb for o-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 harm to internal organs.

EPA Maximum Contaminant
Level (MCL) 600 ppb

The legal limit for o-dichlorobenzene, established in 1991, was based on a toxicity study in laboratory animals conducted in the 1970s.

ppb = parts per billion

All test results

Date	Lab ID	Result
2014-01-20	20140238	ND
2014-01-20	20140239	ND
2014-01-20	20140240	ND
2014-01-20	20140241	ND
2014-01-20	20140242	ND
2014-03-17	20140955	ND
2014-03-17	20140956	ND
2014-04-21	20141346	ND
2014-04-21	20141347	ND
2014-04-21	20141348	ND
2014-04-21	20141349	ND
2014-04-21	20141350	ND
2014-04-21	20141351	ND
2014-04-21	20141352	ND
2014-07-07	14070813-001	ND
2014-07-07	14070813-002	ND
2014-07-07	14070813-003	ND
2014-07-07	14070813-004	ND
2014-08-13	20142789	ND
2014-08-13	20142790	ND
2014-08-13	20142791	ND
2014-11-17	14111750-01	ND
2014-11-17	14111750-02	ND
2014-11-17	14111750-03	ND
2014-11-17	14111750-04	ND
2014-11-17	14111750-05	ND
2014-11-17	14111750-06	ND
2014-12-01	14120200-01	ND
2015-01-19	12285452	ND
2015-01-19	12285473	ND
2015-01-19	12285494	ND
2015-01-19	12285515	ND
2015-01-19	12285536	ND
2015-01-19	12285557	ND
2015-01-19	12285578	ND
2015-04-20	12631590	ND
2015-04-20	12631611	ND
2015-04-20	12631632	ND
2015-04-20	12631653	ND
2015-04-20	12631674	ND
2015-04-20	12631695	ND
2015-04-20	12631716	ND
2015-07-06	13011203	ND
2015-07-06	13011229	ND
2015-07-06	13011255	ND
2015-07-06	13011281	ND
2015-07-06	13011307	ND
2015-07-06	13011333	ND
2015-07-20	13011547	ND
2015-10-19	13387775	ND
2015-10-19	13387796	ND
2015-10-19	13387817	ND
2015-10-19	13387838	ND
2015-10-19	13387859	ND
2015-10-19	13387880	ND
2015-10-19	13387901	ND
2016-01-18	13751346	ND
2016-01-18	13751367	ND
2016-01-18	13751388	ND
2016-01-18	13751409	ND
2016-01-18	13751430	ND
2016-01-18	13751451	ND
2016-02-16	13869075	ND
2016-04-18	14101340	ND
2016-04-18	14101361	ND
2016-04-18	14101382	ND
2016-04-18	14101403	ND
2016-04-18	14101424	ND
2016-04-18	14101445	ND
2016-04-18	14101466	ND
2016-07-18	14568362	ND
2016-07-18	14568383	ND
2016-07-18	14568404	ND
2016-07-18	14568425	ND
2016-07-18	14568446	ND
2016-07-18	14568467	ND
2016-07-18	14568488	ND
2016-10-17	15074110	ND
2016-10-17	15074131	ND
2016-10-17	15074152	ND
2016-10-17	15074173	ND
2016-10-17	15074194	ND
2016-10-17	15074215	ND
2016-10-17	15074236	ND
2017-02-27	15653925	ND
2017-02-27	15653946	ND
2017-02-27	15653967	ND
2017-02-27	15653988	ND
2017-02-27	15654009	ND
2017-03-07	15793992	ND
2017-03-07	15794013	ND
2017-04-17	15935325	ND
2017-04-17	15935346	ND
2017-04-17	15935367	ND
2017-04-17	15935388	ND
2017-04-17	15935409	ND
2017-04-17	15935430	ND
2017-04-17	15935451	ND
2017-07-17	16411665	ND
2017-07-17	16411686	ND
2017-07-17	16411707	ND
2017-07-17	16411728	ND
2017-07-17	16411749	ND
2017-07-17	16411770	ND
2017-07-17	16411791	ND
2017-10-16	16878516	ND
2017-10-16	16878537	ND
2017-10-16	16878558	ND
2017-10-16	16878579	ND
2017-10-16	16878600	ND
2017-10-16	16878621	ND
2017-10-16	16878642	ND
2018-01-22	20180311	ND
2018-01-22	20180312	ND
2018-01-22	20180313	ND
2018-01-22	20180314	ND
2018-01-22	20180315	ND
2018-01-22	20180316	ND
2018-01-22	20180317	ND
2018-04-18	20181575	ND
2018-04-18	20181576	ND
2018-04-18	20181577	ND
2018-04-18	20181578	ND
2018-04-18	20181579	ND
2018-04-18	20181580	ND
2018-04-18	20181581	ND
2018-07-16	20182718	ND
2018-07-16	20182719	ND
2018-07-16	20182720	ND
2018-07-16	20182721	ND
2018-07-16	20182722	ND
2018-07-16	20182723	ND
2018-07-16	20182724	ND
2018-10-15	20183946	ND
2018-10-15	20183947	ND
2018-10-15	20183948	ND
2018-10-15	20183949	ND
2018-10-15	20183950	ND
2018-10-15	20183951	ND
2018-10-15	20183952	ND
2019-01-23	20190306	ND
2019-01-23	20190307	ND
2019-01-23	20190308	ND
2019-01-23	20190309	ND
2019-01-23	20190310	ND
2019-01-23	20190311	ND
2019-01-23	20190312	ND
2019-04-15	20191439	ND
2019-04-15	20191440	ND
2019-04-15	20191441	ND
2019-04-15	20191442	ND
2019-04-15	20191443	ND
2019-04-15	20191444	ND
2019-04-15	20191445	ND
2019-07-15	20192706	ND
2019-07-15	20192707	ND
2019-07-15	20192708	ND
2019-07-15	20192709	ND
2019-07-15	20192710	ND
2019-07-15	20192711	ND
2019-07-15	20192712	ND
2019-10-21	20194150	ND
2019-10-21	20194151	ND
2019-10-21	20194152	ND
2019-10-21	20194153	ND
2019-10-21	20194154	ND
2019-10-21	20194155	ND
2019-10-21	20194156	ND