He resigned in 1976 to become environmental commissioner for Massachusetts.
Mr. Campbell, the environmental commissioner, was initially receptive.
Then last June, according to Friday's ruling, Patricia Aho, a deputy environmental commissioner and former lobbyist for the power company's law firm, took over as acting environmental commissioner.
Ms. Lloyd, the environmental commissioner, called the map a civic treasure.
Specialists called in by the state's environmental commissioner were far from unanimous in their support.
"The rescue operation succeeded," said Margot Wallstrom, the environmental commissioner of the European Union.
Mr. Campbell, the environmental commissioner, said his options are more limited.
"Through these measures, we think we can make sure there are no shortfalls," said Carter Strickland, the city's environmental commissioner.
The tunnel will bypass the worst of two leaks, said Caswell F. Holloway, the city's environmental commissioner.
The new law will also create a 15-member brownfield advisory board, whose chairman will be the state's environmental commissioner.
Ward, the city's environmental commissioner, who makes a point of trekking out to the region several times a month.
