blended rates

[lexi]

does anyone know of caselaw discussing trustees' using a "blended rate" to calculate an ER's withdrawal liability?

[Bill Ecklund]

See: 04/06/1990, U.S. District Court, District Of Columbia, Harrison COMBS, John J. O'Connell, and Paul R. Dean, as Trustees of the United Mine Workers of America 1950 and 1974 Pension Plans, Plaintiffs, v. CLASSIC COAL CORPORATION, Defendant., 58 USLW 2630, 12 EBC 1229, 1990 WL