Pollution

Question 1

POP 21

Answer 1

Persistent Organic Pollutants

Do not degrade in environment
Very negative health effects

Question 2

PCB

Answer 2

In plastics, adhesives, paints
Make them malleable and flame retardant (can’t be oxidised)
Forever chemical

Question 3

DDT

Answer 3

Organochloride insecticide/ pesticides
- Used to kill malaria mosquitoes in bogs
- causes to spasm until death

Question 4

VOC

Answer 4

Volatile Organic Compounds
Solvents and fuel

Question 5

PAN

Answer 5

HC + O2 + NO2 + UV -> CH3COOONO2

• Secondary pollutant in photochemical smog
• more stable than O3 (ozone) so more transboundary
• product of air pollutant reacting with sunlight
• irritates eye glands, toxic and potent

Vehicle emissions, tobacco, fossil fuel combustion

Question 6

PM 2.5 ųm

Answer 6

Particulate matter of 2.5 micrometers
- inhale-able and sits in bottom of lungs or gaseous exchange into blood stream

Question 7

CFC

Answer 7

Chlorofluorocarbons
Ozone depleting substances

Question 8

CH4
SO2

Answer 8

Methane
Sulfur dioxide

Question 9

NVZ

Answer 9

Nitrate Vulnerable Zones

Where aquifers exposed at surface so can easily become contaminated

Question 10

LRTAP

Answer 10

Long Range Transboundary Air Pollutant