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Table 1.

Initial NH4+, NO3, PO43−, and Si(OH)4 concentrations (µmol L−1) at all stations, and at time zero, in the NH4+, NO3, and effluent treatments.a DOI: https://doi.org/10.1525/elementa.2021.040.t1

NH4+NO3PO43−Si(OH)4
StationbInitialNH4+EffluentInitialNO3InitialEffluentInitialEffluent
0.8 55.4 44.6 2.9 7.9 0.6 1.5 288.6 298.3 
1.7 47.5 41.2 6.7 10.6 0.8 1.8 270.6 277.9 
56.7 c — 2.2 — 7.8 — 278.3 — 
NH4+NO3PO43−Si(OH)4
StationbInitialNH4+EffluentInitialNO3InitialEffluentInitialEffluent
0.8 55.4 44.6 2.9 7.9 0.6 1.5 288.6 298.3 
1.7 47.5 41.2 6.7 10.6 0.8 1.8 270.6 277.9 
56.7 c — 2.2 — 7.8 — 278.3 — 

aTreatments were targeted to concentrations measured using underway instrumentation during sampling transects.

bStations A and B are located upstream of the SRWTP outfall (Figure 1); Station C is downstream from the outfall.

cdash indicates no amendment made.

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