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 A3. Reporting limits and intended uses of pharmaceuticals analyzed in filtered wastewater-treatment-plant effluent, Columbia River Basin, Washington and Oregon, 2008–09. 

[Shading indicates a detection in wastewater-treatment-plant effluent 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. Common name and Intended use: From Rounds and others, 2009; Symbol: –, not applicable] 

Analyte	CAS  No.	Method  detection limit		Reporting  limit		Common name	Intended use
Analyte	CAS  No.	2008	2009	2008	2009	Common name	Intended use
Acetaminophen	103-90-2	0.04	0.06	0.08	0.12	Tylenol®	Analgesic
Albuterol	18559-94-9	0.03	0.04	0.06	0.08	Ventolin®, Airomir™ MDI	Bronchodilator (for asthma)
Caffeine	58-08-2	0.1	0.03	0.2	0.06	NoDoz®	Stimulant
Carbamazepine	298-46-4	0.02	0.03	0.04	0.06	Epitol®, Tegretol®	Anticonvulsant; antimanic (mood stabilizer)
Codeine	76-57-3	0.02	0.023	0.04	0.046	Robitussin® AC	Opioid narcotic; cough suppressant
Cotinine	486-56-6	0.01	0.019	0.026	0.038	–	Metabolite of nicotine
Dehydronifedipine	67035-22-7	0.04	0.04	0.08	0.08	–	Metabolite and photodegradation product of nifedipine (arterial dilator; antihypertensive)
Diltiazem	42399-41-7	0.04	0.03	0.08	0.06	Cardizem®	Antianginal; antiarrhythmic; antihypertensive
1,7-Dimethylxanthine	611-59-6	0.06	0.05	0.12	0.1	–	Metabolite of caffeine
Diphenhydramine	147-24-0	0.02	0.018	0.04	0.036	Benadryl®, Allerdryl	Antihistamine; sedative
Sulfamethoxazole	723-46-6	0.08	0.08	0.16	0.16	Bactrim™, Septra® (component)	Antibiotic; antibacterial
Thiabendazole	148-79-8	0.03	0.03	0.06	0.06	Arbotect®, Mertect®	Systemic antifungal; livestock antiparisitic
Trimethoprim	738-70-5	0.01	0.017	0.02	0.034	Bactrim, Septra (component)	Antibiotic; antibacterial
Warfarin	81-81-2	0.05	0.04	0.1	0.08	Coumadin®	Anticoagulant

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 