green trees line both banks of the sacramento river. the yellow tower bridge crosses the blue water leading to the tall buildings of the sacrament skyline. the scene is set against a clear blue sky.

Definitions of Terms and Concepts: Speciation Profiles Used in ARB Modeling

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Descriptions and definitions of terms and concepts used in conjunction with the speciation profiles. 

ROG_DFN - Definitions of reactive organic gas and VOC

ORG_TERMS - Organic terms & relationships

FACT_SHEETS - Organic emissions inventory and atmospheric modeling

Abbreviations, acronyms, table and field names