Search Results for 1984 2127

 
Disposal of Environmentally Damaging Fluids

.... CFMs), then used in the United States as both a refrigerant (freon) and as a propellant for commercial products (Van Norstrand's, 1984, 2127). ....

1286 Words 5 Pages

Production and Control of Ozone Abstract T

.... Introduction The ozone (O3) layer refers to the layer within Earth's upper atmosphere lying between 50,000 to 120,000 feet (Ozone layer, 1984, 2127). ....

2045 Words 8 Pages

OZONE LAYER DEPLETION AND ITS EFFECTS

.... a 5 percent depletion is not expected until about the year 2000 (10:2127). .... 10. Van Norstrand's Scientific Encyclopedia.New York, Van Norstrand Reinhold.1984.

1836 Words 7 Pages