NEW YORK — New York City will release a treasure trove of memos about what the city knew about the toxic air at the World Trade Center site — only if federal lawmakers can help protect the city from lawsuits after the documents are made public, the Daily News has learned. City attorneys met with staffers for Reps. Jerrold Nadler, D-N.Y., and Carolyn Maloney, D-N.Y., earlier this month, at the invitation of Mayor Eric Adams, to talk about releasing the secret 9/11-related documents that have been under lock and key since planes destroyed the twin towers, congressional sources said. The municipa…
