The notes were rated Ba3, below investment grade, by Moody's Investors Service.

Noncallable for five years, the notes are rated Ba-3/BB+.

Noncallable for three years, the notes are rated B-2/B-.

No municipal notes are now rated any lower, the agency said.

The notes are rated A- by Duff & Phelps.

Noncallable for five years, the notes are rated B-3 by Moody's.

The notes, which are issued annually, were rated MIG-1 last year.

The notes are rated B-, which is junk-bond status.

Noncallable for life, the notes are rated triple-A by Moody's.

The noncallable notes are rated A+ by Standard & Poor's.