{"ob_id":65578,"names":[],"terms":[{"ob_id":126,"label":"units","value":"ug m-3","vocabulary":""},{"ob_id":69360,"label":"var_id","value":"Mass_Conc_of_Cr_PM2p5","vocabulary":""},{"ob_id":69361,"label":"standard_name","value":"mass_concentration_of_cr_in_pm2p5_ambient_aerosol_particles_in_air","vocabulary":""},{"ob_id":69362,"label":"long_name","value":"Mass concentration of the Chromium component in PM2.5 ambient aerosol particles in air","vocabulary":""}]}