SAN FRANCISCO (Standard&Poor's) May 16, 2014--Standard&Poor's Ratings Services revised its outlook to negative from stable and affirmed its 'AA' long-term rating on Seattle, Wash.'s existing solid waste revenue bonds. At the same time, Standard&Poor's assigned its 'AA' long-term rating to the city's series 2014 solid waste revenue bonds. "The negative outlook reflects our view of the city's planned drawdown in liquidity of the solid waste system to pay for capital projects," said Standard&Poor's credit analyst Robert Hannay. "If liquidity within the fund falls to a low level during the next two years, we could lower the rating," Mr. Hannay added. The bonds are being issued to provide about $58.7 million in capital