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Technology Factsheet

Abrasive Blasting Technique

Category: Decontamination > Mechanical Surface Removal > Shot Blasting
Reference # : Model No : 1-20D

This technology consists of a portable blast cleaning system, normally used to prepare concrete surfaces for application of coatings. It is composed of a rotating blast wheel that scours the concrete surface with metal abrasive. The metal abrasive, pulverized concrete dust, and contaminants rebound into a separator chamber. The reusable metal abrasive is recycled, and the pulverized media are removed to an integral dust collection system. The exhaust is HEPA filtered to minimize release of airborne contaminants. " Large Area Dry Decontamination Technology"

Benefits

This technique can be successful and cost-effective in decontaminating large areas of low contamination; however, careful characterization and planning are necessary.

Limitations

This technique has limited success in reducing contamination around the cracks and seams in the concrete.

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