o 관련규격 및 자료 - KS C IEC 60079-10-1(폭발분위기- 제10-1부 : 폭발위험장소의 구분) - NFPA 497(Recommended practice for the classification of flammable liquids, gases, or vapors and of hazardous locations in electrical installations at chemical process areas) - EI 15(Area classification code for installations handling flammable fluids) - EN 1127-1(Explosive Atmospheres Explosion Prevention and Protection o 관련법규․ 규칙․ .....