{"ob_id":6268,"names":[{"ob_id":3507,"name":"mass_fraction_of_black_carbon_dry_aerosol_in_air"},{"ob_id":3508,"name":"BC Mass Mixing Ratio"}],"terms":[{"ob_id":78,"label":"units","value":"1","vocabulary":""},{"ob_id":5914,"label":"long_name","value":"BC Mass Mixing Ratio","vocabulary":""},{"ob_id":5915,"label":"standard_name","value":"mass_fraction_of_black_carbon_dry_aerosol_in_air","vocabulary":"cf_standard_names"},{"ob_id":5916,"label":"var_id","value":"mmrbc","vocabulary":""}]}