Radium Scale from Pipe Cleaning from Mexico
Radioactive scale deposits containing radium-226 removed from oilfield pipes during cleaning operations. Qualifies as 2844.44.00.00 radioactive residues under Chapter Note 4(f).
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Classify as NORM if <74 Bq/g to potentially avoid Chapter 28; use low-specific-activity packaging; document origin to distinguish from mill tailings