MN Water Science Center: Pesticides in rain near Lamberton, Minnesota, May through September 1993.

USGS Water Science Center, Minnesota

Table 11.--Pesticides in rain near Lamberton, Minnesota, May through September 1993.

[Total number of samples is 18; mg/L, micrograms per liter; --, not detected]
Common name	Brand name	Percent detections	Maximum concentration ( mg/L)	Median concentration ( mg/L)	Date of maximum concentration
Herbicides
Alachlor	Lasso	94	12	0.05	May 25
Atrazine	Aatrex	89	1.7	.06	June 8
Metolachlor	Dual	72	.09	.03	June 8
Metribuzin	Sencor	39	.05	.02	July 13
Pendimethalin	Prowl	39	1.4	.34	June 8
Propachlor	Ramrod	39	.28	.03	May 25
Triallate	Far-Go	39	.26	.07	July 13
Cyanazine	Bladex	33	3.5	<.01	June 15
EPTC	Eradicane	33	1.4	.34	May 25
Ethalfluralin	Sonalan	33	.07	.03	May 25
Simazine	Princep	33	1.2	.17	May 25
Terbacil	Sinbar	28	1.4	.06	May 18
Propazine	Milogard	17	.05	.05	June 8
Propanil	Erban	11	.02	.02	July 27
Trifluralin	Treflan	11	.04	.02	June 15
Prometon	Pramitol	11	.06	.03	June 22
Butylate	Sutan+	6	.03	<.01	June 8
Benfluralin	Benefin	0	<.01	--	--
Pebulate	Tillam	0	<.01	--	--
Tebuthiuron	Spike	0	<.01	--	--

Insecticides
Methyl parathion	Penncap-M	44	.10	.05	June 22
Terbufos	Counter	22	.05	.02	June 22
Chlorpyrifos	Lorsban	17	.08	<.01	June 8
Malathion	Cythion	17	.07	.03	September 28
Phorate	Thimet	6	.01	<.01	July 13
Azinphos-methyl	Guthion	0	<.02	--	--
Diazinon	Diazinon	0	<.01	--	--
Ethoprop	Mocap	0	<.01	--	--
Lindane	Lindane	0	<.02	--	--
Permethrin	Ambush	0	<.01	--	--

National USGS Links:

Biology Geology Geography Water

Accessibility FOIA Privacy Policies and Notices
U.S. Department of the Interior \| U.S. Geological Survey URL: http://mn.water.usgs.gov/pubs/atmospheric/table11.html Page Contact Information: Webmaster Page Last Modified: Tuesday, 13-Mar-2007 17:09:50 EDT