NYC Zoning Handbook: Appendix E
Manufacturing Districts: Permitted Uses
 Uses in Use Groups 11A, 16, 17 and 18 are required to comply with
the performance standards set forth in Section 42-20 to minimize adverse
environmental impacts on neighboring areas.
 In M1 Districts with the suffix D, limited new residential uses on
smaller sites that meet specific criteria are permitted by City Planning
 Certain retail developments that are over 10,000 square feet require
a City Planning Commission special permit.
 In M1-5A or M1-5B districts, joint living-work quarters for artists
are permitted in buildings (of certain sizes) erected prior to December
15, 1961. In M1-5M and M1-6M districts, conversion of non-residential
buildings erected prior to December 15, 1961 is permitted provided that
a specified amount of floor area is preserved for commercial and
 Certain retail uses are prohibited or limited to developments of
10,000 square feet or less.