Suitability Check List - Chloride Extraction 

  Prestress 
   Lack of electrical continuity                        
  Excess Cracking due to rebar 
   High Chloride well beyond cover depth   
   Lots of tie wire on surface                       
  Cover less than 5mm                   
Refer to Section 6.3 of the guidance document  to provide more guidance on the selection of ECE for concrete.