Dacthal

North Kingstown

Dacthal is a weedkiller classified by the Environmental Protection Agency as a possible human carcinogen, and prohibited for use in Europe since 2009.

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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	1.48 ppb	22	4	ND - 14.0 ppb
2015	N/A	0	0	N/A
2016	N/A	0	0	N/A
2017	0.786 ppb	22	4	ND - 8.10 ppb
2018	N/A	0	0	N/A
2019	N/A	0	0	N/A

ppb = parts per billion

All test results

Date	Lab ID	Result
2014-03-24	1401936-06_PE21	4.40 ppb
2014-03-24	1401936-04_PE21	ND
2014-03-24	1401936-07_PE21	ND
2014-03-24	1401936-02_PE21	ND
2014-03-24	1401936-03_PE21	ND
2014-03-24	1401936-05_PE21	ND
2014-03-24	1401936-09_PE21	ND
2014-03-24	1401936-08_PE21	ND
2014-04-22	1402398-02_PE21	ND
2014-04-22	1402398-03_PE21	13.0 ppb
2014-04-22	1402398-01_PE21	ND
2014-08-25	1404689-01_PE21	1.10 ppb
2014-08-25	1404689-06_PE21	ND
2014-08-25	1404689-05_PE21	ND
2014-08-25	1404689-07_PE21	ND
2014-08-25	1404689-08_PE21	ND
2014-08-25	1404689-02_PE21	ND
2014-08-25	1404689-03_PE21	ND
2014-08-25	1404689-04_PE21	ND
2014-11-10	1405628-03_PE21	ND
2014-11-10	1405628-02_PE21	ND
2014-11-10	1405628-01_PE21	14.0 ppb
2017-03-27	1701637-05_PE21	2.40 ppb
2017-03-27	1701637-09_PE21	ND
2017-03-27	1701637-06_PE21	ND
2017-03-27	1701637-07_PE21	ND
2017-03-27	1701637-08_PE21	ND
2017-03-27	1701637-04_PE21	ND
2017-03-27	1701637-03_PE21	ND
2017-03-27	1701637-02_PE21	ND
2017-04-25	1701959-01_PE21	ND
2017-04-25	1701959-03_PE21	8.10 ppb
2017-04-25	1701959-02_PE21	ND
2017-08-21	1703965-06_PE21	2.30 ppb
2017-08-21	1703965-08_PE21	ND
2017-08-21	1703965-09_PE21	ND
2017-08-21	1703965-05_PE21	ND
2017-08-21	1703965-04_PE21	ND
2017-08-21	1703965-02_PE21	ND
2017-08-21	1703965-03_PE21	ND
2017-08-21	1703965-01_PE21	ND
2017-11-07	1704908-03_PE21	ND
2017-11-07	1704908-01_PE21	ND
2017-11-07	1704908-02_PE21	4.50 ppb