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p. 1/1 ENV 4001: E NVIRONMENTAL S YSTEMS E NGINEERING Spring 2011 University of South Florida Homework #9 Civil & Environmental Eng. Due: Wednesday, Apr. 13 Prof. J. A. Cunningham Each homework assignment will be graded on a 100-point scale. Point values for this assignment are indicated for each question. 1. a. (10 pts) Define or describe primary standards and secondary standards as defined by the Clean Air Act. Compare these to primary and secondary standards for drinking water as defined under the Safe Drinking Water Act. How are they conceptually similar? In what important respect(s) are they different? (…besides the obvious difference that one is for air and one is for water) b. (15 pts) As of 2008, there is a new National Ambient Air Quality Standard for ground- level ozone. Furthermore, the US EPA is now considering changing the standard again. What was the old (pre-2008) standard, what is the current (since 2008) standard, and what is the proposed standard? Are the recent and proposed changes likely to affect the
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This note was uploaded on 06/12/2011 for the course ENV 4001 taught by Professor Staff during the Fall '08 term at University of South Florida.

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