{"aspect_id":"AS106","aspect_name":"mass-concentration","aspect_reference":null,"aspect_symbol":"\\gamma","name":"mass-concentration pound per gallon (U.S.)","scale_id":"SC838","scale_name":null,"scale_symbol":null,"scale_type":"ratio","symbol":"\\gamma lb.gal-1","unit_id":"UN177","unit_name":"pound per gallon (U.S.)","unit_reference":null,"unit_symbol":"lb.gal-1"}