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Column Name: CAS_NUM
Description: The Chemical Abstract Service (CAS) Number associated with a pollutant. Used to uniquely identify a pollutant, especially when a Pollutant Code is not provided.
Envirofacts Table Name(s):
- AFS_AFS_PLLT
- AFS_AIRPGMPLT_ATNM
- AFS_AIRPGMPLT_CLSS
- AFS_AIRPGMPLT_CMPL
- AFS_AIR_PGM_PLLT
- AFS_EMISSION_EER
- AFS_GEO_PLLT
- AFS_PLANT_ACTION
- AFS_PLANT_PLLT
- AFS_PLLT_CHEMICAL
- AFS_POINT_ACTION
- AFS_POINT_AIR_PGM
- AFS_POINT_PLLT
- AFS_SEGMENT_PLLT_1
- AFS_SEGMENT_PLLT_2
- AFS_SEGPLT_CTL_EQP
- AFS_STACK_PLLT
- Data Element: CHEMICAL-ABSTRACT-SERVICE-NUMBER Reference Table: AFS-POLLUTANT-TABLE
- Type: Character
- Length: 9
- Optional
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