{"ob_id":65594,"names":[],"terms":[{"ob_id":126,"label":"units","value":"ug m-3","vocabulary":""},{"ob_id":69408,"label":"var_id","value":"Mass_Conc_of_Zn_PM2p5","vocabulary":""},{"ob_id":69409,"label":"standard_name","value":"mass_concentration_of_zn_in_pm2p5_ambient_aerosol_particles_in_air","vocabulary":""},{"ob_id":69410,"label":"long_name","value":"Mass concentration of the Zinc component in PM2.5 ambient aerosol particles in air","vocabulary":""}]}