Which of the following statements is true about packaging of hazardous materials?
- (A) Gases must not be mixed.
- (B) Effectiveness of package must not be substantially reduced.
- (C) It is permissible to pack different dangerous goods and non-dangerous goods together in one outer packing as long as they do not hazardously react together
- (D) Hazardous materials must be checked for compatibility with their packaging.
- (E) All of the above
