Figure 4.
Average mass loading (mg/d/1000 people) of quantified NPSs to the WWTPs in four rural communities in Illinois. MMMP: 2-methyl-4′-(methylthio)-2-morpholinopropiophenone; mCPP: 1-(3-chlorophenyl) piperazine; 5IT: 5-(2-aminopropyl) Indole.
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