- Surface cleanings to remove fouling organisms which have the potential to remove TBT paint along with the organisms themselves;
- Paint chips and other paint remnants, either dry from scraping, sanding, etc.; or in washwater, water used in wet blasting;
- Dissolved TBT and degradation products, in washwater and water used in wet blasting;
- Contaminated sand or grit used in blasting; and
- TBT removed from waste materials by physical means, such as filtration or water treatment.
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