These regulations govern airports noise exposure maps and noise compatibility programs.
Part 161 (Title 14 of Code Of Federal Regulations)
Regulations governing Airport Noise and Capacity Act of 1990
Airport Noise Law – Airport Noise & Capacity Act 1990
A great article describing ANCA in broad strokes.
FAA order 5190.6B FAA Airport Compliance Manual
H.R.5835 – Omnibus Budget Reconciliation Act of 1990
Included in here under Title 9: Subtitle B: Aviation Safety and Capacity Expansion – Aviation Safety and Capacity Expansion Act of 1990 – Amends the Airport and Airway Improvement Act of 1982 to include as an “airport development” activity the acquisition of land for, or work involved to construct, a burn area training structure on