NEW YORK (Standard&Poor's CreditWire) July 30, 1999--Standard&Poor's today assigned its double-'A' rating to Albuquerque, N.M.'s $24.11 million GO bonds series 1999C due July 1, 2009. The bonds are scheduled to sell Aug. 2, 1999. At the same time, Standard&Poor's affirmed its double-'A' rating on the city's outstanding GO general purpose and sewer bonds. The rating reflects: -- An expanding and diverse economic base, -- Average wealth and income indicators, -- Moderate debt levels, and Sound financial performance. The bonds are secured by unlimited ad valorem property taxes. Albuquerque (population 436,400) is New Mexico's largest city and economic center. Services and trade (55.6% of labor force), government (19%), and manufacturing (8.8%) represent the economic core