The long-term component of the rating on Roaring Fork Municipal Products LLC class A certificates series 2006-6 is based on the 'AAA' rated, FGIC-insured Sacramento County Sanitation Districts Financing Authority, Calif. revenue bonds series 2006. The short-term component of the rating is based on a liquidity facility provided by Bank of New York scheduled to expire on July 9, 2007. The long-term rating on the class B certificates of series 2006-6 is based on the 'AAA' rated, FGIC-insured Sacramento County Sanitation Districts Financing Authority, Calif. revenue bonds series 2006. The stable outlook is based on the insurance provider.