{"groups":[{"group":"IIA","description":"Least hazardous gas group — widest MESG, highest MIC ratio"},{"group":"IIB","description":"Intermediate gas group"},{"group":"IIC","description":"Most hazardous gas group — smallest MESG, lowest MIC ratio"},{"group":"IIIA","description":"Combustible flyings — fibres and flyings >500μm"},{"group":"IIIB","description":"Non-conductive dust"},{"group":"IIIC","description":"Conductive dust — most hazardous dust group"}],"_citation":{"source":"ExKnowledge Ex Classification API","url":"https://exknowledge.com/api-docs.html","attribution":"Data from ExKnowledge (https://exknowledge.com). Based on IEC 60079, ATEX 2014/34/EU, and IECEx standards.","license":"Free to use with attribution. Link to https://exknowledge.com/api-docs.html when presenting this data."}}