The most important ruling threatened an increasingly popular approach to waste disposal known as flow control, in which local governments try to make expensive recycling or incineration plants economical by insisting that all trash generated within their borders be sent to the designated facility.

Mr. Bloomberg called his plan for disposing of the roughly 11,000 tons of residential trash generated by New Yorkers each day a "conceptual outline," and it raised at least as many questions as it answered.

A State Appeals Court ruled last June that neither the county nor its garbage districts was required to accept all the trash generated in the county.

Challenge to Ordinance The case is a challenge brought under the commerce clause to an ordinance that requires all trash generated in the town to be taken to a designated facility for sorting rather than shipped elsewhere.

The property owners had allowed sunbathers on the beach for years, but became annoyed by the loud noises and trash generated by what became a crush of visitors.

Microsoft accused its rivals today of masterminding an attempt to buy trash generated by a Microsoft-backed lobbying organization, apparently hoping the trash would yield valuable information on the company.

Robert G. Myers, senior environmental analyst for the State Department of Environmental Protection, said the plants would consume 93 percent of the 2.6 million tons of trash now generated in Connecticut.

At that point, a company, Waste Alternatives, was formed to remove trash generated by businesses here.

The analysis done by the office, the city's nonpartisan fiscal monitor, is likely to add to the growing debate over what to do with the 50,000 tons of household and commercial trash generated in New York every day.

The safe and permanent disposal of the radioactive trash generated by the weapon program over the last four decades is one of the Government's most vexing technical problems.