2. Nature of Pollutants

Question 1

1. Factors that affect the migration path of a contaminant

Answer 1

• Atm P
• Temp
• Wind currents
• Humidity
• Topography
• [pollutant]
• Precipitation
• Human intervention
• Soil composition
• Fat solubility

Question 2

2. Volatilization

Answer 2

• Liquid-air and solid-air interface
• volatile contaminants from water and solid surface into the atm
• most mobile

Question 3

3. Dissolution

Answer 3

• Solid-liquid and air-liquid interfaces

- air and solid into water

Question 4

4. Sorption

Answer 4

• Liquid-solid and air-solid interfaces

- water and air into soils and sediments

Question 5

5. How to predict the partitioning behavior of contaminants

Answer 5

an understanding of the intermolecular attractive forces between contaminants

Question 6

6. PCB

Answer 6

poly-chlorinated biphenyls a semi-volatile

Question 7

7. TPH

Answer 7

total petroleum hydrocarbons - a mixture of organic compounds, ranging from gas form to liquid form to solid form

Question 8

8.VOC

Answer 8

volatile organic compound - a class of volatile organics that stem from industrial or domestic uses

Question 9

9. PAH

Answer 9

poly-nuclear aromatic hydrocarbons - all carcinogenic and by-products of petroleum processing and combustion