Appendix XIII - Appendix XIII to Part 266—Mercury Bearing Wastes That May Be Processed in Exempt Mercury Recovery Units
These are exempt mercury-bearing materials with less than 500 ppm of 40 CFR Part 261, appendix VIII organic constituents when generated by manufacturers or users of mercury or mercury products.
1. Activated carbon 2. Decomposer graphite 3. Wood 4. Paper 5. Protective clothing 6. Sweepings 7. Respiratory cartridge filters 8. Cleanup articles 9. Plastic bags and other contaminated containers 10. Laboratory and process control samples 11. K106 and other wastewater treatment plant sludge and filter cake 12. Mercury cell sump and tank sludge 13. Mercury cell process solids 14. Recoverable levels of mercury contained in soil