USGS Scientific Invesigations Report 2012–5068  - Reconnaissance of Contaminants in Selected Wastewater-Treatment-Plant Effluent and Stormwater Runoff Entering the Columbia River, Columbia River Basin, Washington and Oregon, 2008

Table A4. Reporting limits, uses, and classes of currently used pesticides and degradates analyzed in filtered wastewater-treatment-plant effluent or stormwater runoff, Columbia River Basin, Washington and Oregon, 2009–10. 

[Shading indicates a detection in wastewater-treatment-plant effluent; bold type indicates a detection in stormwater runoff in this study. CAS No.: Chemical Abstract Service Registry Number® is a Registered Trademark of the American Chemical Society. CAS recommends the verification of the CASRNs through CAS Client Services^SM. Method detection limit and Reporting limit: Values are in micrograms per liter. Abbreviations: NA, not available; D, degradate; Def, defoilant; F, fumigant; Fun, fungicide; H, herbicide; I, insecticide; N, nematocide; –, not applicable] 

Analyte	Parameter  code	CAS  No.	Method detection limit		Reporting limit		Use	Class	Parent compound
Analyte	Parameter  code	CAS  No.	February–  September 2009	October 2009–  June 2010	February–  September 2009	October 2009–  June 2010	Use	Class	Parent compound
Fungicides
3,5-Dichloroaniline	61627	626-43-7	0.002	0.0015	0.004	0.003	D	Amide	Iprodione
Iprodione	61593	36734-19-7	0.007	0.007	0.014	0.014	Fun	Amide	–
Metalaxyl	61596	57837-19-1	0.003	0.003	0.007	0.007	Fun	Acylalanine	–
Myclobutanil	61599	88671-89-0	0.005	0.005	0.01	0.01	Fun	Triazole	–
cis-Propiconazole	79846	60207-90-1	0.003	0.003	0.006	0.006	Fun	Triazole	–
trans-Propiconazole	79847	60207-90-1	0.01	0.01	0.02	0.02	Fun	Triazole	–
Tebuconazole	62852	107534-96-3	0.01	0.01	0.02	0.02	Fun	Triazole	–
Herbicides and degradates
Acetochlor	49260	34256-82-1	0.005	0.005	0.01	0.01	H	Chloroacetamide	–
Alachlor	46342	15972-60-8	0.004	0.004	0.008	0.008	H	Chloroacetamide	–
Atrazine	39632	1912-24-9	0.004	0.004	0.007	0.007	H	Triazine	–
Benfluralin	82673	1861-40-1	0.007	0.007	0.014	0.014	H	Dinitroaniline	–
2-Chloro-2,6-diethylacetanilide	61618	6967-29-9	0.005	0.005	0.01	0.01	D	Chloroacetamide	Alachlor
2-Chloro-4-isopropylamino-6-amino-s-triazine (CIAT)	04040	6190-65-4	0.007	0.007	0.014	0.014	D	Triazine	Atrazine
4-Chloro-2-methylphenol	61633	1570-64-5	0.0025	0.002	0.005	0.0032	D	Chlorophenoxy acid	MCPA, MCPB
Cyanazine	04041	21725-46-2	0.02	0.011	0.04	0.022	H	Triazine	–
DCPA (Dacthal)	82682	1861-32-1	0.003	0.0038	0.006	0.0076	H	Organochlorine	–
3,4-Dichloroaniline	61625	95-76-1	0.002	0.0021	0.004	0.0042	D	Phenyl urea, Chloroacetamide	Diuron, Propanil, Linuron, Neburon
