Therefore, we could be liable under CERCLA for the cost of cleaning up such hazardous substances at
such sites and for damages to natural resources, even if those substances were deposited at our facilities
before we acquired or operated them. The costs of a CERCLA cleanup can be very expensive. Given the
diÇculty of obtaining insurance for environmental impairment liability, such liability could have a
material impact on our business and Ñnancial condition. For a further discussion, see ""Ì Liability
Insurance and Bonding.''
(3) The Federal Water Pollution Control Act of 1972, as amended. This Act regulates the
discharge of pollutants from a variety of sources, including solid waste disposal sites, into streams, rivers
and other waters of the United States. Point source runoÅ from our landÑlls and transfer stations that is
discharged into surface waters must be covered by discharge permits that generally require us to conduct
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