Section 734.640  Apportionment of Costs

a)         The Agency may apportion payment of costs if:

1)         The owner or operator was deemed eligible to access the Fund for payment of corrective action costs for some, but not all, of the underground storage tanks at the site; and

2)         The owner or operator failed to justify all costs attributable to each underground storage tank at the site.   [415 ILCS 5/57.8(m)]

b)         The Agency will determine, based on volume or number of tanks, which method of apportionment will be most favorable to the owner or operator.  The Agency will notify the owner or operator of such determination in writing.