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Scientific Investigations 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, 2008–10


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 ServicesSM. 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
2008 2009 2008 2009
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

First posted April 25, 2012

For additional information contact:
Director, Oregon Water Science Center
U.S. Geological Survey
2130 SW 5th Avenue
Portland, Oregon 97201
http://or.water.usgs.gov

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