Command and control policies

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Across
  1. 3. the President of US who signed The Clean Water Act
  2. 5. the first country that implemented command and control policies
  3. 6. how many types of environmental quality standards there are?
  4. 7. Command and control regulation requires firms to take into account the .... cost of pollution
  5. 9. the tool used in CAC approach
Down
  1. 1. Standard which refers to "never-exceed" levels for some pollutant in a particular environment
  2. 2. A principle that ensures "costs of environmental control fall on the polluters"
  3. 4. "CAC regulation is flexible".Is the statement true or false?
  4. 8. the organisation that was created in 1970 in US to oversee all environmental laws (abbr)
  5. 10. how many difficulties were pointed out with CAC?