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HSChapter 26
Residues and sludges arising from the production or use of leaded gasoline and antiknock compounds — including tetraethyl lead formulations — represent a narrow, specialized waste stream that has diminished significantly as leaded fuel has been phased out globally. The United Kingdom is the sole recorded US supplier under this heading, likely reflecting legacy refinery and chemical plant cleanup streams. The US schedule includes a separate line (2620210050) for sludges with recoverable gold content, which can arise when precious metals were used as process catalysts. Given the hazardous nature of lead-bearing materials, EPA and DOT regulations governing hazardous waste imports are relevant alongside customs requirements.
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Beyond customs entry, lead-bearing hazardous waste imports may be subject to EPA regulations under the Resource Conservation and Recovery Act (RCRA) and require prior notification and consent procedures. DOT hazardous materials transport rules also apply. Importers should engage both a licensed customs broker and environmental compliance counsel before arranging shipment.
Line 2620210050 captures sludges that contain recoverable gold, which can occur when precious-metal catalysts were used in refinery or chemical processes alongside antiknock compounds. The separate line allows customs to track the precious-metal content for valuation and statistical purposes, and the gold content may affect the commercial value and processing destination of the material.
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Monthly import values over time
| Country | Imports | Exports | Balance |
|---|---|---|---|
| UNITED KINGDOM | -- | -- | -- |
| BELGIUM | -- | -- | -- |