{"ob_id":56461,"names":[],"terms":[{"ob_id":126,"label":"units","value":"ug m-3","vocabulary":""},{"ob_id":2909,"label":"long_name","value":"mass concentration of aerosols with particle size 0.1 to 3 microns","vocabulary":""},{"ob_id":2910,"label":"var_id","value":"mass_concentration","vocabulary":""}]}