¥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