id,hts_code,indent,description,unit,general_rate,special_rate,column2_rate,footnotes,chapter_id
21022,2804.29.00.30,3,Isotopically pure rare gases having a purity of 99 percent or more by volume,thousand m3,,,,,29
21023,2804.29.00.55,3,Other,thousand m3,,,,,29