C-hom poov tshuaj perchlorate yog siv nyob rau hauv nroog foob pob hluav taws nrog cov pa oxygen muaj zog thiab muaj kev nyab xeeb zoo.Nws kuj tseem siv rau hauv cov khoom siv hluav taws kub, cov hnab looj tes tiv thaiv, cov pa roj carbon dioxide excitation raj, teeb liab flares, thiab lwm yam kev siv.