1. Introduction
2. Materials and Methods
    2.1 ISOCS
    2.2 MicroShield Computer Program
    2.3 Measurements Methods
3. Results and Discussions
    3.1 Nuclide Inventory
    3.2 Relative Deviation
4. Conclusion
Acknowledgments

• Jonghoa Kim(Sae-An Enertech Corporation, 184 Gasan Digital 2-ro, Geumcheon-gu, Seoul, Korea)
• Homin Jeon(Sae-An Enertech Corporation, 184 Gasan Digital 2-ro, Geumcheon-gu, Seoul, Korea)
• Jihyun Yu(Sae-An Enertech Corporation, 184 Gasan Digital 2-ro, Geumcheon-gu, Seoul, Korea)
• Seunggi Jeong(Sae-An Enertech Corporation, 184 Gasan Digital 2-ro, Geumcheon-gu, Seoul, Korea)
• Sunghoon Kim(Sae-An Enertech Corporation, 184 Gasan Digital 2-ro, Geumcheon-gu, Seoul, Korea)
• Kyeongho Han(Sae-An Enertech Corporation, 184 Gasan Digital 2-ro, Geumcheon-gu, Seoul, Korea)
• Jangsoo Seo(Sae-An Enertech Corporation, 184 Gasan Digital 2-ro, Geumcheon-gu, Seoul, Korea)