What is the difference between Gross Decontamination and Technical Decontamination?

What is the difference between Gross Decontamination and Technical Decontamination?

• A. Gross Decontamination is the immediate removal of large contaminants; Technical Decontamination is more thorough removal of contaminants
• B. Gross Decontamination uses chemical agents; Technical uses physical methods
• C. Gross Decontamination is for personnel only; Technical is for the scene
• D. Gross Decontamination is slower; Technical is faster

Answer: (A)