NY -- Standard&Poor's CreditWire 10/15/98 – Standard&Poor's today assigned its triple-'A' rating to Portland, Ore.'s multifamily housing revenue bonds (Yards At Union Station, Phase B Project) series 1998 dated Oct. 1, 1998. The bonds are scheduled to sell Oct. 22, 1998. The rating reflects: -- FNMA credit enhancement of the mortgage backing the bonds through a collateral agreement and mortgage-backed security (MBS) guarantee; -- Triple-'A' rated investments; and -- Cash flows evidencing the full and timely payment of debt service and program fees. Bond proceeds will be used to fund a $23 million mortgage that is backed by an FNMA collateral agreement upon closing on the bonds. FNMA pledges under the collateral agreement to cover missed