For type of phosphate rock used in the unit, report the following required information:

• Origin (select from the pick list)
• Annual amount of Phosphoric acid production produced
• Annual arithmetic average percent inorganic carbon OR the annual arithmetic average percent carbon dioxide (derived from monthly sampling records)
• Annual amount of rock consumed
• Indicate by month:
  • if the inorganic carbon content value was a substitute data value?
  • if yes, the method used to estimate any missing values of inorganic carbon content

  • if the mass consumed value was a substitute data value?