Which is an incorrect statement with regards to TAC?

• A. it is nuch more effective on scalp and facial wounds than extremities
• B. application is for 1 hour minutes to achieve sufficient local anaesthesia
• C. It must be kept in a locked cupboard
• D. It should not be used in wounds where adrenaline is contraindicated
• E. Significant toxicity throught mucous membranes occurs, though low dose application on mucous membranes can occur safely