Trace wastes are defined as wastes containing less than what percent by weight of the original quantity?

• A. 3%
• B. 5%
• C. 10%
• D. 20%

Answer: (A)

In waste management, very small leftovers of a product are categorized by how much of the original quantity remains. A trace waste is defined as a residue that weighs less than 3% of the original amount. This small cutoff gives a clear, uniform rule that helps determine how the waste should be handled—minimizing regulatory burden for negligible amounts while signaling that larger residues need more stringent disposal procedures. The 3% by weight standard is used because it reflects a practically measurable, consistently applied threshold across different container sizes and products.