Scientific Investigations Report 2012–5068
Table 14. Currently used pesticides and degradates detected in filtered wastewater-treatment-plant effluent, Columbia River Basin, Washington and Oregon, December 2009.
[Station names are shown in table 2. Concentrations reported in micrograms per liter. See table A4 for a listing of pesticides analyzed and their reporting limits. Present, presence is verified, but concentration is not quantified; sometimes the reporting limit for an individual sample is raised because of matrix interference, these instances of non-detection are shown as less than (<) the raised reporting limit. Abbreviations: E, estimated; –, not detected]
First posted April 25, 2012
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