{"ob_id":66009,"names":[],"terms":[{"ob_id":126,"label":"units","value":"ug m-3","vocabulary":""},{"ob_id":70009,"label":"var_id","value":"Mass_Conc_of_Ca_PM10","vocabulary":""},{"ob_id":70010,"label":"standard_name","value":"mass_concentration_of_ca_in_PM10_ambient_aerosol_particles_in_air","vocabulary":""},{"ob_id":70011,"label":"long_name","value":"Mass concentration of the Calcium component in PM10 ambient aerosol particles in air","vocabulary":""}]}