This is the ValueSet that contains all the codes in Ingredient Location Terminology (http://hl7.org/fhir/us/pq-cmc-fda/ValueSet/pqcmc-product-part-ingredient-physical-location) and Ingredient Location Terminology (http://hl7.org/fhir/us/pq-cmc-fda/ValueSet/pqcmc-product-part-ingredient-physical-location). E.g. what you have to deal with if you get resources containing codes in either of them