{"ob_id":65584,"names":[],"terms":[{"ob_id":126,"label":"units","value":"ug m-3","vocabulary":""},{"ob_id":69378,"label":"var_id","value":"Mass_Conc_of_Pb_PM2p5","vocabulary":""},{"ob_id":69379,"label":"standard_name","value":"mass_concentration_of_pb_in_pm2p5_ambient_aerosol_particles_in_air","vocabulary":""},{"ob_id":69380,"label":"long_name","value":"Mass concentration of the Lead component in PM2.5 ambient aerosol particles in air","vocabulary":""}]}