Past Exam for ENSC 3604 - Fund Environ Science with Zipper at Virginia Tech (VT)

Exam Information

Material Type:Exam 3
Class:ENSC 3604 - Fund Environ Science
Subject:Environmental Science
University:Virginia Polytechnic Institute And State University
Term:Fall 2002
  • Particulates
  • Phosphorous
  • Concentration
  • Point Sources
  • Behind (of)
  • Environment
  • The Environment
  • Explanation
  • Perspective
  • Macronutrient
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Sample Document Text

ENSC 3604 -Test Three - 19 November 2002 3 parts -- 100 points total - 20 percent of final grade NAME: ____________________ Form A Part 1. 21 questions. 1.5 points each. 31.5 total points. 1. Which of the following statements correctly describes current US government policy towards release of chemicals to the environment: 1. No chemical may be released to the environment unless it undergoes a rigid program of toxicity testing that proves the chemical is safe. 2. Any chemical known to be toxic to humans or other organisms may not be released to the environment. 3. US environmental regulations seek to limit environmental release of chemicals known to be toxic, so as to restrict human toxicity risks to the range of 1 in 100,000 (10 -5 ) to 1 in a million (10 -6 ). 4. Chemicals intended for use in food and skin-applied cosmetic products are tested for toxic effects, but environmental chemicals (i.e. those that may be released to the air or water) are not. 5. Both ...

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