NY -- Standard&Poor's CreditWire 1/21/1999 – Standard&Poor's today placed its ratings on 10 Bank of Nova Scotia LOC-backed municipal issues (see list) on CreditWatch with negative implications. The rating action follows the Dec. 18, 1998 placement of Bank of Nova Scotia's double-`A'-minus/`A-1'-plus ratings on CreditWatch with negative implications, Standard&Poor's said. -- CreditWire. Amount Issuer (mil. $) Rating District of Columbia Variable-rate refunding bonds series 1992 A-2 46.1 AA-/A-1+ Variable-rate refunding bonds series 1992 A-5 46.1 AA-/A-1+ Homewood Educational Building Authority, Ala. Educational facility rev bnds (Samford Univ) ser 1996 32.0 AA-/A-1+ Los Angeles Department of Water&Power, Calif. Short-term revenue certificates 400.0 A-1+ Michigan Municipal Bond Authority Revenue notes series 1998D-2 122.0 SP-1+