{"ob_id":95744,"names":[],"terms":[{"ob_id":35923,"label":"long_name","value":"Ba","vocabulary":""},{"ob_id":64470,"label":"units","value":"","vocabulary":""},{"ob_id":69012,"label":"var_id","value":"24","vocabulary":""},{"ob_id":69287,"label":"standard_name","value":"the concentration of water soluble Ba in PM2.5","vocabulary":""}]}