USGS Scientific Investigations Report 2009–5119Reconnaissance of Pharmaceutical Chemicals in  Urban Streams of the Tualatin River Basin,  Oregon, 2002

Table 4. Results of pharmaceutical chemical analyses.

[Sampling site No.: Location of sampling sites are shown in figure 2. –, not detected; E, concentration is an estimate; WWTF, wastewater treatment facility; N/D, not determined]

Sampling site No.	Site type	Site name	Sample  type	Concentration (micrograms per liter)
Sampling site No.	Site type	Site name	Sample  type	Acetaminophen	Albuterol (Salbutamol)	Caffeine	Carbamazepine	Cimetidine	Codeine	Cotinine	Dehydronifedipine	Diltiazem	1,7-Dimethylxanthine	Diphenhydramine
Method detection limit:				0.0180	0.0115	0.0080	0.0054	0.0061	0.0076	0.0068	0.0077	0.0079	0.0722	0.0074
1	Urban	Fanno Creek at 56th Avenue	regular	E 0.0057	–	0.014	–	–	–	E 0.006	–	–	–	–
			duplicate	E 0.004	–	0.012	–	–	–	E 0.0040	–	–	–	–
2	Urban	Fanno Creek near Allen Boulevard	regular	E 0.005	–	0.314	–	–	–	0.012	–	–	–	–
			duplicate	–	–	0.328	–	–	–	0.0091	–	–	–	–
3	Urban	Fanno Creek at Highway 99W	regular	–	–	0.022	–	–	–	0.011	–	–	–	–
4	Urban	Fanno Creek at Durham City Park	regular	–	–	0.022	–	–	–	0.012	–	–	–	–
			duplicate	–	–	0.028	–	–	–	0.015	–	–	–	–
5	Urban	Summer Creek at Fowler Middle School	regular	–	–	0.0084	–	–	–	0.008	–	–	–	–
			duplicate	–	–	E 0.0079	–	–	–	0.009	–	–	–	–
6	Urban	Unnamed Creek at Walnut Street in Tigard	regular	–	–	0.034	–	–	–	E 0.004	–	–	–	–
7	Forested	Gales Creek at Old Highway 47	regular	E 0.016	–	–	E 0.0011	–	–	–	–	–	–	–
8	Agricultural	Dairy Creek at Highway 8	regular	–	–	E 0.0031	–	–	–	–	–	–	–	–
9	Integrator	Tualatin River at Cook Park	regular	–	–	–	0.038	–	E 0.0024	0.0098	–	–	–	–
10	Integrator	Tualatin River at Boones Ferry Road	regular	–	–	–	0.046	–	E 0.0028	0.014	–	–	–	–
11	WWTF	Durham WWTF – headworks	regular	29	–	30	0.192	E 0.18	0.41	1.51	–	E 0.0974	24	E 0.372
		Durham WWTF – pre-filtration	regular	–	–	–	0.132	–	–	0.031	–	–	–	–
		Durham WWTF – post-filtration	regular	–	–	–	0.163	–	–	0.048	–	E 0.019	–	–
		Durham WWTF – effluent	regular	–	–	–	0.158	–	–	0.050	–	–	–	–
			duplicate	–	–	–	0.166	–	–	0.042	–	–	–	–
–	Quality assurance	Blank (organic blank water)	blank	–	–	–	–	–	–	–	–	–	–	–

Sampling site No.	Site type	Site name	Sample  type	Concentration (micrograms per liter)
Sampling site No.	Site type	Site name	Sample  type	Fluoxetine	Gemfibrozil	Ibuprofen	Metformin	Miconazole	Ranitidine	Sulfamethoxazole	Thiabendazole	Trimethoprim	Warfarin
Method detection limit:				0.0072	0.0064	0.0208	N/D	0.0088	0.0064	0.0321	0.0054	0.0063	0.0059
1	Urban	Fanno Creek at 56th Avenue	regular	–	–	–	–	–	–	–	–	–	–
			duplicate	–	–	–	–	–	–	–	–	–	–
2	Urban	Fanno Creek near Allen Boulevard	regular	–	–	–	–	–	–	–	–	–	–
			duplicate	–	–	–	–	–	–	–	–	–	–
3	Urban	Fanno Creek at Highway 99W	regular	–	–	–	–	–	–	–	–	–	–
4	Urban	Fanno Creek at Durham City Park	regular	–	–	–	–	–	–	–	–	–	–
			duplicate	–	–	–	–	–	–	–	–	–	–
5	Urban	Summer Creek at Fowler Middle School	regular	–	–	–	–	–	–	–	–	–	–
			duplicate	–	–	–	–	–	–	–	–	–	–
6	Urban	Unnamed Creek at Walnut Street in Tigard	regular	–	–	–	–	–	–	–	–	–	–
7	Forested	Gales Creek at Old Highway 47	regular	–	–	–	–	–	–	–	–	–	–
8	Agricultural	Dairy Creek at Highway 8	regular	–	–	–	–	–	–	–	–	–	–
9	Integrator	Tualatin River at Cook Park	regular	–	–	–	–	–	–	E 0.015	–	–	–
10	Integrator	Tualatin River at Boones Ferry Road	regular	–	–	–	–	–	–	E 0.014	–	–	–
11	WWTF	Durham WWTF – headworks	regular	E 0.0404	–	E 7.63	detected	–	E 0.264	E 0.204	–	0.0983	–
		Durham WWTF – pre-filtration	regular	–	–	–	–	–	–	–	–	–	–
		Durham WWTF – post-filtration	regular	–	–	–	–	–	–	E 0.018	–	–	–
		Durham WWTF – effluent	regular	–	–	–	–	–	–	E 0.033	–	–	–
			duplicate	–	–	E 1.77	detected	–	–	E 0.033	–	–	–
–	Quality assurance	Blank (organic blank water)	blank	E 0.0039	–	–	–	–	–	–	–	–	–

Reconnaissance of Pharmaceutical Chemicals in Urban Streams of the Tualatin River Basin, Oregon, 2002