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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 27. Oregon Senate Bill 737 priority persistent pollutants detected in wastewater-treatment-plant (WWTP) effluent, Columbia River Basin, Washington and Oregon, 2008–09.


[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. Plan initiation level (PIL; SB 737): From Oregon Department of Environmental Quality (2010a). Abbreviatons: µg/L, micrograms per liter; E, estimated]


CAS No. Chemical name Plan

initiation level
(µg/L)
Number of WWTPs with detections Number of WWTPs with detections

greater than PIL
Range of

detections
(µg/L)
WWTPs

with detections
Detected in WWTP effluent at concentrations greater than the PIL
57-88-5 Cholesterol 0.06 9 9 Present–E 6.3 see table 9
360-68-9 Coprostanol 0.04 9 9 Present–E 5.8 see table 9
120-12-7 Anthracene 0.01 1 1 Present St. Helens, see table 9
206-44-0 Fluoranthene 0.04 1 1 E 0.11 Wenatchee, see table 9
Detected in WWTP effluent at concentrations less than the PIL
5103-71-9 cis-Chlordane 2 9 0 0.00002–0.00019 see table 13
5103-74-2 trans-Chlordane 2 9 0 0.00001–0.00019 see table 13
2921-88-2 Chlorpyrifos 0.04 4 0 0.0000–0.00043 see table 13
60-57-1 Dieldrin 0.002 5 0 0.00001–0.00017 see table 13
120068-37-3 Fipronil 15 7 0 Present–E 0.13 see tables 13 and 14
1222-05-5 Galaxolide (HHCB) 29 9 0 0.38–2.5 see table 9
118-74-1 Hexachlorobenzene (HCB) 1 1 0 Present Umatilla, see table 13
22967-92-6 Methylmercury 0.004 7 0 0.00006–0.0004 see table 15
5103-73-1 cis-Nonachlor 2 2 0 Present –0.00001 see table 13
39765-80-5 trans-Nonachlor 2 8 0 Present–0.0001 see table 13
5436-43-1 PBDE-47 0.7 9 0 Present see table 13
60348-60-9 PBDE-99 0.7 9 0 Present–0.0048 see table 13
189084-64-8 PBDE-100 0.7 9 0 Present–0.0016 see table 13
68631-49-2 PBDE-153 1 9 0 0.00006–0.0004 see table 13
37680-73-2 PCB-101 0.5 1 0 Present Longview, see table 13
35065-29-3 PCB-180 0.5 3 0 0.00001–0.00002 see table 13
1825-21-4 Pentachloroanisole 35 5 0 Present –0.00085 see table 13
85-01-8 Phenanthrene 0.4 1 0 Present St. Helens, see table 9
129-00-0 Pyrene 0.03 3 0 Present see table 9
83-46-5 beta-Sitosterol 25 9 0 E 0.79–E 3.2 see table 9
83-45-4 beta-Stigmastanol 75 5 0 Present–E 1.1 see table 9
3380-34-5 Triclosan 70 8 0 Present–0.76 see tables 9 and 13
1582-09-8 Trifluralin 1.1 3 0 Present–0.00002 see table 13

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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