RCRA Hazardous Waste (US, 40 CFR 261)
Spent firebrick and refractory materials are not a federal hazardous waste under RCRA unless they contain hazardous contaminants. Clean refractories are often recovered.
Also searched as: refractory brick, kiln brick, furnace brick
No federal hazardous waste code
Firebrick & Refractory Materials does not carry a federal RCRA hazardous waste code. It is regulated as solid waste under state and local rules, and specifics depend on your state environmental agency.
Not being federally hazardous does not mean it has no value — clean firebrick & refractory materials is often a recovered commodity with active buyers.
RCRA classifies waste by source, process, and characteristics — not just material. Pick the row that matches how your firebrick & refractory materials arises; each coded row links to the full waste code definition under 40 CFR Part 261.
Clean spent firebrick
Inert material — not RCRA hazardous
Refractories with hazardous metal content
The metal code governs
Source: 40 CFR Part 261 — Identification and Listing of Hazardous Waste
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