Question #141348
What is the concentration in ppm of PCB's in a chemical spill, if there is 60 mg in 460 kg of soil?
1
Expert's answer
2020-11-09T11:52:04-0500

1 ppm = 1 mg/kg

60460=0.13  ppm\frac{60}{460} = 0.13 \;ppm


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