What defines bulk packaging?

Bulk packaging is defined by the amount of material it can hold, specifically in relation to liquid and solid hazardous materials. The key aspect of bulk packaging is its internal capacity. When the internal capacity of a package exceeds 119 gallons, it is classified as bulk packaging. This classification is essential in the handling and transportation of hazardous materials, as bulk packaging requires different regulations and handling protocols compared to smaller packages.

The other choices presented do not correctly define bulk packaging according to regulations. A weight limitation of 50 pounds pertains more to smaller packages and does not apply to bulk standards. Similarly, a capacity of less than 450 liters also indicates a small package, as it does not meet the threshold for bulk classification which starts at 119 gallons (approximately 450 liters). Lastly, a water capacity of 500 pounds relates to the mass that can be contained in a package but does not define the packaging standard itself, as the definition focuses on volume capacity rather than weight.