ENGR 202 Study Guide - Final Guide: Radiative Forcing, Municipal Solid Waste, Sulfur Hexafluoride
25 Apr 2017
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#2 name three activities that impacts soil quality. Hazardous wastes ( solvents, organic chemicals, petroleum products, paints etc. ) #3 name three activities that impact water quality. Point sources : * outfall pipe from a factory. Non point sources: * runoff from agricultural lands. #4 if the equivalent co2 emissions are reduced from 1. 26x105 gas, what is the % reduction emission? to 7. 6x104 by replacing coal with natural ((1. 26 . 76 )/ 1. 26 ) x 100 = 39. 68 % The clean air act, which was last amended in 1990, requires epa to set national ambient air quality. Standards (naaqs) for wide-spread pollutants from numerous and diverse sources considered harmful to public health and the environment. The clean air act established two types of national air quality standards. Primary standards set limits to protect public health, including the health of sensitive populations such as asthmatics, children, and the elderly.
