Determine and report PCB concentrations on a weight-per-weight basis (such as ppm or mg/kg). You may determine and report the PCB concentration of liquids on a weight-per-volume basis (such as mg/L) if you also determine and report the density of the liquid
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Determine and report PCB concentrations on a weight-per-weight basis (such as ppm or mg/kg). You may determine and report the PCB concentration of liquids on a weight-per-volume basis (such as mg/L) if you also determine and report the density of the liquid