...NEW YORK (Standard & Poor's) June 12, 2015--Standard & Poor's Ratings Services today assigned its 'A-' long-term and 'A-2' short-term issue-level ratings to the California Pollution Control Financing Authority's proposed issuance of about $140.4 million solid waste disposal refunding revenue bonds. Payment on the proposed bonds will be secured pursuant to a proposed guaranty agreement, to be dated as of July 1, 2015, between the issuer of the bonds and Waste Management Inc. The bonds are expected to consist of about $84.4 million series 2015A-1 bonds due July 1, 2025; $28 million series 2015A-2 bonds due July 1, 2027; and $28 million series 2015A-3 bonds due July 1, 2040. All other ratings on Waste Management are unchanged, including the 'A-' long-term corporate credit rating. The rating outlook remains stable. For our complete corporate credit rating rationale, see the summary analysis on Waste Management Inc. published Dec. 2, 2014, on RatingsDirect. RELATED CRITERIA AND RESEARCH Related...