{"ob_id":65495,"names":[],"terms":[{"ob_id":35958,"label":"long_name","value":"P","vocabulary":""},{"ob_id":64470,"label":"units","value":"","vocabulary":""},{"ob_id":67596,"label":"var_id","value":"8","vocabulary":""},{"ob_id":69258,"label":"standard_name","value":"the concentration of total P in PM2.5","vocabulary":""}]}