{"ob_id":65576,"names":[],"terms":[{"ob_id":126,"label":"units","value":"ug m-3","vocabulary":""},{"ob_id":69354,"label":"var_id","value":"Mass_Conc_of_Ca_PM2p5","vocabulary":""},{"ob_id":69355,"label":"standard_name","value":"mass_concentration_of_ca_in_pm2p5_ambient_aerosol_particles_in_air","vocabulary":""},{"ob_id":69356,"label":"long_name","value":"Mass concentration of the Calcium component in PM2.5 ambient aerosol particles in air","vocabulary":""}]}