New York Codes, Rules and Regulations
Title 21 - Miscellaneous
Chapter XXIV - The Port Authority Of New York And New Jersey
Subchapter A - Vehicular Crossings
Article 2 - Transportation of Hazardous Material
Part 1211 - Regulations Applying To Lincoln Tunnel, Holland Tunnel, George Washington Bridge Lower Level And George Washington Bridge Expressway
Flammable Liquids-Tunnel, G.W.B. Lower Level and G.W.B. Expressway Restrictions
Section 1211.73 - Ethylene imine, inhibited and propylene imine, inhibited

Ethylene imine, inhibited and propylene imine, inhibited are restricted to a maximum quantity per vehicle* of 10 gallons or 100 pounds gross weight provided, however, such liquids are packed in wooden boxes, with inside glass containers not exceeding 16 fluid ounces or one pound each, in tightly closed metal cans, with not more than five pints of liquid packed in each outside wooden box. There are no restrictions on the transport of empty containers which last contained ethylene imine, inhibited or propylene imine, inhibited provided the accompanying shipping papers show that they are drained of the liquid and securely closed.