{"zone":"1","type":"gas","description":"Explosive gas atmosphere likely to occur in normal operation occasionally","frequency":"10–1000 h/year","allowedEPL":["Ga","Gb"],"atexCategory":["1G","2G"],"allowedProtection":["d","e","ia","ib","m","ma","mb","o","p","px","py","q","s","sa","sb"],"standard":"IEC 60079-10-1","notes":"Most common zone for process areas. Wide range of protection methods available.","_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."}}