Defintion of a Non-bulk package:

1 .A maximum capacity of 119 gallons or less as a receptacle for a liquid.

2. A mazimum net  mass of 882 pounds or less and a maximum capacity of 119 gallons or less as a receptacle fo a solid.

3. A water capacity of 1000 pounds or less as a receptavle for a gas.

Placards are not required on a transport vehicle if the aggregate gross weight of the Hazardous Material described by table 2 is less than 1,001 pounds.

If you transport a Hazardous Material from Class 3 and the amount is 79 gallons, placards are not required to transport this product.

Remember this only applies to TABLE 2 product.

Reference from CFR code.