2,6-Diethylaniline	82660	579-66-8	0.003	0.003	0.006	0.006	D	Chloroacetamide	Alachlor
S-Ethyl dipropyl thiocarbamate   (EPTC)	82668	759-94-4	0.001	0.001	0.002	0.002	H	Thiocarbamate	–
2-Ethyl-6-methylaniline	61620	24549-06-2	0.0049	0.0049	0.010	0.0098	D	Chloroacetamide	Metolachlor
Hexazinone	04025	51235-04-2	0.004	0.004	0.008	0.008	H	Triazine	–
Metolachlor	39415	51218-45-2	0.007	0.007	0.014	0.014	H	Chloroacetamide	–
Metribuzin	82630	21087-64-9	0.008	0.006	0.016	0.012	H	Triazine	–
Molinate	82671	2212-67-1	0.001	0.0013	0.002	0.0026	H	Thiocarbamate	–
Oxyfluorfen	61600	42874-03-3	0.003	0.005	0.006	0.01	H	Diphenyl ether	–
Pendimethalin	82683	40487-42-1	0.006	0.006	0.012	0.012	H	Dinitroaniline	–
Prometon	04037	1610-18-0	0.006	0.006	0.012	0.012	H	Triazine	–
Prometryn	04036	7287-19-6	0.003	0.003	0.006	0.006	H	Triazine	–
Propanil	82679	709-98-8	0.007	0.005	0.014	0.01	H	Chloroacetamide	–
Propyzamide	82676	23950-58-5	0.002	0.0018	0.004	0.0036	H	Amide	–
Simazine	04035	122-34-9	0.005	0.003	0.01	0.006	H	Triazine	–
Tebuthiuron	82670	34014-18-1	0.01	0.014	0.02	0.028	H	Phenyl urea	–
Terbuthylazine	04022	5915-41-3	0.003	0.003	0.006	0.006	H	Triazine	–
Thiobencarb	82681	28249-77-6	0.008	0.008	0.016	0.016	H	Thiocarbamate	–
Trifluralin	82661	1582-09-8	0.006	0.009	0.012	0.018	H	Dinitroaniline	–
Insecticides and degradates
Azinphos-methyl	82686	86-50-0	0.06	0.06	0.12	0.12	I	Organophosphate	–
Azinphos-methyl-oxon	61635	961-22-8	0.021	0.021	0.042	0.042	D	Organophosphate	Azinphos-methyl
Carbaryl	82680	63-25-2	0.1	0.03	0.2	0.06	I	Carbamate	–
Carbofuran	82674	1563-66-2	0.03	0.03	0.06	0.06	I	Carbamate	–
Chlorpyrifos	38933	2921-88-2	0.005	0.005	0.01	0.01	I	Organophosphate	–
Chlorpyrifos oxygen analog	61636	5598-15-2	0.025	0.025	0.05	0.05	D	Organophosphate	Chlorpyrifos
Cyfluthrin	61585	68359-37-5	0.008	0.008	0.016	0.016	I	Pyrethroid	–
lambda-Cyhalothrin	61595	91465-08-6	0.005	0.005	0.01	0.01	I	Pyrethroid	–
Cypermethrin	61586	52315-07-8	0.01	0.01	0.02	0.02	I	Pyrethroid	–
Desulfinylfipronil	62170	NA	0.006	0.006	0.012	0.012	D	Phenyl pyrazole	Fipronil
Desulfinylfipronil amide	62169	NA	0.015	0.015	0.029	0.029	D	Phenyl pyrazole	Fipronil
Diazinon	39572	333-41-5	0.003	0.003	0.005	0.005	I	Organophosphate	–
Diazinon oxygen analog	61638	962-58-3	0.0021	0.0021	0.006	0.006	D	Organophosphate	Diazinon
Dicrotophos	38454	141-66-2	0.04	0.04	0.08	0.08	I	Organothiophosphate	–
Dieldrin	39381	60-57-1	0.004	0.004	0.009	0.009	I	Organochlorine	–
Dimethoate	82662	60-51-5	0.003	0.003	0.006	0.006	I	Organothiophosphate	–
Disulfoton	82677	298-04-4	0.02	0.02	0.04	0.04	I	Organophosphate	–
Disulfoton sulfone	61640	2497-06-5	0.0068	0.0068	0.014	0.0136	D	Organophosphate	Disulfoton
alpha-Endosulfan	34362	959-98-8	0.003	0.003	0.006	0.006	I	Organochlorine	–
