AIR POLLUTION PRIMARY POLLUTANTS ARE RELEASED VIA HUMAN ACTIVITY, EX. SOOT (SMALL PARTICULATES)FROM SMOKE

AIR POLLUTION SECONDARY POLLUTANTS ARE COMBINED PRIMARY POLLUTANTS EX. GROUND LEVEL OZONE – COMBUSTION ENGINE EMISSIONS MIX WITH UVA RAYS FROM SUN. 100’S OF 1000’S OF TONS OF POLLUTANTS ENTER AIR EACH DAY.

AIR POLLUTION HISTORY OF AIR POLLUTION POLLUTION REPORTED FROM ROME 2000 YEARS AGO. BURNING OF SEA COAL (VERY SOFT) PROHIBITED IN 1300 C.E. BECAUSE OF DIRTY AIR.

AIR POLLUTION CLEAN AIR ACT. LED TO ELIMINATION OF LEAD FROM GAS. MOTOR VEHICLE EMISSIONS 1/3 OF ALL POLLUTION FROM BURNING GASOLINE. CONTROLLING VEHICLE EMISSIONS EPA GIVEN POWER TO REGULATE VEHICLE EMISSIONS IN 1970 VIA THE CLEAN AIR ACT. LED TO ELIMINATION OF LEAD FROM GAS. LED TO USE OF CATALYTIC CONVERTERS TO CLEAN \ EXHAUST.

Primary Pollutants

AIR POLLUTION SMOG CREATED BY CHEMICAL REACTION WHEN MOTOR VEHICLE EMISSIONS, SUNLIGHT, AIR AND OZONE ARE COMBINED. MAIN SOURCES: M.V. EMISSIONS AND INDUC

Smog

AIR POLLUTION REGULATING INDUSTRY EMISSIONS CLEAN AIR ACT ALSO REQUIRES ELECTROSTATIC PRECIPITATOR’S USE. E.P.’S EACH YEAR E.P.’S REMOVE 20 MILLION TONS OF ASH FROM COAL BURNING POWER PLANTS.

AIR POLLUTION CLEAN AIR ACT REQUIRES INDUSTRY TO USE SCRUBBERS. WORK BY SPRAYING EMISSION GASES WITH WATER. WET, HEAVY SLUDGE FALLS AND IS REMOVED, CLEANER AIR IS RELEASED.

Regulating Air Pollution From Industry

TEMPERATURE INVERSIONS What happens as you move up a mountain? (as altitude increases) It gets colder What is an inversion Flipped around Since the air above is warmer than the air below the pollutants are trapped near the Earths surface TEMPERATURE INVERSIONS CREATE DANGEROUS AIR POLLUTION CONDITIONS.

Temperature Inversions