File:Sea urchin test method - water pollution - EPA.png
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Sea_urchin_test_method_-_water_pollution_-_EPA.png (448 × 284 pixels, file size: 142 KB, MIME type: image/png)
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current | 16:52, 25 December 2018 | ![]() | 448 × 284 (142 KB) | Moreau1 | == {{int:filedesc}} == {{Information |Description={{en|1=View of laboratory method utilizing a purple sea urchin to test for water pollution (whole effluent toxicity method).}} |Source= US Environmental Protection Agency (EPA). [https://www.epa.gov/cwa-methods/whole-effluent-toxicity-methods "Whole Effluent Toxicity Methods."] |Date=2018-04-19 |Author= US Environmental Protection Agency, Washington, DC |other_versions= }} == {{int:license-header}} == {{PD-USGov-EPA}} [[Category:Bioindicator... |
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