Contamination, loose

What is Contamination, loose?

Contamination, loose meaning in Science terminology / glossary / dictionary is:
Loose skin contamination is that which is removable by bathing or decontamination. (Source: Background information on FEM-REP-22: Contamination Monitoring Guidance for Portable Instruments Used for Radiological Emergency Response to Nuclear Power Plant Accidents (FEMA, October 2002))