CIWM (WAMITAB) Level 4 Medium Risk Operator Competence for Open Windrow Composting (MROC3)

Suitable for the following activities:

• Composting in Open Windrows

CIWM (WAMITAB) Level 4 Medium Risk Operator Competence for Closed Vessel Composting (MROC4)

Suitable for the following activities:

• Composting in Closed Vessels 
  

CIWM (WAMITAB) Level 4 Medium Risk Operator Competence for Anaerobic Digestion (MROC5)

Suitable for the following activities:

• Anaerobic Digestion Facility including use of the resultant biogas
• On farm anaerobic digestion facilities including the use of the resultant biogas 

CIWM (WAMITAB) Level 4 Medium Risk Operator Competence for Storage of Non-Hazardous Wastes  (MROC6) - Wales Only

Suitable for the following activities:

• Storage of digestate from anaerobic digestion plants

CIWM (WAMITAB) Level 4 Medium Risk Operator Competence for Storage of Non-Hazardous Wastes  (MROC6b) - England Only

Suitable for the following activities:

• Storage of Wastes to be used in Land Treatment
  

CIWM (WAMITAB) Level 4 Medium Risk Operator Competence for Non-Hazardous Sludge and Land Spreading (MROC10)

Suitable for the following activities:

• Mobile plant for land spreading (land treatment resulting in benefit)
• Mobile plant for land spreading of sewage sludge (land treatment resulting in benefit)
• Non-hazardous sludge – biological, chemical & physical treatment

CIWM (WAMITAB) Level 4 Medium Risk Operator Competence for Dredgings Management (MROC11)

Suitable for the following activities:

• Deposit in lagoons of non-hazardous dredging from waterways
• Storage and treatment of dredging for recovery

CIWM (WAMITAB) Level 4 Medium Risk Operator Competence for Mechanical Biological Treatment (MROC18)

Suitable for the following activities:

• Mechanical Biological Treatment (MBT)