Atlantic Richfield Co. and ARCO Environmental Remediation, L.L.C. – $5.99 million BP Products North America Inc. – $2.63 million E.I. Du Pont De Nemours and Co. – $10.51 million Exxon Mobil Corp. – $2.52 million GATX Corp. – $2.42 million Georgia-Pacific Corp. – $2.52 million ISPAT-Inland Inc. – $8.30 million United States Steel Corp. – $21.47 million