¥zum Beispiel:
–laws & regulations
¥required abatement equipment
¥worker safety equipment
¥product contamination standards
¥MPCs
¥land use ordinances
¥best available science
¥positive aspects:
–internalize some of external costs
–protect individuals from irresponsible
acts of others
–often more fair and just than outright
prohibition
–Òlevel the
playing fieldÓ