Endosulfan sulfate	61590	1031-07-8	0.011	0.007	0.022	0.014	D	Organochlorine	alpha-Endosulfan, beta-Endosulfan
Ethion	82346	563-12-2	0.006	0.004	0.012	0.008	I	Organothiophosphate	–
Ethion monoxon	61644	17356-42-2	0.011	0.011	0.021	0.021	D	Organothiophosphate	Ethion
Fipronil	62166	120068-37-3	0.02	0.009	0.04	0.018	I	Phenyl pyrazole	–
Fipronil sulfide	62167	120067-83-6	0.006	0.006	0.013	0.013	D	Phenyl pyrazole	Fipronil
Fipronil sulfone	62168	120068-36-2	0.012	0.012	0.024	0.024	D	Phenyl pyrazole	Fipronil
Fonofos	04095	944-22-9	0.005	0.0022	0.01	0.0044	I	Organophosphate	–
Isofenphos	61594	25311-71-1	0.003	0.003	0.006	0.006	I	Organothiophosphate	–
Malaoxon	61652	1634-78-2	0.04	0.04	0.08	0.08	D	Organophosphate	Malathion
Malathion	39532	121-75-5	0.01	0.008	0.02	0.016	I	Organophosphate	–
Methidathion	61598	950-37-8	0.003	0.003	0.006	0.006	I	Organothiophosphate	–
Methyl paraoxon	61664	950-35-6	0.005	0.005	0.01	0.01	D	Organophosphate	Methyl parathion
Methyl parathion	82667	298-00-0	0.004	0.004	0.008	0.008	I	Organophosphate	–
cis-Permethrin	82687	61949-76-6	0.007	0.007	0.014	0.014	I	Pyrethroid	–
Phorate	82664	298-02-2	0.01	0.01	0.02	0.02	I	Organophosphate	–
Phorate oxon	61666	2600-69-3	0.013	0.013	0.027	0.027	D	Organophosphate	Phorate
Phosmet	61601	732-11-6	0.1	0.017	0.2	0.034	I	Organothiophosphate	–
Phosmet oxon	61668	3735-33-9	0.0079	0.0079	0.0511	0.0511	D	Organothiophosphate	Phosmet
Propargite	82685	2312-35-8	0.01	0.01	0.02	0.02	I	Miscellaneous	–
Tefluthrin	61606	79538-32-2	0.005	0.005	0.01	0.01	I	Pyrethroid	–
Terbufos	82675	13071-79-9	0.009	0.009	0.018	0.018	I	Organophosphate	–
Terbufos oxygen analog sulfone	61674	56070-15-6	0.022	0.022	0.045	0.045	D	Organophosphate	Terbufos
Other compounds
Dichlorvos	38775	62-73-7	0.01	0.01	0.02	0.02	F, D	Organophosphate	Naled
Ethoprop	82672	13194-48-4	0.008	0.008	0.016	0.016	N, I	Organophosphate	–
Fenamiphos	61591	22224-92-6	0.015	0.015	0.029	0.03	N	Organothiophosphate	–
Fenamiphos sulfone	61645	31972-44-8	0.027	0.027	0.053	0.053	D	Organothiophosphate	Fenamiphos
Fenamiphos sulfoxide	61646	31972-43-7	0.04	0.04	0.08	0.08	D	Organothiophosphate	Fenamiphos
1-Naphthol	49295	90-15-3	0.02	0.018	0.04	0.036	D	Carbamate, Chloroacetamide	Carbaryl, Napropamide
Tribufos	61610	78-48-8	0.018	0.009	0.035	0.018	Def	Organothiophosphate	–

Reconnaissance of Contaminants in Selected Wastewater-Treatment-Plant Effluent and Stormwater Runoff Entering the Columbia River, Columbia River Basin, Washington and Oregon, 2008–10

Reconnaissance of Contaminants in Selected Wastewater-Treatment-Plant Effluent and Stormwater Runoff Entering the Columbia River, Columbia River Basin, Washington and Oregon, 2008–10 