Limit by calendar year: 2011 All
| TUALATIN-14_ocr.pdf | 97 |
| May 2011 | June 2011 | July 2011 | August 2011 | September 2011 | October 2011 | November 2011 | December 2011 | January 2012 | February 2012 | March 2012 | April 2012 | May 2012 | |
| TUALATIN-14_ocr.pdf | 0 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 1 | 1 | 25 | 27 | 15 |
| Summary and assessment of toxics data for the Tualatin River | 125 |
| United States of America | 47 |
| Korea | 22 |
| China | 20 |
| Canada | 8 |
| Switzerland | 8 |
| United Kingdom | 5 |
| Thailand | 5 |
| Hong Kong | 3 |
| Sweden | 2 |
| Romania | 1 |
| Seoul | 22 |
| Beijing | 14 |
| Corvallis | 10 |
| Saint Gallen | 8 |
| Seattle | 6 |
| Washington | 6 |
| Bangkok | 5 |
| Laval | 5 |
| Southampton | 5 |
| Hillsboro | 3 |