NY -- Standard&Poor's CreditWire 12/21/98 – Standard&Poor's today assigned its single-'A'-plus rating to Orange County, Fla.'s sales tax revenue bonds series 1999 dated Jan. 1, 1999 due Jan. 1, 2018. The bonds are scheduled to sell Jan. 5, 1999. In addition, Standard&Poor's affirmed its single-'A'-plus rating on the county's $139.65 million outstanding sales tax bonds series 1993A and B. The rating reflects the risks of potential future debt issuance secured by sales tax revenues to fund the county's capital improvement program, and the ability to issue variable-rate debt, which could be a concern given the fixed-rate nature of this tax. These risks are substantially mitigated by the following strengths: -- Excellent growth in the
